Science

Bluegrass Middle School Academic Conference15 rounds of 35 multiple-choice questions

Copyright © 2014 Academic Hallmarks

Science Round 1 Page 11 . BiomesTaiga is dominated by ... A. spruces and firs B. aspens and oaks C. junipers and pinyons D. palms and mangroves E. redwoods and sequoias

2 . GuanoGuano, the droppings of bats and sea birds, is rich in ... A. oxygen and lead B. calcium and carbon C. hydrogen and helium D. sodium and magnesium E. phosphorus and nitrogen

3 . DigestionWhich is not part of the digestive system? A. liver B. spleen C. duodenum D. esophagus E. cerebellum

4 . Plant PartsA frond is a ... A. leaf of a fern B. bud of a flower C. needle of a pine D. tuber of a dahlia E. root of a mushroom

5 . Creature ComponentsWhich has a scolex with hooks and suckers to hold onto the host? A. tapeworm B. moray eel C. rattlesnake D. yellow jacket E. sea cucumber

6 . PlanetsWhich has the highest average surface temperature? A. Mars B. Earth C. Venus D. Saturn E. Jupiter

7 . Whoa!Opposing the sliding motion, the force between the floor and a heavy box you are dragging is ... A. stress B. friction C. cohesion D. magnetism E. surface tension

8 . ResultsEmpirical results are obtained by ... A. insight B. deduction C. observation D. voting and consensus E. theoretical speculation

9 . Strange CarrotsMr. Wizard took a carrot from a beaker and tapped it. It broke into thousands of pieces. That carrot could have been submerged in ... A. mercury B. boiling oil C. molten lead D. a strong acid E. liquid nitrogen

1 0 . Seasonal WindsAn etesian is a northerly summer wind of the Mediterranean, especially over the ---- Sea. A. Dead B. Baltic C. Aegean D. Tasman E. Barents

Science Round 1 Page 21 1 . PetrologyAndesite is an extrusive igneous rock that develops from ... A. ooze B. magma C. beach sands D. mineralized hot springs E. decomposed organic matter

1 2 . ErosionThe intensity of abrasion depends on the hardness, mass, and ---- of moving particles. A. toxicity B. velocity C. ductility D. chromaticity E. combustibility

1 3 . CocoonsA cocoon is made by the larva before it ... A. striates B. pupates C. lactates D. ovulates E. salivates

1 4 . Astronomical "What Ifs"Which would be hardest to see from Earth if our planet had no atmosphere? A. novae B. comets C. nebulae D. galaxies E. meteoroids

1 5 . Plant RootsWhich have tap roots? A. beans B. daisies C. grasses D. potatoes E. dandelions

1 6 . Circles Within CirclesA mineralogist normally makes most of his observations in the ... A. ionosphere B. lithosphere C. hydrosphere D. troposphere E. magnetosphere

1 7 . The Solar SystemWhich heavenly body has a diameter equal to about one fourth that of the Earth? A. Moon B. Venus C. Uranus D. Saturn E. Neptune

1 8 . Animal AdaptationsDuring winter months, which creature's heartbeat may slow from its normal rate of eighty beats per minute to just four? A. bison B. red fox C. jackrabbit D. wild turkey E. woodchuck

1 9 . Animal ClassificationsWhich are cold-blooded egg layers? A. alligators B. musk oxen C. wild turkeys D. emperor penguins E. great white sharks

2 0 . RuminantsWhich do not chew cuds? A. yaks and llamas B. goats and sheep C. bison and water buffalo D. baboons and wild boars E. antelope and wildebeest

Science Round 1 Page 32 1 . Chemical ReactionsFermentation is never involved in ... A. pickling B. desalinating water C. making ethyl alcohol D. leavening bread dough E. turning grape juice into wine

2 2 . History of ScienceArchimedes shouted "Eureka" upon his fortuitous discovery of ... A. levers B. gravitation C. evaporation D. displacement E. electromagnetism

2 3 . Get Along Little DoggiesWhich dog does the American Kennel Club not classify in the toy group? A. shih tzu B. rottweiler C. Pekingese D. Pomeranian E. Yorkshire terrier

2 4 . Scientific DatingThe age of ancient materials containing even trace amounts of uranium can be estimated by measuring the ratio of uranium to ... A. iron B. lead C. gold D. carbon E. nitrogen

2 5 . InsectsWhich may live as a nymph for seventeen years underground? A. louse B. cicada C. caddis fly D. dragon fly E. walking stick

2 6 . ScavengersWhich is a scavenger? A. lark B. robin C. turkey D. vulture E. flamingo

2 7 . Comparative BiologyWhich have the least complex body structure of all multi-celled creatures? A. clams B. snails C. urchins D. starfish E. sponges

2 8 . Baby AnimalsThe young of which animal is not a calf? A. elk B. bear C. whale D. cattle E. rhinoceros

2 9 . EcologyFood chains always include autotrophs and heterotrophs, otherwise known as ... A. predators and prey B. producers and consumers C. herbivores and carnivores D. composers and decomposers E. vertebrates and invertebrates

3 0 . CrystalsYou could never find a natural crystal of ... A. salt B. lead C. sugar D. rubber E. carbon

Science Round 1 Page 43 1 . Carnivore CategoriesFelids do not include ... A. tigers B. jaguars C. leopards D. cheetahs E. wolverines

3 2 . Life FormsAn organism with a segmented body covered by an exoskeleton could be a ... A. squid B. sponge C. lamprey D. millipede E. tapeworm

3 3 . Big BirdiesThe huge vulture of the Peruvian Andes and the world's heaviest flying bird of prey is a(n) ... A. hawk B. eagle C. condor D. albatross E. cormorant

3 4 . Creatures of Long AgoWhich extinct creature most closely resembled the modern elephant? A. trilobite B. eohippus C. mastodon D. pterodactyl E. brontosaurus

3 5 . AccelerationAfter one second, an object dropped from a bridge is falling 9.8 meters per second. Its speed is 39.2 m/s after ---- seconds. A. 2 B. 3 C. 4 D. 5 E. 6

Science Round 1 - Answers1. A2. E3. E4. A5. A6. C7. B8. C9. E10. C11. B12. B13. B14. E15. E16. B17. A18. E19. A20. D21. B22. D23. B24. B25. B26. D27. E28. B29. B30. D31. E32. D33. C34. C35. C

Science Round 2 Page 11 . PressureA load exerting a pressure of 1296 pounds per square foot exerts a pressure of how many pounds per square inch? A. 7 B. 9 C. 11 D. 13 E. 15

2 . IslandsWhat do Tahiti and Puerto Rico have that Newfoundland and Ireland lack? A. soil B. coral C. deltas D. whales E. breakers

3 . Nuclear EnergyNuclear fusion reactions occur in ... A. stars B. plants C. lightning D. asteroids E. volcanoes

4 . Life CategoriesAnaerobic organisms are generally ... A. fish B. worms C. bacteria D. arthropods E. evergreens

5 . Animal CharacteristicsA characteristic of albinos is the ... A. lack of skin pigmentation B. ability to live in air or water C. presence of scales on the legs D. development of teeth for gnawing E. ability to change body color to resemble the surroundings

6 . GemstonesWhich is a green precious stone? A. jade B. ruby C. topaz D. garnet E. sapphire

7 . Smoldering SaltsYou sprinkle some table salt into a flame and it burns yellow. What element in this compound produces the yellow color? A. sodium B. oxygen C. chlorine D. nitrogen E. hydrogen

8 . PaleogeologyGeologists believe that a land bridge once connected ... A. Somalia and India B. Siberia and Alaska C. Hawaii and Australia D. Crete and Madagascar E. Ireland and Nova Scotia

9 . Substance CategoriesWater vapor, methane, carbon dioxide, and nitrous oxide are all ... A. mixtures B. incompressible C. greenhouse gases D. atmospheric pollutants E. inflammable hydrocarbons

1 0 . Ocean WaterWhich is not a cause of the continual movement of water in the oceans? A. winds across its surface B. variations in water density C. lunar gravitational attraction D. differences in water temperature E. irregular composition of water molecules

Science Round 2 Page 21 1 . Fields of ScienceCryogenics is the study of ... A. metal alloys B. nuclear fusion C. emotional responses D. atmospheric electricity E. low-temperature phenomena

1 2 . Get a GripTraction depends on ... A. friction B. suction C. injection D. reflection E. compaction

1 3 . InsulationOne inch of which material provides the least-effective sound insulation? A. cork B. wood C. aluminum D. fiberglass E. polystyrene

1 4 . VegetablesWhich is a heavy-leafed perennial garden vegetable? A. chard B. carrot C. squash D. rhubarb E. asparagus

1 5 . Extinct BirdsHumans were not responsible for the extinction of ... A. moas B. dodo birds C. great auks D. pterodactyls E. passenger pigeons

1 6 . Dietary DiversityMost varieties of ---- are herbivores before they become carnivorous adults. A. frogs B. camels C. rabbits D. scorpions E. kangaroos

1 7 . Wind PowerWindmills were widely used in the Netherlands to drain the ... A. fiords B. playas C. bayous D. polders E. moraines

1 8 . Atmospheric PhenomenaWhat can be caused by ice crystals in cirrus clouds? A. fog B. halos C. auroras D. mirages E. lightning

1 9 . AlloysPewter is an alloy widely used in ... A. nuts and bolts B. drills and cutlery C. jet and rocket engines D. mugs and ornamental objects E. bearings and electric motor brushes

2 0 . WavesA tsunami is a ---- wave. A. carrier B. standing C. seismic sea D. gravitational E. compression

Science Round 2 Page 32 1 . Animal MetricsWhich has a maximum speed of about 37 kilometers per hour? A. human B. penguin C. cheetah D. rattlesnake E. peregrine falcon

2 2 . GoldGold can be turned into gold leaf because it is extremely ... A. porous B. viscous C. lustrous D. malleable E. conductive

2 3 . Mineral IdentificationWhich has a violet color? A. ruby B. pyrite C. galena D. amethyst E. turquoise

2 4 . ZoologyInvertebrates include ... A. swans B. shrimp C. salmon D. shrews E. salamanders

2 5 . BeetlesWhat beetle is known for attacking cotton plants? A. firefly B. scarab C. ladybug D. boll weevil E. dung beetle

2 6 . TreesWhich is a conifer? A. yellow pine B. cottonwood C. Bartlett pear D. weeping willow E. saguaro cactus

2 7 . EnginesThe magnitude of driving force depends on exhaust velocity in a ---- engine. A. jet B. fire C. rotary D. diesel E. steam

2 8 . Remote Detection AnalogiesAir is to radar as water is to ... A. sitar B. lahar C. tartar D. molar E. sonar

2 9 . ExperimentationFor the scientist, anything measurable or directly observable is ... A. empirical B. subjective C. extraneous D. naturalistic E. hypothetical

3 0 . Island FormationIslands may form where a rugged coastal area has been submerged, leaving peaks and ridges above sea level. Such islands are most prevalent along the coast of ... A. Maine B. Texas C. Hawaii D. Louisiana E. Mississippi

Science Round 2 Page 43 1 . Prehensile Posterior PartsWhich mammals have prehensile tails? A. shrews B. beavers C. monkeys D. antelope E. porpoises

3 2 . Ocean StreamsThe Guyana Current flows along the eastern coast of ... A. Asia B. Africa C. Australia D. North America E. South America

3 3 . WavesOcean surface waves vary in size from tiny ripples to enormous rogue waves and ... A. swells B. eddies C. breakers D. tsunamis E. whitecaps

3 4 . Chemical CompoundsCalcium carbonate is present in limestone, chalk, and marble. It is also a constituent of ... A. steel and bronze B. glass and plastics C. coal and diamonds D. paper and table salt E. eggshells and pearls

3 5 . Got Rithm?Which is an example of an algorithm? A. a recipe in a cookbook B. the lyrics of a folksong C. the inventory in a warehouse D. a recorded vote in the U.S. Senate E. flow measurements of the Colorado River

Science Round 2 - Answers1. B2. B3. A4. C5. A6. A7. A8. B9. C10. E11. E12. A13. C14. D15. D16. A17. D18. B19. D20. C21. A22. D23. D24. B25. D26. A27. A28. E29. A30. A31. C32. E33. D34. E35. A

Science Round 3 Page 11 . The TroposphereVirga consists of ... A. water B. updrafts C. meteorite fragments D. electrical discharges E. dust, soot, and smoke

2 . ProspectingYou could use a Geiger counter to locate a deposit of ... A. helium B. sodium C. uranium D. aluminum E. chromium

3 . Plant PartsTendrils are on ... A. peas B. beets C. spinach D. pumpkins E. sunflowers

4 . SymmetryWhich organism is asymmetrical? A. amoeba B. starfish C. bacterium D. sea urchin E. earthworm

5 . ElasticityBased on the speed at which these objects return to their original shape after a collision, which is most elastic? A. mud ball B. meatball C. basketball D. billiard ball E. Styrofoam ball

6 . Plant ClassificationWhich are the most biologically complex plants? A. diatoms and lichens B. morels and puffballs C. daffodils and orchids D. redwoods and spruces E. lady ferns and common horsetails

7 . Biological ClassificationWhich are distinguished by their ability to walk on two feet? A. annelids B. hominids C. arachnids D. tracheids E. eurypterids

8 . Planetary OrbitsEarth is closest to the Sun during which month? A. June B. March C. January D. November E. September

9 . Unusual AnimalsWhich is best equipped for climbing trees? A. pika B. ocelot C. nautilus D. manatee E. terrapin

1 0 . Historical ExperimentsAs the story goes, one of Galileo's most famous experiments involved dropping two objects with different masses from the top of the ... A. Sistine Chapel B. Roman Colosseum C. Leaning Tower of Pisa D. Arch of Septimius Severus E. Basilica of St. Francis of Assisi

Science Round 3 Page 21 1 . Plate TectonicsTwo plates are gradually drifting apart at the ... A. Himalayas B. Gobi Desert C. Peru-Chile Trench D. Mid-Atlantic Ridge E. San Andreas Fault

1 2 . MechanicsA wheelbarrow is a complex machine that combines a wheel and axle with a ... A. lever B. pulley C. screw D. wedge E. inclined plane

1 3 . Meteorological MeasuresVisibility is a measure of the ---- of the atmosphere. A. opacity B. alkalinity C. solubility D. viscosity E. elasticity

1 4 . BiologyWhich is most inclusive? A. insects B. millipedes C. arthropods D. crustaceans E. grasshoppers

1 5 . ExcretionWaste products handled by the excretory system consist mainly of ---- compounds. A. iron B. sulfur C. helium D. calcium E. nitrogen

1 6 . ConstellationsWhich are not signs of the zodiac? A. Libra and Scorpio B. Gemini and Cancer C. Virgo and Capricorn D. Pisces and Aquarius E. Cassiopeia and Draco

1 7 . Cute CrittersChipmunks are ... A. omnivores B. carnivores C. frugivores D. herbivores E. insectivores

1 8 . Endangered SpeciesThe fewest number of which birds still survive? A. bald eagles B. sandhill cranes C. California condors D. passenger pigeons E. rufous hummingbirds

1 9 . The AtmosphereLooped curtains, draperies, and horseshoe bands are three varieties of which atmospheric phenomena? A. auroras B. hurricanes C. jet streams D. warm fronts E. cloud formations

2 0 . SkeletonsWhich has an exoskeleton? A. shrimp B. amoeba C. jellyfish D. manta ray E. earthworm

Science Round 3 Page 32 1 . VulcanizationCharles Goodyear's vulcanizing process vastly increased rubber's commercial value by limiting its tendencies to become sticky in hot weather and to lose what property in cold weather? A. opacity B. volatility C. elasticity D. solubility E. penetrability

2 2 . Materials TestingWhen you check to see if an unknown substance can be stretched or bent, you are testing for ... A. texture B. porosity C. plasticity D. buoyancy E. conductivity

2 3 . SymbolsThe symbol for the element with an atomic number of one is the same as the abbreviation for what in meteorology? A. frost B. snow C. cloudy D. humidity E. overcast

2 4 . AccelerationWhen dropped simultaneously from the Eiffel Tower, which object hits the ground first? A. unfurled 10-pound Cuban flag B. 6-inch diameter water balloon C. 4' x 12' sheet of aluminum siding D. January 1979 issue of Mad Magazine E. CD of Harry Belafonte's greatest hits

2 5 . Animal DigestionFor some animals, which is an organ that aids in the mechanical breakdown of their food? A. gill B. keel C. siphon D. gizzard E. proboscis

2 6 . Astronomical MotionThe rotational period of which heavenly body is the same as its orbital period? A. Sun B. Moon C. Uranus D. Mercury E. Halley's Comet

2 7 . Elemental FundamentalsWhich are not on the periodic table? A. chromium, iridium B. alluvium, solarium C. sodium, potassium D. magnesium, lithium E. plutonium, magnesium

2 8 . PendulumsWhich pendulum swings most slowly? A. 2 tons on a 2-inch line B. 5 ounces on a 5-yard line C. 90 pounds on a 90-foot line D. 50 kilograms on a 5-meter line E. 3 decigrams on a 30-millimeter line

2 9 . RootsWhich has a tap root? A. corn B. daisy C. spinach D. dandelion E. bluegrass

3 0 . Disaster ProbabilityIn the next ten years, there is the least probability of a large ... A. flood in Arkansas B. tornado in Oklahoma C. volcanic eruption in Hawaii D. hurricane in South Carolina E. earthquake in North Dakota

Science Round 3 Page 43 1 . Animal ConstellationsWhich animal is not paired with an appropriate constellation? A. wolf - Lupus B. crow - Corvus C. fish - Aquarius D. swan - Cygnus E. scorpion - Scorpius

3 2 . Far VistasYou could see farthest from the top of which mature tree? A. maple B. cypress C. redwood D. eucalyptus E. cottonwood

3 3 . AdaptationsBrine shrimp and algae are the only living organisms in which body of water? A. Lake Erie B. Lake Tahoe C. Crater Lake D. Great Salt Lake E. Lake Okeechobee

3 4 . The AtmosphereWhich is the narrowest atmospheric layer? A. exosphere B. ionosphere C. troposphere D. stratosphere E. thermosphere

3 5 . ExperimentsYou are testing alloys to find which is most resistant to rusting. A dependent variable could be the ... A. moisture in the atmosphere B. initial quantity of each alloy C. amount of rust after a week D. percent of iron in the metals E. temperature of the materials

Science Round 3 - Answers1. A2. C3. A4. A5. D6. C7. B8. C9. B10. C11. D12. A13. A14. C15. E16. E17. A18. C19. A20. A21. C22. C23. D24. B25. D26. B27. B28. C29. D30. E31. C32. C33. D34. C35. C

Science Round 4 Page 11 . Devices in ScienceIn which device would you find an ocular? A. pulley B. telescope C. microphone D. electromagnet E. Geiger counter

2 . Physical PropertiesA banana dipped into liquid nitrogen becomes ... A. porous B. brittle C. malleable D. transparent E. incandescent

3 . Resource ReservesThere are no major reserves of lignite or anthracite in ... A. Utah B. Hawaii C. Montana D. Pennsylvania E. West Virginia

4 . BipedsWhich do not have feathers? A. whirlybirds, jailbirds, ladybirds B. catbirds, cowbirds, snakebirds C. snowbirds, sunbirds, surfbirds D. blackbirds, bluebirds, yellowbirds E. butcherbirds, mockingbirds, hummingbirds

5 . Suspended StonesWhat rock has been found floating as much as 4000 miles from its source? A. jasper B. pumice C. obsidian D. sandstone E. conglomerate

6 . OceanographyWhat kind of charts shows ocean depths? A. altimetric B. perimetric C. gravimetric D. densimetric E. bathymetric

7 . Meteorological MeasurementThe faster the wind speed, the faster the cups spin on a(n) ... A. tachometer B. anemometer C. speedometer D. galvanometer E. magnetometer

8 . SoundWhich sound has the highest pitch? A. a ringing gong B. distant thunder C. the buzzing of a gnat D. the croak of a bullfrog E. an automobile horn honking

9 . Chemical CompoundsWhat is the total number of molecules of water that could be made from 6 atoms of oxygen and 64 atoms of hydrogen? A. 2 B. 4 C. 6 D. 8 E. 10

1 0 . ChangeWhat can be defined as a continuing change of place or position? A. mass B. speed C. force D. motion E. momentum

Science Round 4 Page 21 1 . Scientific EquipmentTiltmeters and seismographs can be used to predict ... A. droughts B. tornadoes C. flash floods D. volcanic eruptions E. meteorite impacts

1 2 . WildlifeWildlife managers recently moved several moose from Wyoming to an area in Colorado, a procedure called ... A. mulching B. predation C. aestivation D. degradation E. transplanting

1 3 . StriationsGlacial striations are caused by ... A. abrasion B. intrusion C. corrosion D. exfoliation E. convection

1 4 . FoundationsA house foundation would have the least tendency to settle if built directly upon ... A. peat B. shale C. topsoil D. bedrock E. permafrost

1 5 . MetalsWhich is an alloy? A. tin B. zinc C. steel D. silver E. tungsten

1 6 . Measurement in Physical ScienceThe volume of a liquid could be measured in ... A. kilowatts B. milliliters C. megahertz D. centigrams E. nanometers

1 7 . WeatheringWhich is not a form of mechanical weathering? A. abrasion B. corrosion C. frost wedging D. hydraulic action E. thermal expansion and contraction

1 8 . Lever LengthA massive 40-pound marmot sits on a teeter-totter 2 feet from the fulcrum. How many feet from the fulcrum must a minuscule 10-pound malamute sit to balance the lever? A. 6 B. 8 C. 10 D. 12 E. 14

1 9 . Fish AnatomyWhich is a longitudinal structure in a fish? A. gill B. eye C. heart D. spine E. mouth

2 0 . PollutionWhich atmospheric pollutant acidifies lakes? A. ozone B. methane C. sulfur dioxide D. carbon monoxide E. chlorofluorocarbons

Science Round 4 Page 32 1 . At Risk AnimalsWhich is not a North American endangered species? A. red wolf B. island gray fox C. whooping crane D. white-tailed deer E. black-footed ferret

2 2 . RocksRocks that permit liquids to move through them are ... A. fused B. organic C. cemented D. permeable E. compacted

2 3 . Weather PhenomenaStorm surges are caused by ... A. sunspots B. inversions C. hurricanes D. high humidity E. clear air turbulence

2 4 . Colorful WatersWhat gives the Red Sea and red tides their color? A. silt B. algae C. blood D. gases E. pollution

2 5 . TopographyFiords, cirques, and moraines were formed by ... A. glaciers B. tidal waves C. earthquakes D. volcanic eruptions E. meteorite impacts

2 6 . EcologyWhich are biodegradable? A. rubber tires B. plastic bags C. paper plates D. glass bottles E. aluminum cans

2 7 . Species SimilaritiesJackals most closely resemble ... A. coyotes B. badgers C. opossums D. wolverines E. porcupines

2 8 . Science SpecialtiesScientists in cryogenics laboratories have frequent use for liquid ... A. iron B. bromine C. crystals D. mercury E. nitrogen

2 9 . PressureA load exerting a pressure of 3744 pounds per square foot exerts a pressure of how many pounds per square inch? A. 26 B. 34 C. 48 D. 60 E. 72

3 0 . Egg LayersWhich does not lay eggs? A. coatimundi B. snowy egret C. duckbill platypus D. American alligator E. giant Galapagos tortoise

Science Round 4 Page 43 1 . Sports ScienceWhich has the greatest air resistance? A. dart B. softball C. horseshoe D. shuttlecock E. hockey puck

3 2 . HabitatsAlaska and Hawaii have no indigenous ... A. ants B. bats C. ducks D. toxic plants E. poisonous snakes

3 3 . Mammalian ReproductionWhich has the shortest gestation period? A. tiger B. zebra C. polar bear D. guinea pig E. rhinoceros

3 4 . Animal FeedingCarnivores do not include ... A. owls and falcons B. seals and dolphins C. hyenas and wolves D. bison and kangaroos E. scorpions and spiders

3 5 . VibrationAs illustrated by the strings of a harp, the tendency of a vibrating object to dissipate its energy over time is called ... A. reaping B. lopping C. warping D. seeping E. damping

Science Round 4 - Answers1. B2. B3. B4. A5. B6. E7. B8. C9. C10. D11. D12. E13. A14. D15. C16. B17. B18. B19. D20. C21. D22. D23. C24. B25. A26. C27. A28. E29. A30. A31. D32. E33. D34. D35. E

Science Round 5 Page 11 . ScienceWhich is inorganic? A. coal B. herbs C. silicon D. viruses E. bacteria

2 . AlloysNo alloy could be made of ... A. silver and gold B. iron and carbon C. copper and zinc D. neon and nitrogen E. aluminum and magnesium

3 . Metric BirdsWhich adult bird has a body weight of about 100 grams? A. white stork B. Canada goose C. American robin D. rufous hummingbird E. ring necked pheasant

4 . Transmission TechnologyBundles of thin glass strands that transmit data are called ---- optics. A. fiber B. string C. thread D. strand E. filament

5 . The HeartApproximately how many times does the heart beat per minute when a person is listening to a lengthy lecture on Lithuanian leech lips? A. 9 B. 21 C. 33 D. 70 E. 98

6 . Measurement InstrumentsWhich measures light intensity? A. pyrometer B. pedometer C. photometer D. psychrometer E. pneumatometer

7 . BoilingThe boiling point of ---- is -297 degrees F. A. silver B. oxygen C. uranium D. mercury E. calcium

8 . GasesWhich is used in advertising signs? A. neon B. ozone C. methane D. hydrogen E. carbon dioxide

9 . Animal VisionWhich has the poorest eyesight? A. mole B. falcon C. cheetah D. barracuda E. chimpanzee

1 0 . Star GazingWhich constellation is named for a bird? A. Leo B. Pisces C. Taurus D. Cygnus E. Scorpius

Science Round 5 Page 21 1 . ResourcesNonrenewable resources ... A. are synthetic B. are all organic C. are exhaustible D. must be imported E. include sunlight and wind

1 2 . SolutionsAt room temperature, which is an example of a liquid-in-liquid solution? A. zinc in copper B. sugar in vinegar C. alcohol in water D. oxygen in nitrogen E. carbon dioxide in crude oil

1 3 . CarbonAlthough commonly called lead, the black material used in pencils is actually a form of carbon called ... A. pyrite B. calcite C. azurite D. granite E. graphite

1 4 . InsectsWhich is a predatory insect? A. aphid B. killer bee C. dung beetle D. praying mantis E. monarch butterfly

1 5 . Storm SpansWhich storm has the greatest longevity? A. squall B. tornado C. blizzard D. hurricane E. thunderstorm

1 6 . EnergyElectromagnetic energy is ... A. elastic B. radiant C. thermal D. chemical E. mechanical

1 7 . BotanyWhich is not a perennial plant? A. radish B. alfalfa C. banana D. saguaro E. goldenrod

1 8 . Echo - Echo - EchoEcho sounders measure ... A. hue B. mass C. depth D. volume E. viscosity

1 9 . PersonalityTo what psychological phenomenon was Sir Thomas Browne referring with these words? There is another man within me that's angry with me. A. memory B. courage C. optimism D. conscience E. imagination

2 0 . PenetrationA five-ounce projectile made of which material shot at 2000 feet per second penetrates least into a block of clay? A. oak B. cork C. lead D. copper E. porcelain

Science Round 5 Page 32 1 . Plant PhysiquesWhich has the most massive stem? A. orchid B. bamboo C. saguaro D. daffodil E. sorghum

2 2 . Molecular MakeupOne molecule of which substance consists of the fewest number of atoms? A. water B. dry ice C. alcohol D. vinegar E. nitrogen

2 3 . OrbitsA combination of gravitation and what other factor determine the orbital path of an object? A. color B. porosity C. resistance D. momentum E. centripetal force

2 4 . Classification SchemesThe scientific method of naming plants and animals is called ---- nomenclature. A. bipedal B. biennial C. binomial D. biometrical E. biochemical

2 5 . PendulumsThe motion of a pendulum results from both gravity and ... A. inertia B. friction C. buoyancy D. magnetism E. compression

2 6 . MatterSubstances that may become gaseous or give off gases when heated are ... A. motile B. tactile C. ductile D. volatile E. contractile

2 7 . Biological VocabularyThe adjective "prehensile" could indicate a(n) ... A. lion's mane B. monkey's tail C. giraffe's neck D. whale's flipper E. elephant's foot

2 8 . Terminal VelocityMr. Zeppelin dropped several objects from a blimp. The object that reached its terminal velocity in the shortest period was a(n) ... A. marble B. javelin C. bowling ball D. water balloon E. ostrich feather

2 9 . Gravitational RelationshipsA hanging plumb bob is ---- to the surface of the oil in a bucket below. A. parallel B. inverted C. diagonal D. horizontal E. perpendicular

3 0 . ClimatesGenerally, the colder the climate, the higher the altitude or ... A. latitude B. aptitude C. longitude D. amplitude E. magnitude

Science Round 5 Page 43 1 . Life on EarthFossils of which organisms are usually found in the oldest strata? A. fish B. reptiles C. mammals D. dinosaurs E. amphibians

3 2 . Scientific ProceduresUltracentrifugation is a research method dependent upon ... A. heating B. spinning C. distilling D. stretching E. evaporating

3 3 . Scientific EquipmentWhich apparatus is used in astronaut training to simulate acceleration in a spacecraft? A. incubator B. centrifuge C. seismometer D. kaleidoscope E. electromagnet

3 4 . Scientific SearchingYou would be most likely to find ... A. fumaroles near glaciers B. moraines beneath calderas C. stalagmites in limestone caverns D. crevasses along tropical beaches E. lava flows around meteorite craters

3 5 . AdaptationsWhich fish can change the color and design of their skin to match the ocean bottom? A. tuna B. perch C. groupers D. flounders E. barracuda

Science Round 5 - Answers1. C2. D3. C4. A5. D6. C7. B8. A9. A10. D11. C12. C13. E14. D15. D16. B17. A18. C19. D20. B21. C22. E23. D24. C25. A26. D27. B28. E29. E30. A31. A32. B33. B34. C35. D

Science Round 6 Page 11 . Mineral IdentificationThe color of the powder left by a mineral when it is rubbed against a hard, rough surface is its ... A. luster B. gleam C. streak D. residue E. afterimage

2 . GeologyWhich indicates the presence of hot, intrusive igneous rock? A. geysers B. alluvium C. aquifers D. stalactites E. artesian wells

3 . DinosaursWhich had horns on its tail and two rows of bony plates projecting from its back? A. diplodocus B. triceratops C. stegosaurus D. brontosaurus E. tyrannosaurus

4 . Free FallWhich has the slowest terminal velocity? A. baseball B. golf ball C. volleyball D. bowling ball E. table tennis ball

5 . Staying UpThe same thing that allows a glider to gain altitude allows ... A. oil to float on water B. hummingbirds to hover C. cannon balls to fly through the air D. hail to be carried upwards in clouds E. submerged balloons to rise to the surface

6 . A Long Time AgoWhat happened 65 million years ago? A. Dinosaurs died out. B. Algae first developed. C. Mastodons became extinct. D. Paleolithic hominids made the first tools. E. Pangaea separated into multiple continents.

7 . Body ChemistryWhich element is least abundant in your body? A. carbon B. oxygen C. calcium D. nitrogen E. magnesium

8 . BirdsLike frigate birds and turkey buzzards, which bird makes the most routine use of dynamic and slope soaring? A. arctic tern B. great albatross C. mourning dove D. blue-winged teal E. rufous hummingbird

9 . ExtinctionWhat was the primary cause of the passenger pigeon's extinction? A. DDT B. hunting C. ozone depletion D. exotic predators E. habitat depletion

1 0 . Animal ClassificationsWhich is venomous? A. leech B. tortoise C. jellyfish D. caterpillar E. dromedary

Science Round 6 Page 21 1 . PaleontologyWhich is a living fossil? A. yeti B. coelacanth C. triceratops D. pterodactyl E. archaeopteryx

1 2 . Severe StormsA destructive tornado might have which designation? A. M1 B. F3 C. G8 D. B12 E. X15

1 3 . IchthyologyBy means of what lines are fish able to detect pressure changes and vibrations? A. plumb B. picket C. lateral D. contour E. spectral

1 4 . HardnessIf you arrange these materials from the softest to the hardest, which one is last on the list? A. shale B. agate C. copper D. pumice E. limestone

1 5 . LensesA crescent moon most closely resembles the shape of which lens? A. plano-convex B. double-convex C. plano-concave D. double-concave E. concavo-convex

1 6 . EquinoxesIn the Northern Hemisphere, what happens during the vernal equinox? A. spring thaw B. dog days of summer C. shedding of tree leaves D. extraordinarily low tides E. extended periods of darkness

1 7 . Scientific ScalesThe Beaufort scale is used to measure ... A. wind force B. wave height C. volcanic heat D. solar radiation E. earthquake intensity

1 8 . GalaxiesGalaxies are classified according to ... A. their age and color B. their relative speed C. their shape or appearance D. their distance from the Sun E. the number of stars they contain

1 9 . Mixture SeparationA process to separate a mixture of sand and salt could involve ... A. filtering and detonation B. freezing and combustion C. bleaching and lubrication D. dissolving and evaporation E. annealing and fermentation

2 0 . OpticsWhat lens causes light rays passing through it to spread out? A. merging B. emerging C. diverging D. converging E. submerging

Science Round 6 Page 32 1 . MatterMatter is divided into the two categories of ... A. solids and liquids B. metals and crystals C. particulates and gases D. solutions and compounds E. mixtures and pure substances

2 2 . LeavesThe leaves on which trees have the greatest longevity? A. oaks B. aspens C. willows D. spruces E. hickories

2 3 . Animal AnatomyWhich has a crop in addition to a gullet, stomach and intestine? A. bird B. fish C. snail D. spider E. amphibian

2 4 . Ecological SuccessionWhich would appear last in a region completely devastated by a fire? A. pines B. shrubs C. lichens D. grasses E. flowering plants

2 5 . Chemical TestsWhat kind of paper is used to test for acids? A. wax B. rice C. crepe D. litmus E. carbon

2 6 . Atmospheric DevelopmentWhat changed Earth's primitive atmosphere from one with no free oxygen to one rich in oxygen? A. evaporation B. diastrophism C. metamorphosis D. photosynthesis E. the hydrologic cycle

2 7 . PaleontologyThe oldest fossils are from the Archaean Eon and are estimated to be several ---- years old. A. thousand B. hundred thousand C. million D. billion E. trillion

2 8 . CoalA bed of coal almost always indicates an ancient ... A. swamp B. seabed C. desert D. volcano E. meteorite impact

2 9 . SedimentationWhen a river empties into a lake, which sediments are slowest to settle? A. silt B. sand C. gravel D. cobbles E. boulders

3 0 . Life FormsWhich organism is autotrophic? A. lice B. scorpions C. flatworms D. brine shrimp E. blue-green algae

Science Round 6 Page 43 1 . StarsWhich star is in Ursa Minor? A. Sirius B. Pollux C. Polaris D. Antares E. Betelgeuse

3 2 . Smalltime BiologyWhich is smallest? A. virus B. amoeba C. frog egg D. red blood cell E. E. coli bacterium

3 3 . Properties of MatterWhich is translucent? A. air B. tin foil C. pure water D. waxed paper E. window glass

3 4 . Mental StatesOne morning, Janet misplaced her term paper, sprained her ankle, lost her kitten, spilled her milk, and ripped her new dress. She is depressed and not ... A. dejected B. delighted C. downcast D. dispirited E. distraught

3 5 . NonmetalsWhich nonmetal is widely used in building materials? A. mica B. marble C. potash D. garnet E. fluorite

Science Round 6 - Answers1. C2. A3. C4. E5. D6. A7. E8. B9. B10. C11. B12. B13. C14. B15. E16. A17. A18. C19. D20. C21. E22. D23. A24. A25. D26. D27. D28. A29. A30. E31. C32. A33. D34. B35. B

Science Round 7 Page 11 . Botanical AdjectivesWhich word means "treelike"? A. quiescent B. inflorescent C. arborescent D. effervescent E. bioluminescent

2 . String PhysicsAs a vibrating string is tightened, its ... A. length becomes shorter B. diameter becomes thicker C. frequency becomes higher D. strands become more soluble E. molecules become more complex

3 . Table MattersThe element, Cu, is used in ... A. wire B. ballast C. fertilizer D. insulation E. optical lenses

4 . BirdsWhich is least related to the others? A. jay B. crow C. raven D. falcon E. magpie

5 . RecyclingWhat is commercially recycled to make tables, benches, carpeting, shoes, and bike racks? A. paper B. glass C. steel D. fabric E. plastic

6 . FruitWhat gives lemons their sharp taste? A. salt B. acid C. alcohol D. ammonia E. chlorophyll

7 . Bird BummersDDT pollution caused the most serious reduction in the population of ... A. kiwis B. emus C. ospreys D. ptarmigan E. sage grouse

8 . WeatheringSystems of cracks that divide rock masses into large blocks are ... A. dikes B. joints C. sheets D. columns E. crevasses

9 . Asexual ReproductionFrom just the roots of a single tree, an entire stand of ---- may eventually develop. A. palms B. aspens C. maples D. spruces E. sequoias

1 0 . Glacial MeltingThe melting rate of a glacier would be increased the most if you sprinkled ---- on its surface. A. coal dust B. quartz sand C. ground newsprint D. fiberglass particles E. shredded aluminum foil

Science Round 7 Page 21 1 . Population GrowthThe greatest increase in the numbers of humans occurred during which century? A. 6th B. 10th C. 14th D. 17th E. 20th

1 2 . Plant DistributionsWhich are most abundant at high latitudes and high altitudes? A. herbs and ferns B. bulrushes and tules C. lichens and mosses D. saguaros and yuccas E. mangroves and palms

1 3 . Asian BotanyThere are no mangrove forests in ... A. India B. Vietnam C. Mongolia D. Bangladesh E. New Guinea

1 4 . Extensive ExcursionsWhich are not noted for lengthy annual migrations? A. fur seals, grey whales B. sea turtles, wildebeests C. wild turkeys, black bears D. bluefin tuna, silver salmon E. whooping cranes, Arctic terns

1 5 . LightA surface painted what color absorbs the greatest range of light wavelengths? A. blue B. green C. white D. black E. silver

1 6 . ProjectilesA 1/2" round projectile made of which material would penetrate deepest into a telephone book when shot from a slingshot? A. ice B. lead C. glass D. carbon E. aluminum

1 7 . ExperimentsAny factor that can affect results of an experiment is called a(n) ... A. facet B. detail C. variable D. element E. component

1 8 . Fabulous FossilsThe archaeopteryx is an ancestor of modern ... A. fish B. birds C. insects D. mammals E. amphibians

1 9 . Scientific MethodWhich statement is a hypothesis? A. Mercury has no satellites. B. Limestone is a sedimentary rock. C. Earthquakes may cause tidal waves. D. The Moon is a fragment of the Earth. E. Lightning never hits the same place twice.

2 0 . GeologyWhat is found in placer deposits? A. salt B. coal C. fossils D. minerals E. petroleum

Science Round 7 Page 32 1 . Geologic DatingArchaeologists could not use radiocarbon dating to estimate the age of ... A. wood B. bones C. shells D. obsidian E. charcoal

2 2 . Planetary SpeedThe speed of a planet orbiting the Sun is ... A. constant B. constantly decelerating C. constantly accelerating D. lowest when it is closest to the Sun E. highest when it is closest to the Sun

2 3 . The Carbon CycleCarbon dioxide in the atmosphere is transformed into organic compounds through ... A. respiration B. combustion C. carbonation D. fossilization E. photosynthesis

2 4 . ZoologyWhich is not a rodent? A. badger B. squirrel C. hamster D. chipmunk E. porcupine

2 5 . EnergyA stick of dynamite or a beaker of nitroglycerin illustrates ---- energy. A. kinetic heat B. kinetic radiant C. potential nuclear D. potential chemical E. kinetic mechanical

2 6 . Fine Finnish FiordsThe fabulous Forssa Fiord in Finland was formed fundamentally by ... A. wind B. glaciers C. ocean waves D. river erosion E. meteorite impacts

2 7 . MineralsWhich is often concentrated as crusts on dry alkali lakes? A. coal B. borax C. sulfur D. quartz E. copper

2 8 . Compass ConfusionA compass may give erroneous readings if you are standing above a deposit of ... A. halite B. azurite C. bauxite D. graphite E. magnetite

2 9 . TreesWhich is not a deciduous tree? A. oak B. cedar C. maple D. beech E. hickory

3 0 . Taxonomic ZoologyA cold-blooded creature that breathes through gills in its youth and through lungs as an adult belongs in which class? A. Aves B. Pisces C. Reptilia D. Amphibia E. Mammalia

Science Round 7 Page 43 1 . Physical PropertiesWhich is opaque? A. alcohol B. nitrogen C. aluminum foil D. motion picture film E. a stained glass window

3 2 . Extinct CreaturesWhich extinct creature was so-named because its teeth resembled those of a living tropical lizard? A. oviraptor B. iguanodon C. triceratops D. spinosaurus E. archaeopteryx

3 3 . CloudsWhich is not a type of cloud? A. cirrus B. discus C. nimbus D. stratus E. cumulus

3 4 . DiffusionDiffusion occurs most slowly with .... A. helium B. alcohol C. mercury D. gasoline E. carbon dioxide

3 5 . TreesLiving mangroves can be seen thriving in ... A. Alaska B. Oregon C. Florida D. Arizona E. Michigan

Science Round 7 - Answers1. C2. C3. A4. D5. E6. B7. C8. B9. B10. A11. E12. C13. C14. C15. D16. B17. C18. B19. D20. D21. D22. E23. E24. A25. D26. B27. B28. E29. B30. D31. C32. B33. B34. C35. C

Science Round 8 Page 11 . Plant ProtectionWhile roses have thorns or prickles to protect them, cacti have ... A. tines B. quills C. spines D. needles E. stingers

2 . GearsA gear with 50 teeth on a shaft spinning at 200 rpm meshes with another gear with 20 teeth. The second gear is spinning at ---- rpm. A. 300 B. 350 C. 400 D. 450 E. 500

3 . Chemical SymbolsWhat word can be made by combining the chemical symbols for the two most common elements in air? A. hi B. no C. cub D. few E. lice

4 . AnatomyThe diaphragm ... A. filters blood B. encloses the brain C. holds the body upright D. causes the lungs to expand E. regulates body temperature

5 . Rock TalkThe term, igneous, was derived from the Latin word, "ignis," which means ... A. fire B. wind C. light D. black E. pressure

6 . Weight GainWhich machine produces artificial gravity? A. dynamo B. cyclotron C. centrifuge D. vacuum pump E. hydraulic press

7 . Ocean CirculationThe direction of an ocean current is determined mainly by ... A. longitude B. prevailing winds C. lunar attraction D. water temperature E. differences in seawater density

8 . MatterWhich line indicates a chemical property? A. It has a greenish hue. B. It boils at 296 degrees. C. It tastes like lemon juice. D. It is very soft and spongy. E. It occupies about 3 cubic yards.

9 . EcologyLions and wolves are ... A. omnivorous B. piscivorous C. herbivorous D. fungivorous E. carnivorous

1 0 . Body RegionsWhich organ is in your thorax? A. liver B. lung C. brain D. kidney E. appendix

Science Round 8 Page 21 1 . PoisonsWhich is the broadest concept? A. biocide B. pesticide C. herbicide D. fungicide E. insecticide

1 2 . LimestoneWhat formed when minerals precipitated in spheroidal cavities in limestone formations? A. veins B. geodes C. stalagmites D. concretions E. manganese nodules

1 3 . Bird LifestylesWhich is nocturnal? A. owl B. dove C. goose D. condor E. starling

1 4 . Character ClassificationWhich screen star is a tailless amphibian of the order Anura and the family Ranidae? A. Bugs B. Nemo C. Kermit D. Pumbaa E. Bullwinkle

1 5 . AgricultureOil seed crops do not include ... A. soybeans B. safflowers C. sunflowers D. cottonseeds E. cauliflowers

1 6 . EnergyWhich does not illustrate the conversion of mechanical energy to thermal energy? A. pounding a spike B. burning gasoline C. striking a match D. rubbing two sticks together E. a bowling ball dropped on a floor

1 7 . RockWhich consists mostly of pebbles and gravel that have become cemented together? A. agate B. granite C. obsidian D. limestone E. conglomerate

1 8 . Meteorological MeasuresIf you see a flash of lightning and then count 20 seconds before you hear the thunder, the lightning struck about ---- miles from you. A. 2 B. 4 C. 6 D. 8 E. 10

1 9 . Scientific CyclesAn eleven-year cycle is associated with ... A. tides B. sunspots C. lunar phases D. Halley's comet E. meteor showers

2 0 . SeedsThe seeds of which plant ripen underground? A. potato B. peanut C. pumpkin D. pineapple E. pomegranate

Science Round 8 Page 32 1 . BirdsWhich are not ducks? A. redhead and wood B. teal and merganser C. pintail and shoveler D. mallard and bufflehead E. whooping and sandhill

2 2 . FloraWhich plants do not thrive in marshlands, swamps, or bogs? A. rushes B. cattails C. sundews D. saguaros E. cranberries

2 3 . AdaptationsWhich is noted for the ability to quickly change its color? A. abalone B. chameleon C. coral snake D. striped bass E. Tasmanian devil

2 4 . Scientific MeasurementWhich device is not used to measure electricity? A. ammeter B. odometer C. ohmmeter D. voltmeter E. wattmeter

2 5 . Doctor-Patient RelationshipsWhat kind of doctor only deals with "patients" that have been dead for millions of years? A. toxicologist B. embryologist C. vulcanologist D. paleontologist E. anesthesiologist

2 6 . Predation ClassificationWhich is not a carnivore? A. mink B. bison C. bobcat D. weasel E. gray fox

2 7 . AeronauticsAn airplane wing rises in the air for the same reason that a ... A. sled glides on ice B. pendulum oscillates C. spinning baseball curves D. helium-filled balloon goes up E. bullet follows a parabolic path

2 8 . Defensive BehaviorWhen attacked, which animal rolls itself up into a ball with its quills sticking out everywhere? A. mole B. shrew C. platypus D. armadillo E. hedgehog

2 9 . Disappearing DinosaursWhat is the least likely theory for the dinosaurs' disappearance 65 million years ago? A. Some kind of disease killed them. B. A massive meteorite struck Earth. C. Mammals became the dominant species. D. Volcanic eruptions blocked out sunlight. E. Radiation and heat from an exploding star cooked the Earth.

3 0 . Likely LocationsWhich is the best place to look for manganese nodules? A. Austrian Alps B. Sahara Desert C. Tibetan Plateau D. Indus River Delta E. Argentine Abyssal Plain

Science Round 8 Page 43 1 . MeteorologyA chinook is a(n) ... A. wind B. cloud C. drizzle D. drought E. inversion

3 2 . AnimalsImpalas are ... A. deer B. seals C. bears D. buffalo E. antelope

3 3 . MomentumThe object with the greatest amount of momentum is a ... A. baseball hit by a bat B. BB shot from a pellet gun C. shell fired from a howitzer D. Sherman tank stuck in the mud E. locomotive picking up passengers

3 4 . DinosaursTwo long pointed horns protruded from the forehead of the ... A. diplodocus B. triceratops C. stegosaurus D. brontosaurus E. tyrannosaurus

3 5 . RockWhich is a mineral and not a rock? A. shale B. basalt C. quartz D. limestone E. conglomerate

Science Round 8 - Answers1. C2. E3. B4. D5. A6. C7. B8. C9. E10. B11. A12. B13. A14. C15. E16. B17. E18. B19. B20. B21. E22. D23. B24. B25. D26. B27. C28. E29. C30. E31. A32. E33. C34. B35. C

Science Round 9 Page 11 . Solar EnergySolar cells typically use which material as the semiconductor? A. lead B. copper C. silicon D. nitrogen E. sulfuric acid

2 . Atmospheric MoistureFog is distinguished from mist only by its ... A. odor B. color C. density D. altitude E. temperature

3 . Scientific JargonA bird standing in an umbra is definitely standing in a(n) ... A. prism B. desert C. shadow D. electric field E. body of water

4 . Animal AnatomySegmentation is characteristic of ... A. eels B. oysters C. amoebas D. centipedes E. salamanders

5 . AnthropomorphismWhich statement illustrates anthropomorphism? A. That cat is really dead. B. That puppy is really happy. C. That boa is really constricted. D. That salamander is really slimy. E. That huge gorilla is really strong.

6 . African SeasonsIn which country does winter not occur during the same time of year? A. Chad B. Libya C. Algeria D. Morocco E. Mozambique

7 . ClimatesIn the U.S., the rainshadow effect is most apparent just east of the ... A. Sierras B. Everglades C. Great Plains D. Great Lakes E. Appalachians

8 . It's a Gas!Which is heavier than air, odorless, colorless, and smothers flames? A. helium B. oxygen C. hydrogen D. acetylene E. carbon dioxide

9 . ElectricityWhich does not typically use DC electricity? A. toaster B. flashlight C. boom box D. digital camera E. motorcycle headlight

1 0 . EvolutionWhich species still survives? A. Homo habilis B. Homo erectus C. Homo sapiens D. Homo heidelbergensis E. Homo neanderthalenis

Science Round 9 Page 21 1 . MineralogyTo determine if an unknown substance is a mineral, which of these questions is not essential? A. Is it solid? B. Is it opaque? C. Is it inorganic? D. Is it formed in nature? E. Does it have a crystalline structure?

1 2 . BonesBones of young children have low ... A. inebriation B. calcification C. nitrification D. vitrification E. fossilization

1 3 . FireWhich can be struck against steel to produce a spark? A. lava B. flint C. shale D. obsidian E. limestone

1 4 . GlaciationBedrock over which a glacier has moved is generally polished and ... A. sandy B. pitted C. grooved D. fractured E. cavernous

1 5 . FruitsWhich are not citrus fruits? A. lemons, limes B. oranges, citrons C. apricots, nectarines D. kumquats, grapefruit E. bergamots, tangerines

1 6 . Vertebrate AnatomyVertebrates never have more than two ... A. molars B. pairs of limbs C. sacral vertebrae D. endocrine glands E. chambers in their hearts

1 7 . Zoological MigrationWhich is a migratory animal that lives in herds? A. lion B. salmon C. caribou D. black bear E. snow goose

1 8 . Poetic GeologyIn the first stanza of "Twinkle Twinkle Little Star," a simile compares a star to a(n) ... A. sliver of silver B. crystal of quartz C. isotope of uranium D. intrusion of copper E. form of pure carbon

1 9 . ScientistsThe success of the Soviet Proton, the European Ariane, and the American Saturn programs can be traced to the work of ... A. Albert Sabin B. Enrico Fermi C. Edmund Halley D. Gregor Mendel E. Robert Goddard

2 0 . New Mexico GeologyCarlsbad Caverns were formed in ... A. basalt B. pumice C. granite D. limestone E. sandstone

Science Round 9 Page 32 1 . CloudsThe flat base of cumulonimbus clouds indicates the altitude at which ... A. the ozone layer exists B. wind shear is taking place C. condensation is occurring D. a cold air mass is warming E. static electricity is concentrated

2 2 . BacteriaWhat kind of bacteria thrive in hot springs? A. zoophilic B. cryophilic C. hemophilic D. photophilic E. thermophilic

2 3 . LightWhich is not a color of the visible spectrum? A. red B. white C. green D. violet E. yellow

2 4 . VegetablesWhich is not a root vegetable? A. okra B. garlic C. shallot D. parsnip E. Jerusalem artichoke

2 5 . MetallurgyWhich consists of a single element? A. steel B. brass C. bronze D. aluminum E. sterling silver

2 6 . AstronomyThe composition of the surface of the Moon is least similar to that of ... A. Mars B. Venus C. Earth D. Saturn E. Mercury

2 7 . The SpectrumIn which choice are the colors of visible light listed in order from high frequency to low frequency? A. violet, blue, green, yellow, orange, red B. red, violet, green, blue, orange, yellow C. green, yellow, violet, orange, red, blue D. yellow, violet, green, blue, red, orange E. orange, red, blue, violet, yellow, green

2 8 . Heavenly PhenomenaWhich can produce a coronal mass ejection? A. Jupiter B. the Sun C. a comet D. an asteroid E. a black hole

2 9 . Industrial ProcessesThe natural properties of which substance can be improved by vulcanizing it? A. silk B. coal C. wood D. glass E. rubber

3 0 . Waste ProductsWaste products excreted by cells contain ---- compounds. A. iron B. uranium C. mercury D. nitrogen E. magnesium

Science Round 9 Page 43 1 . StarsIt is not true that ... A. Spica is a star in Virgo B. Altair is a star in Aquila C. Regulus is a star in Leo D. Polaris is a star in Orion E. Arcturus is a star in Bootes

3 2 . The Rock CycleCooling and crystallization changes ... A. magma to igneous rock B. sand to sedimentary rock C. sedimentary rock to magma D. metamorphic rock to sediments E. igneous rock to metamorphic rock

3 3 . FruitWhich fruit typically has a clingstone? A. peach B. apricot C. avocado D. pineapple E. tangerine

3 4 . Baseball ScienceA hardball thrown horizontally with considerable backspin tends to ... A. rise B. curve left or right C. fly in a straight line D. increase its speed with distance E. drop more quickly than a ball thrown without spin

3 5 . PrismsA prism produces a rainbow from white light by ... A. dispersion B. regression C. percussion D. conversion E. submersion

Science Round 9 - Answers1. C2. C3. C4. D5. B6. E7. A8. E9. A10. C11. B12. B13. B14. C15. C16. B17. C18. E19. E20. D21. C22. E23. B24. A25. D26. D27. A28. B29. E30. D31. D32. A33. A34. A35. A

Science Round 10 Page 11 . Animal ActivityMost ---- are nocturnal. A. owls B. geese C. ravens D. eagles E. finches

2 . Physical PropertiesLatex extends under tension, contracts under compression, and returns to its original size when no force acts on it because of its ... A. ductility B. porosity C. buoyancy D. elasticity E. malleability

3 . AppliancesWhich household appliance is based on the evaporation and condensation of a liquid? A. stove B. toaster C. blender D. microwave E. refrigerator

4 . Geological DisplacementsA displacement along a thrust fault may form a small ... A. cliff B. fiord C. delta D. arroyo E. moraine

5 . Creature ComplexityWhich is most complex? A. spider B. sponge C. starfish D. jellyfish E. earthworm

6 . MovementWhat kind of motion is illustrated by a bobblehead doll, a pendulum, or a weight suspended by a spring? A. linear B. rolling C. circular D. periodic E. rotational

7 . Atmospheric CompositionParticulate matter in the atmosphere does not include ... A. salt B. dust C. soot D. pollen E. nitrogen

8 . Math for the BirdsOne death of which creature lowers its total population by the greatest percentage? A. bald eagle B. turkey vulture C. Canadian goose D. peregrine falcon E. California condor

9 . OrgansWhich is not an organ of your digestive system? A. liver B. bowel C. pancreas D. esophagus E. cerebellum

1 0 . Fish FamiliesWhich species of fish belong to the same family as the brown, golden, and rainbow? A. lake, cutthroat, and brook B. channel, flathead, and blue C. calico, smallmouth, and rock D. basking, tiger, and great white E. yellowfin, skipjack, and albacore

Science Round 10 Page 21 1 . Phish PhysiologyThe lateral line of fish is sensitive to ... A. heat B. bright light C. taste sensations D. pressure changes E. oxygen content in water

1 2 . Life ChemistryWhich is not an essential element for living organisms? A. radium B. sodium C. nitrogen D. hydrogen E. phosphorus

1 3 . Radiation ContemplationLight is different from all other forms of waves because it ... A. is invisible B. transmits matter C. may travel in a vacuum D. can be bent by refraction E. reflects from solid surfaces

1 4 . Better Living through ChemistryCompounds of arsenic are typically used in ... A. fertilizers B. antiseptics C. insecticides D. water softeners E. food preservatives

1 5 . ManufacturingA factory that melts silicates with soda, potash, or lime is making ... A. glass B. paint C. alloys D. plastics E. neoprene

1 6 . PerceptionWhich is least capable of judging distances? A. puma B. snowy owl C. rainbow trout D. mountain gorilla E. pronghorn antelope

1 7 . BiologyHybrids are organisms with ... A. mixed heredity B. binocular vision C. feathers and scales D. a tolerance for salinity E. both animal and plant traits

1 8 . Weather LoreComplete this saying about March. If March comes in like a lion, it goes out like a ... A. dog B. lamb C. duck D. tiger E. groundhog

1 9 . SeasonsDuring what months do Indian summers occur in the Northern Hemisphere? A. June and July B. April and May C. February and March D. December and January E. October and November

2 0 . Puck PhysicsA hockey puck given the same push will travel farthest on which level surface? A. cement sidewalk B. smooth frozen lake C. steel deck of a ship D. wooden basketball court E. freshly-mowed grass fairway

Science Round 10 Page 32 1 . BiomesWhich is not a still-water biome? A. lake B. pond C. creek D. puddle E. reservoir

2 2 . MusclesA football player with a bruised hamstring has an injury in his ... A. back B. neck C. thigh D. chest E. forearm

2 3 . ContrailsAircraft contrails consist of ... A. sound waves B. atmospheric dust C. superheated ozone D. ultraviolet radiation E. condensed water vapor

2 4 . Metric PrefixesWhich metric prefix indicates 10 to the -3 power? A. pico B. giga C. nano D. tera E. milli

2 5 . WildlifeYou are least likely to find which animals in the African savanna? A. gorillas B. impalas C. gazelles D. giraffes E. wildebeest

2 6 . Young and Restless AmphibiansAnother name for a polliwog is a ... A. maggot B. katydid C. wiggler D. tadpole E. cutworm

2 7 . FuelsWhen burned, fossil fuels always give off gases containing oxygen and ... A. carbon B. helium C. chlorine D. nitrogen E. phosphorus

2 8 . ElementsWhich are not metals? A. silver, gold, and platinum B. titanium, mercury, and tin C. cobalt, nickel, and tungsten D. sodium, aluminum, and zinc E. carbon, silicon, and nitrogen

2 9 . FeelingsA lack of emotion, interest, or concern defines ... A. apathy B. empathy C. telepathy D. antipathy E. sympathy

3 0 . FlotationWhich object with a volume of one cubic foot floats on water with the least amount submerged? A. an oak log B. a cork slab C. a foam pillow D. a block of ice E. an inflated balloon

Science Round 10 Page 43 1 . Bird BeaksBeaks adapted to strain small plants and animals from the water are characteristic of ... A. hawks and owls B. ducks and geese C. sparrows and cardinals D. herons and kingfishers E. woodpeckers and flickers

3 2 . Valuable Sedimentary RockWhich is not true? A. Coal is used as a fuel. B. Chert is used in soaps. C. Clay is used in ceramics. D. Gypsum is used in wallboard. E. Limestone is used as a building material.

3 3 . Fine Furry FoodsLemmings are a favorite food of ... A. musk oxen B. snowy owls C. black iguanas D. alpine marmots E. diamondback rattlers

3 4 . ParasitesWhich life form is not parasitic? A. tick B. leech C. starfish D. mistletoe E. tapeworm

3 5 . ShadowsThe shadow of a 6-foot-tall lady cast by a street lamp 10 feet behind her is 12 feet in length. The lamp is ---- feet above the ground. A. 9 B. 10 C. 11 D. 12 E. 13

Science Round 10 - Answers1. A2. D3. E4. A5. A6. D7. E8. E9. E10. A11. D12. A13. C14. C15. A16. C17. A18. B19. E20. B21. C22. C23. E24. E25. A26. D27. A28. E29. A30. E31. B32. B33. B34. C35. C

Science Round 11 Page 11 . Liquid MixturesCarbonation involves charging a liquid with ... A. carbon-14 B. carbonic acid C. carbon dioxide D. carbon monoxide E. carbon tetrachloride

2 . Physical PropertiesWhat property of a substance enables it to recover its original shape and size after it has been stretched, squeezed, or bent? A. density B. opacity C. porosity D. solubility E. elasticity

3 . Artificial LightingThe electric lights used in your home are either fluorescent or ... A. putrescent B. inflorescent C. obsolescent D. effervescent E. incandescent

4 . IchthyologyThe backbone of a fish is best described as a(n) ---- structure. A. lateral B. ventral C. anterior D. transverse E. longitudinal

5 . Animal Track and FieldIf these five animals were in a 100-yard dash, which would win? A. wolf B. zebra C. cheetah D. antelope E. greyhound

6 . DiscriminationIntolerance of someone's creed, beliefs, or opinions is ... A. bigotry B. idolatry C. punditry D. sophistry E. chronometry

7 . Scientific MetaphorsFrom a geological perspective, what are seen as pages in evolutionary history? A. strata B. minerals C. beaches D. meteorites E. earthquakes

8 . Bountiful BonesWhich has the greatest number of vertebrae? A. giraffe B. flamingo C. elephant D. gopher snake E. pronghorn antelope

9 . MetalsAll metals are ... A. brittle B. opaque C. insulators D. radioactive E. solid at room temperature

1 0 . Hope This Doesn't Happen SoonIf a large meteorite plunged into the Atlantic, it would certainly cause a(n) ... A. ice age B. tsunami C. hurricane D. worldwide drought E. magnetic pole reversal

Science Round 11 Page 21 1 . Physical PropertiesWhich is most volatile? A. water B. mercury C. uranium D. gasoline E. table salt

1 2 . FuelsEthanol is commercially produced from ... A. coal B. uranium C. crude oil D. natural gas E. agricultural products

1 3 . ZoologyWhich is not nocturnal? A. bat B. eagle C. hyena D. armadillo E. cockroach

1 4 . Marine ReptilesWhich creatures only leave the water to breed and lay eggs? A. turtles B. iguanas C. alligators D. crocodiles E. anacondas

1 5 . PollutionAcid rain does not cause ... A. retarded tree growth B. deterioration of paint on cars C. runaway algae blooms in lakes D. disintegration of limestone monuments E. accelerated corrosion of bronze statues

1 6 . High TemperaturesA temperature of twenty-seven thousand degrees is typical of ... A. molten lava B. lightning bolts C. turbojet engines D. water in a geyser E. the surface of the Sun

1 7 . Meteorological InstrumentsYou measure air pressure with a ... A. barometer B. anemometer C. hydrometer D. thermometer E. side scan sonar

1 8 . Animal ClassificationsElephants, cows, and caterpillars are ... A. insects B. conifers C. parasites D. herbivores E. invertebrates

1 9 . AnatomyWhat consists of bundles of contractile cells? A. skin B. teeth C. bones D. neurons E. muscles

2 0 . DistillationWhich could not be separated from a water mixture through a distillation process? A. oil B. sugar C. alcohol D. hydrogen E. iron filings

Science Round 11 Page 32 1 . Simple MachinesWhich are not applications of inclined planes? A. nails and spikes B. seesaws and oars C. ladders and stairs D. propellers and screws E. loading ramps and switchback roads

2 2 . FaunaWhich illustrates fauna? A. oaks B. geodes C. metals D. finches E. seaweeds

2 3 . Instrument ComponentsDiaphragms are found in ... A. telescopes B. centrifuges C. compasses D. microphones E. electromagnets

2 4 . Bird BeaksCracker beaks, short thick conical bills for breaking open seed, are characteristic of ... A. hawks and owls B. ducks and geese C. herons and kingfishers D. sparrows and cardinals E. woodpeckers and flickers

2 5 . ZoologyIf Waldo told Zelda that there was an insect crawling up her leg, Zelda would immediately know that it was not a ... A. fly B. beetle C. scorpion D. cockroach E. grasshopper

2 6 . LeversIf you have an eight-foot pry bar and your fulcrum is one foot from a 210-pound boulder, you must apply how many pounds of force to pry it up? A. 20 B. 30 C. 40 D. 50 E. 60

2 7 . RadioactivityJust 1/32nd of a radioactive isotope is still radioactive after 160 days. Its half-life is how many days? A. 18 B. 24 C. 28 D. 32 E. 41

2 8 . BiomesTaiga is a biome most prevalent in ... A. Alaska B. Kansas C. Florida D. New Mexico E. Pennsylvania

2 9 . Extinct CrittersWhich is a protobird? A. trilobite B. triceratops C. stegosaurus D. velociraptor E. archaeopteryx

3 0 . Natural PhenomenaEl Nino is of particular interest to ... A. seismologists B. entomologists C. volcanologists D. meteorologists E. paleontologists

Science Round 11 Page 43 1 . Faster than a Speeding BulletIf Superman is flitting along at 3000 mph, about how many miles does he cover in 7 seconds? A. 3 B. 6 C. 9 D. 12 E. 15

3 2 . Zoological OrientationsWhich spends practically all of its life with its ventral surface oriented upward? A. bat B. halibut C. centipede D. tree sloth E. king cobra

3 3 . Flat-Tailed WildlifeBeavers are ... A. tiny bears B. large rodents C. marine marsupials D. primitive primates E. terrestrial invertebrates

3 4 . SeedsWhich tree has the largest seed? A. apple B. peach C. cherry D. banana E. redwood

3 5 . Everyday ChemistryThe everyday name of sodium bicarbonate is ... A. salt B. aspirin C. vinegar D. baking soda E. battery acid

Science Round 11 - Answers1. C2. E3. E4. E5. C6. A7. A8. D9. B10. B11. D12. E13. B14. A15. C16. B17. A18. D19. E20. D21. B22. D23. D24. D25. C26. B27. D28. A29. E30. D31. B32. D33. B34. B35. D

Science Round 12 Page 11 . Biosphere ProductivityThe greatest amount of organic material for a given area is produced annually in estuaries, reefs, and ... A. tundra B. deserts C. grasslands D. tropical forests E. coniferous forests

2 . LightWhich is an illuminated object? A. a glowworm B. a campfire C. Alpha Centauri D. the planet Venus E. an incandescent light bulb

3 . HerbivoresWhich critter is herbivorous? A. seal B. otter C. walrus D. manatee E. porpoise

4 . RocketsThe Saturn V launch vehicle that propelled the Apollo 11 spacecraft to the Moon had three rocket sections called ... A. limbs B. zones C. stages D. sectors E. components

5 . History of Physical ScienceWho first enunciated a law that explains why a bowling ball on the Bonneville Salt Flats tends to remain in a stationary position? A. Ohm B. Newton C. Roentgen D. Aristotle E. Copernicus

6 . Scientific NotationWhat number is the same as 6.5 times ten to the negative fifth? A. .065 B. .0065 C. .00065 D. .000065 E. .0000065

7 . Special MapsIsoseismic lines on maps are lines of equal ... A. altitude B. temperature C. mean precipitation D. barometric pressure E. earthquake shock intensity

8 . EarthquakesThe amount any point moves from where it was prior to an earthquake is called the ... A. displacement B. disfigurement C. disbursement D. dismantlement E. disembodiment

9 . Physical PropertiesWhich has a vitreous appearance? A. rubber ball B. gold nugget C. glob of mud D. wooden spoon E. crystal goblet

1 0 . Genetic MetaphorsDNA is described as a ... A. roof B. blueprint C. foundation D. building permit E. plumbing system

Science Round 12 Page 21 1 . Astronomical WaxingWhich is becoming more extensive fastest? A. Sun B. universe C. asteroid belt D. solar system E. magnetosphere

1 2 . Heavy MetalAll steels contain ... A. tin B. iron C. lead D. pewter E. aluminum

1 3 . ResourcesWith the mineral comprising New Mexico's White Sands National Monument, you could make ... A. asphalt B. newsprint C. explosives D. plasterboard E. polyurethane

1 4 . VisionIn your eye, the lens focuses light onto the ... A. iris B. pupil C. retina D. cornea E. optic nerve

1 5 . FrictionFriction is greatest between ... A. steel and ice B. copper and glass C. cast iron and zinc D. concrete and rubber E. aluminum and platinum

1 6 . Fine Feathered FriendsWhich birds live in an environment most similar to that of pelicans and shearwaters? A. rheas, kiwis, and ostriches B. condors, osprey, and falcons C. cuckoos, sapsuckers, toucans D. shrikes, starlings, and finches E. cormorants, albatrosses, and petrels

1 7 . TreesConifers do not include ... A. firs B. maples C. junipers D. hemlocks E. redwoods

1 8 . Phase ChangesDistillation involves ... A. liquidation and dehydration B. ventilation and coagulation C. irradiation and oxygenation D. pollinization and germination E. evaporation and condensation

1 9 . WatercoursesMeanders are typically found ... A. along narrow valleys B. just above cascades C. immediately below dams D. where there is little gradient E. at the confluence of two streams

2 0 . MechanicsWhich is propelled by means of an inclined plane wrapped about a cylinder? A. kayak B. rocket C. bicycle D. tugboat E. skateboard

Science Round 12 Page 32 1 . Climate ComparisonsThe same climate found in the Sahara also predominates in ... A. Southeast Asia B. western Europe C. central Australia D. northeastern India E. the upper Amazon basin

2 2 . Antarctic BirdsWhich does not spend any of the year in Antarctica? A. Arctic tern B. emperor penguin C. great horned owl D. wandering albatross E. southern giant petrel

2 3 . Marine MammalsOne characteristic of sea otters is that they ... A. use primitive tools B. forage only at night C. are capable of sailing flight D. bear their young in pouches E. hibernate during the winter months

2 4 . Geological ResourcesIndians made arrowheads of ... A. mica and pyrite B. slate and schist C. pumice and chalk D. chert and obsidian E. conglomerate and graphite

2 5 . Physical PropertiesNo liquid would be described in terms of its ... A. volatility and opacity B. solubility and viscosity C. malleability and elasticity D. compressibility and density E. combustibility and conductivity

2 6 . Big BlowoutsWhich is a volcano that erupted recently? A. Ararat B. Everest C. Olympus D. Pinatubo E. Rushmore

2 7 . Scientific MeasurementScientists use parallax as a method for measuring ... A. geologic time B. atomic energy C. distances to stars D. heat in the Earth's core E. crystalline structures of minerals

2 8 . Free FallWhich object dropped from the Golden Gate bridge requires the longest time to reach its terminal velocity? A. Cheesehead hat B. mature palm frond C. titanium ball bearing D. moth-eaten army blanket E. copy of Scientific American

2 9 . NASA TrainingAstronaut training may involve strapping a trainee into which device that simulates acceleration in a spacecraft? A. dynamo B. cyclotron C. centrifuge D. magnetron E. gyroscope

3 0 . Lunar PhasesThe phase of the Moon just after a new moon is called a ---- crescent. A. wading B. waning C. waving D. waking E. waxing

Science Round 12 Page 43 1 . Measurement in PhysicsWhich is a measurement of velocity? A. 7 hp B. 42 psi C. 28 fps D. 5000 kg E. 80 kcal/kg

3 2 . TreesTrees only a few feet in height but over a century old are found ... A. at timberline B. on coral atolls C. in desert biomes D. near volcanic vents E. growing in alkaline soils

3 3 . Periodic Phenomena"Waning gibbous" is a ... A. lunar phase B. subsiding tide C. decreasing wind D. season between summer and fall E. period between afternoon and night

3 4 . Physical PropertiesWhich has the highest ductility? A. lead B. mica C. sulfur D. garnet E. asbestos

3 5 . Saving SpaceThe volume of a substance cannot be decreased by means of ... A. compaction B. conjunction C. constriction D. compression E. condensation

Science Round 12 - Answers1. D2. D3. D4. C5. B6. D7. E8. A9. E10. B11. B12. B13. D14. C15. D16. E17. B18. E19. D20. D21. C22. C23. A24. D25. C26. D27. C28. C29. C30. E31. C32. A33. A34. A35. B

Science Round 13 Page 11 . ForebearsWho said this? Man is descended from a hairy, tailed quadruped, probably arboreal in its habits. A. John Audubon B. Sigmund Freud C. Charles Darwin D. Luther Burbank E. Johannes Kepler

2 . Agricultural PestsThe boll weevil is a ... A. fly B. beetle C. cricket D. caterpillar E. grasshopper

3 . Organ AnatomyWhich has the greatest length? A. aorta B. trachea C. esophagus D. spinal cord E. small intestine

4 . PulleysBonzo needs a force of 50 pounds to lift a 40 pound object by means of a single pulley system. The efficiency of the machine is ---- percent. A. 65 B. 70 C. 75 D. 80 E. 85

5 . Back to the GrindWhich is least abrasive? A. emery B. pumice C. carbide D. graphite E. diamond

6 . SeawaterTo measure the density of seawater, you must know its pressure, salinity, and ... A. inertia B. opacity C. viscosity D. longitude E. temperature

7 . MechanicsWhich is not a common application involving the simple machine with which it is paired? A. flagpole - pulley B. knife blade - wedge C. bottle opener - lever D. doorknob - wheel and axle E. wheelbarrow - inclined plane

8 . Mother NatureThermoclines are ... A. in lakes B. in lava tubes C. in arid deserts D. on high mountains E. at the bottom of ocean trenches

9 . Earth ScienceStalactites are mostly found ... A. near glaciers B. beneath calderas C. in limestone caverns D. along tropical beaches E. around meteorite craters

1 0 . EcosystemsThe least amount of organic material per given area is produced annually in ... A. coastal zones B. tropical wetlands C. coniferous forests D. deserts and tundra E. grasslands and pastures

Science Round 13 Page 21 1 . Body SystemsProtection against dehydration and ultraviolet light is provided by the ---- system. A. skeletal B. nervous C. digestive D. circulatory E. integumentary

1 2 . Big BlastsA nuclear explosion on the floor of the Atlantic could produce a(n) ... A. atoll B. geyser C. tsunami D. cordillera E. jet stream

1 3 . SeasonsIf someone wishes you "Happy vernal equinox!," what month is it? A. June B. March C. August D. October E. December

1 4 . NutritionAbout how many calories are in a three liter container of water? A. 0 B. 1.5 C. 3 D. 4.5 E. 6

1 5 . LeversA 260-pound nose tackle sitting 4 feet from the center of a teeter-totter exactly balances a 80-pound ballerina sitting how many feet out on the other side of the fulcrum? A. 11 B. 13 C. 15 D. 17 E. 19

1 6 . MineralsThe most common form of ---- consists of long, hollow fibers that are about 25 nanometers in diameter. A. mica B. quartz C. calcium D. graphite E. asbestos

1 7 . Ecological ClassificationOmnivores ... A. are cold-blooded B. are primarily reptiles C. eat both plants and meat D. keep their young in pouches E. live in brackish or salt water

1 8 . National Park WildlifeAbundant in the Serengeti National Park are ... A. koalas B. pandas C. moose D. caribou E. gazelles

1 9 . PressureAn iron cube 8 centimeters on an edge weighs 256 grams. How much pressure, in grams per square centimeter, does it exert? A. 4 B. 8 C. 16 D. 32 E. 64

2 0 . Physical ScienceWhat allows belts to drive wheels, nails to hold in wood, vehicles to stop, and you to walk across a gym floor? A. friction B. buoyancy C. cohesion D. surface tension E. centrifugal force

Science Round 13 Page 32 1 . Industrial ScienceVaporization and condensation are the two processes involved in making ... A. burlap and canvas B. bronze and pewter C. china and porcelain D. gasoline and alcohol E. vinegar and lemonade

2 2 . ZoologyAll bipedal animals ... A. have two horns B. are fork-tongued C. walk on two legs D. reproduce twice annually E. have two-chambered hearts

2 3 . ChemistryRusting is a slow form of ... A. adhesion B. diffusion C. combustion D. amplification E. condensation

2 4 . SatellitesSome astronomers speculate that the two moons orbiting around Mars are captured ... A. stars B. comets C. nebulae D. quasars E. asteroids

2 5 . Scientific SpeculationA hypothetical shortcut through space-time is called a ... A. foxhole B. keyhole C. sinkhole D. blowhole E. wormhole

2 6 . Astronomical LocalesInside the Milky Way, you would not find ... A. Halley's comet B. the asteroid belt C. the Andromeda galaxy D. the constellation Orion E. Europa, Io, Titan, and Phobos

2 7 . TemperaturesFor most liquids, the freezing point is the same as the ---- point. A. dew B. flash C. boiling D. melting E. ignition

2 8 . Shuttle SteeringSteering a space shuttle in orbit required ... A. flaps B. tillers C. rudders D. ailerons E. thrusters

2 9 . LEDsThe minimum number of light-emitting diodes required to display numerals from 0 to 9 is ... A. 3 B. 5 C. 7 D. 9 E. 11

3 0 . Scientific FindsOn the continent where you are least likely to find dinosaur fossils, you would be most likely to find ... A. Hittites B. termites C. satellites D. stalactites E. meteorites

Science Round 13 Page 43 1 . Geological ProcessesAlthough sedimentary strata were laid down horizontally, over time they may be bent, buckled, or slanted through ... A. tilting and folding B. sorting and abrasion C. weathering and erosion D. lithification and petrification E. compaction and cementation

3 2 . State RecordsThe U.S. state that is hit most often by hurricanes is also the one with the greatest annual number of ... A. blizzards B. avalanches C. earthquakes D. lightning strikes E. active volcanoes

3 3 . SkeletonsWhich has an exoskeleton? A. eel B. beetle C. octopus D. porpoise E. rattlesnake

3 4 . Park FloraWhich trees are in Yosemite National Park? A. date palms B. sugar maples C. giant sequoias D. bald cypresses E. black mangroves

3 5 . Flight ForcesWhat tends to retard the movement of an airplane's wing through the air? A. yaw B. lift C. pull D. drag E. pitch

Science Round 13 - Answers1. C2. B3. E4. D5. D6. E7. E8. A9. C10. D11. E12. C13. B14. A15. B16. E17. C18. E19. A20. A21. D22. C23. C24. E25. E26. C27. D28. E29. C30. E31. A32. D33. B34. C35. D

Science Round 14 Page 11 . Light TransmissionWhich is translucent? A. canvas B. cardboard C. cellophane D. aluminum foil E. frosted glass

2 . Scientific MeasurementDecibels are used in measuring the ... A. density of liquids B. loudness of sounds C. luminescence of lights D. strength of magnetic fields E. amount of electrical current

3 . Bird BerthsIn which region is the number of nesting bird species lowest? A. Chile B. Mexico C. Florida D. Venezuela E. Greenland

4 . ZoologyWhich creatures suckle their young? A. sharks B. vultures C. elephants D. tarantulas E. salamanders

5 . ExtinctionWhich were extinct at the end of the Tertiary period? A. bivalves B. sea urchins C. zooplankton D. plesiosaurs E. crocodilians

6 . SensationWhich sensory receptors allow you to feel cold and warmth? A. chemoreceptors B. thermoreceptors C. mechanoreceptors D. vestibular receptors E. electromagnetic receptors

7 . Days and NightsThe length of night equals the length of day on one day in each of what two months? A. October and April B. November and May C. December and June D. August and February E. September and March

8 . Reptilian MotionSome ---- are capable of bipedal locomotion. A. lizards B. turtles C. snakes D. alligators E. crocodiles

9 . The EarthAbout 11% of Earth's surface is covered with ... A. ozone B. seawater C. continents D. igneous rock E. ice caps and glaciers

1 0 . Australian EtymologyThe name for which animal did not originate in an aboriginal language of Australia? A. dingo B. wallaby C. wombat D. capybara E. kookaburra

Science Round 14 Page 21 1 . ArthropodsWhich is a non-pupating insect? A. bee B. moth C. beetle D. butterfly E. grasshopper

1 2 . HearingThe anvil and hammer are two of the three tiny bones of the ear which enable a person to hear. The third bone is the ... A. shoe B. ladle C. plate D. saddle E. stirrup

1 3 . Muscle MassThe pectoral muscles may account for more than 30% of the entire body weight of ... A. fish B. apes C. birds D. frogs E. lizards

1 4 . Physical PropertiesWhich diffuses most readily? A. water B. sugar C. helium D. uranium E. gasoline

1 5 . Extinct CreaturesAn adult member of which extinct creature weighed the least? A. triceratops B. stegosaurus C. brontosaurus D. tyrannosaurus E. archaeopteryx

1 6 . Transmutation CausationHeavier elements may be produced from lighter ones through ... A. fusion B. oxidation C. telekinesis D. fermentation E. photosynthesis

1 7 . Not Oars or Ors but OresLodestone is a magnetic variety of magnetite, an ore containing a high percentage of ... A. tin B. iron C. lead D. nickel E. copper

1 8 . Physical PhenomenaWhich means "to give off bubbles of gas"? A. oxidize B. coalesce C. dissipate D. effervesce E. precipitate

1 9 . SolidsExamples of amorphous solids include glass and ... A. salt B. pitch C. sugar D. quartz E. diamond

2 0 . Chemistry HistoryMedieval scientists who attempted to transmute lead into gold were ... A. alchemists B. biochemists C. geochemists D. microchemists E. electrochemists

Science Round 14 Page 32 1 . Briny BodiesWater with the highest salinity is in the ... A. Dead Sea B. Arctic Ocean C. Bay of Bengal D. Gulf of Mexico E. English Channel

2 2 . ZoologyWhich is not a carnivore? A. oryx B. otter C. dingo D. walrus E. cheetah

2 3 . Animal AnatomyWhich has a proboscis? A. yak B. ostrich C. butterfly D. crocodile E. salamander

2 4 . Earth's InteriorThe only clues to the composition of the inner layers of the Earth come from ... A. astrology B. seismology C. entomology D. paleozoology E. epidemiology

2 5 . EcologyWhich are at the end of every food chain? A. producers B. parasites C. carnivores D. herbivores E. decomposers

2 6 . OriginsPetrogenesis is the study of the origins of ... A. gases B. rocks C. clouds D. ocean waves E. electrical currents

2 7 . Energy TransferPeople standing around a campfire are mainly warmed by ... A. radiation B. conduction C. convection D. evaporation E. condensation

2 8 . Atmospheric SuspensionsWhich is not a type of cloud? A. cirrus B. litmus C. stratus D. nimbus E. cumulus

2 9 . Alternative FuelsPure biodiesel cannot be made from --- oil. A. corn B. olive C. shale D. peanut E. soybean

3 0 . Food ChainsWhich organism comes last in a food chain? A. deer B. grass C. mouse D. vulture E. mountain lion

Science Round 14 Page 43 1 . Resource SourcesThe same kind of valuable, hard, dense material that hippopotamuses and narwhals produce can also be obtained from the ... A. antlers of deer B. shells of barnacles C. tusks of mammoths D. horns of mountain sheep E. fossilized eggs of dinosaurs

3 2 . MatterThe Sun comprises about 99.86 percent of the mass of the entire solar system. Most of the rest is accounted for by ... A. planets B. comets C. meteors D. asteroids E. cosmic rays

3 3 . Free FallWhich object dropped from a bridge takes longest to reach its terminal velocity? A. a Frisbee B. a tee shirt C. a class ring D. a rose petal E. an open umbrella

3 4 . Air MassesA maritime tropical air mass could originate over ... A. Bolivia or Paraguay B. Romania or Bulgaria C. Saudi Arabia or Iran D. Iceland or Greenland E. Tarawa or Tahiti

3 5 . Marine BiologyMollusks usually have ... A. fins B. claws C. shells D. flippers E. antennae

Science Round 14 - Answers1. E2. B3. E4. C5. D6. B7. E8. A9. E10. D11. E12. E13. C14. C15. E16. A17. B18. D19. B20. A21. A22. A23. C24. B25. E26. B27. A28. B29. C30. D31. C32. A33. C34. E35. C

Science Round 15 Page 11 . Heavenly DisquietDisturbances in radio communications and fluctuations in electric power transmission are commonly associated with ... A. eclipses B. equinoxes C. solar flares D. lunar phases E. meteor showers

2 . RockWhich is igneous? A. coal B. chalk C. pumice D. limestone E. conglomerate

3 . Nuclear ReactionsA fusion reaction is probably taking place in the center of the ... A. star Polaris B. moon Europa C. planet Neptune D. asteroid Ceres E. comet Kahoutek

4 . The Ocean BottomLong, very deep, steep valleys on the ocean floor are called ... A. slits B. reefs C. deltas D. furrows E. trenches

5 . Vulcanian IslandsWhich is part of the Ring of Fire? A. Crete B. Iceland C. Sri Lanka D. New Guinea E. Madagascar

6 . Electrical ChargesWhen you rub a plastic strip with cotton, the strip becomes positively charged because the ... A. strip lost electrons to the cotton B. strip got extra protons from the cotton C. charging process created more protons D. friction destroyed electrons on the strip E. strip got extra electrons from the cotton

7 . Marine BiologyRemoras are especially associated with ... A. sharks B. sponges C. sardines D. sea snakes E. sea urchins

8 . SentimentsBeliefs such as a wild bird in the house signals death or rats leaving a ship means it is going to sink are ... A. resolutions B. aspirations C. admonitions D. superstitions E. connotations

9 . Biome ZoologyWhich are least common in taiga? A. hares B. wolves C. caribou D. monkeys E. lemmings

1 0 . StarsThe main factor that determines the life span of a star is ... A. its mass B. its proximity to other stars C. how much carbon it contains D. its distance from the big bang E. its speed through the universe

Science Round 15 Page 21 1 . Plant StemsWhich have the softest, most perishable stems? A. rose, daisy B. chive, basil C. corn, tomato D. cypress, banyan E. saguaro, prickly pear

1 2 . LiquidsA teaspoonful of ---- draws itself into the smallest gravity-distorted sphere when poured onto a smooth surface. A. water B. vinegar C. mercury D. gasoline E. vegetable oil

1 3 . Air MassesPolar continental air masses enter the United States through ... A. Mexico B. Canada C. the tropics D. the Gulf States E. the West Indies

1 4 . HabitatsWhere would you find a periwinkle? A. in a damp cave B. on a deciduous tree C. in a swampy wetland D. on a rocky ocean shore E. beneath the sands of a desert

1 5 . Body PartsThe larynx is at the upper end of the ... A. aorta B. trachea C. jejunum D. carpal tunnel E. Eustachian tube

1 6 . The Solar SystemA distance of nine times around the Earth's equator is approximately equal to the distance from the Earth to ... A. Mars B. Venus C. the Sun D. Mercury E. the Moon

1 7 . The Earth's WaterWhile the greatest percentage of Earth's water is in the oceans, the next greatest percentage is in ... A. lakes B. groundwater C. the atmosphere D. rivers, and streams E. ice caps and glaciers

1 8 . Bread ChemistryBread dough rises because yeast acting on the sugar in the dough produces ... A. air B. ozone C. nitrogen D. free hydrogen E. carbon dioxide

1 9 . Really Going Out to DinnerWhich may turn its stomach inside-out through its mouth and digest food outside its body? A. tick B. squid C. amoeba D. starfish E. earthworm

2 0 . GravityA 98-pound weakling could easily bench press a full-sized locomotive on the ... A. Sun B. Moon C. planet Venus D. asteroid Amor E. star Betelgeuse

Science Round 15 Page 32 1 . Fish DirectionsWhich surface on most fish faces upward? A. dorsal B. lateral C. ventral D. anterior E. posterior

2 2 . Extinct CreaturesIchthyosaurs most closely resembled modern ... A. egrets B. dolphins C. lobsters D. monkeys E. anacondas

2 3 . WaterEven the purest tap water is contaminated with a variety of dissolved substances. Those contaminants can be removed through ... A. aeration B. filtration C. distillation D. electrolysis E. transmutation

2 4 . Special FacilitiesA building containing an optical device for projecting images of celestial bodies onto the inner surface of a hemispherical dome is a ... A. solarium B. vivarium C. terrarium D. sanitarium E. planetarium

2 5 . LightIt is not true that an object that is ... A. red absorbs all colors of light but red B. blue absorbs all colors of light but blue C. black absorbs all colors of light but black D. green absorbs all colors of light but green E. yellow absorbs all colors of light but yellow

2 6 . Bird CategoriesWhich are not migratory birds? A. terns and robins B. mallards and pintails C. wild turkeys and great horned owls D. snow geese and whooping cranes E. hummingbirds and mourning doves

2 7 . Ocean MiningEconomical methods have not yet been developed for mining which natural resource from oceans or ocean basins? A. gold B. petroleum C. magnesium D. natural gas E. mineral salts

2 8 . FreezingWhich has the lowest freezing point? A. water B. alcohol C. oxygen D. mercury E. carbon dioxide

2 9 . PaleontologyMolds of ancient leaves are called ... A. reliefs B. stamps C. ciphers D. screens E. imprints

3 0 . ForcesLift is not provided by ... A. wings of airplanes B. feathers on arrows C. keels of catamarans D. rotors of helicopters E. hydrofoils on motorboats

Science Round 15 Page 43 1 . Homogeneous SolidsMinerals are all ... A. inorganic B. malleable C. radioactive D. transparent E. fluorescent

3 2 . Around and AroundIn contrast to rotation, which is an example of revolution? A. a spiralling football B. a tennis ball with backspin C. the Earth turning on its axis D. an ice skater doing pirouettes E. a seat on a moving ferris wheel

3 3 . WindThe highest velocity winds are associated with ... A. doldrums B. tornadoes C. monsoons D. hurricanes E. trade winds

3 4 . MineralogyWhich mineral is mined primarily in the American Southwest? A. iron B. halite C. sulfur D. quartz E. turquoise

3 5 . Vulcanology VocabularyWhich terms do not relate to volcanoes? A. fiord, cirque, moraine B. lahar, caldera, magma C. fumarole, crater, obsidian D. pahoehoe, pumice, spatter cone E. pyroclastic debris, basalt, cinder cone

Science Round 15 - Answers1. C2. C3. A4. E5. D6. A7. A8. D9. D10. A11. B12. C13. B14. D15. B16. E17. E18. E19. D20. D21. A22. B23. C24. E25. C26. C27. A28. C29. E30. B31. A32. E33. B34. E35. A