Chem Is Tree Bio Baby! It ’ s not nice to fool Mother Nature! Monkey ’ s Uncle Let ’ s Get Physical Grab Bag Of Goodies 100 200 300 400 500 FINAL JEOPARDY

ChemIs

Tree

Bio Baby!

It’s not nice to

fool Mother Nature!

Monkey’s

Uncle

Let’s Get

Physical

Grab BagOf

Goodies

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FINAL JEOPARDY QUESTION

What would be the pH of an acid, a base, and a neutral substance?

• Acid <7• Base >7• Neutral =7

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A chemical reaction in which the final energy of the products of the reaction is

greater than the initial energy.

Endothermic Reaction


1. Define radioactivity.2. Give an example of one beneficial

use of radioactivity.– Emission of energy– X-rays

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– Ice melting– Sugar Burning

1. Give an example of a physical change in matter. 2. Give an example of a

chemical change in matter.

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– 1 = fusion– 2 = fission

Label each of the following as fission orfusion:1. New elements being formed in the intense heat of stars.2. Power generated in a nuclear submarine’s reactor.

1.What is a biome?

2. Name 3 common biomes.

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1. A biome is a distinct ecological community of plants and animals living together in a particular climate.

2. Arctic Tundra; Deciduous Forest; Desert; coniferous Forest; Tropical Rainforest; Temperate Grassland

1.List all biotic factors that could be found in an ecosystem.

2. Give 3 examples of abiotic factors.

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Energy Pyramid3rd order consumers………… 10 kcal2nd order consumers………..._____ kcal1st order consumers………… 1000 kcalProducers……………………10,000 kcal

How many kcal of energy are available to the organisms at the 2nd order

consumers trophic level?

– 100 kcal

Match the following effects on ecosystems to their possible causes:

a. Acid precipitation 1. Habitat destruction

b. Biomagnification 2. Nitrogen and sulfur oxides

from power plants and cars

c. Global Warming 3. Increased levels of CO2

d. Loss of Biodiversity

4. Chlorofluorocarbons (CFCs)

e. Ozone Thinning 5. Ingestion of pollutants by

Organisms at the bottom of the food chain

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Done

Limiting factors keep population from growing forever. In which of the following situations does the population decline because

of a density-independent limiting factor? 1.About 10,000 sea lions live on a an island in the

Arctic Ocean. Most of them die when a volcano erupts.

2. A herd of antelope lives on a prairie between two mountain ranges. As the population continues to grow, many antelope die from starvation.


Contrast prokaryotic cells and eukaryotic cells.

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Prokaryotes: no nucleus, circular chromosomes

1. Prokaryotes: no nucleus, circular chromosomes, no organelles

2. Eukaryotes: nucleus, multiple chromosomes and string like, various organelles

Explain how the body plan of the sea anemone shows radial symmetry and the body plan of the toad shows bilateral symmetry.

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1. Radial symmetry: body parts originates from a central point

2. Bilateral symmetry: body can be divided in half, each half is a mirror image of the other half.

1.What are the 6 most common chemical elements found in cell?

2. What is the source of new cells?3.Are viruses cell? Why or why not?

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1. Carbon, hydrogen, oxygen, nitrogen phosphorus and sulfur

2. All new cells come from existing cells.

3. No: No membrane/cytoplasm, no organelles, can not reproduce on its own.

Match each process with its example:1. Homeostasis A. Kidneys filter nitrogen

from cells.

2. Energy transfer B. Amino acids link to form proteins.

3. Transportation of molecules.

C. Light energy is converted to chemical energy in glucose.

4. Disposal of waste D. Water moves through cell membranes.

5. Synthesis of new molecules

E. A dog pants after a long run.


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Mitosis or meiosis?

1. Haploid daughter cells2. Daughter cells are identical to parent3. Homologous chromosomes form pairs4. Two consecutive cell divisions5. Results in cell growth or repair6. Produces genetic variation.

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- Meiosis

- Meiosis

- Meiosis

- Meiosis

- Mitosis

- Mitosis

Natural SelectionSuppose a population of small lizards lives on an island of black volcanic rock. The lizards range in color form light gray to dark gray. As birds of prey feed on the lizards, they choose the light gray ones far more often than the dark gray ones. What will most likely happen to the skin color trait in this lizard population over many generations.


The dark gray lizards are better adapted for survival. Over time, numbers will most likely increase while the number of lighter lizards will decrease. The accumulation of favorable variations in a population illustrates natural selection.

Describe two ways of estimating geologic time.

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1. Radiometric Dating – a technique based on the half-lives of radio-active isotopes that is used to determine the age or materials.

2. Fossils – remains or traces of prehistoric organisms that are often formed when cell structures of buried organisms are replaced by minerals.

3. Rock Sequencing – analyzing the order of rock strata to estimate their relative ages; Rocks lower in the order tend to be older than those near the top.

Which idea is NOT one of the main points of Darwin’s theory of evolution by natural

selection?

a.Overproduction of offspring is common in nature.b.Organisms within a population must compete to

survive.c. Variations in population are the result of random

mutations.d.Organisms with favorable adaptations have a

better chance of surviving to reproduce.


Darwin recognized variations in populations. However, he was unable to explain the reason for variations since he had no knowledge of mutations or other genetic processes.

A.Explain the theory of plate tectonics.B. What are some events that change the Earth’s surface.C. Explain continental drift.


A. A the plates that make up the Earth’s surface shift, they can cause the Earth’s surface to change.

B. Earthquakes, volcanoes, mountain creation, and sea floor spreading are examples of events that change the Earth’s surface.

C. Scientists believe that 200 million years ago, Earth’s continents were joined together, forming a super-continent called Pangaea. As the tectonic plates under the continents shifted, Pangaea broke up, and the continents moved apart.

1.What is the Big Bang theory?

2.What evidence exists to support this theory?

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1. The universe began from a small, dense collection of matter, and it has been expanding ever since.

2. Isotopes of hydrogen, helium, and lithium are abundant in the universe; Edwin Hubble observed universal expansion; scientists discovered that Earth receives microwave radiation from all directions.

Describe how force, acceleration, and mass relate in the action of kicking a soccer ball.

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F = ma (Newton’s second law of motion)

Force applied to the mass results in acceleration. The greater the force applied to a given mass, the greater the acceleration will be. Therefore, if you kick the soccer ball (mass) with more force, it will speed up faster.

Give two examples of conserving energy resources.

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• Recycling

• Buying fuel-efficient automobiles

• Riding a bike instead of driving

• Insulating building.

Conduction, convection, or radiation?A.The metal handle of a pot on the stove

becomes hot.B. You warm yourself by a campfire.C. Warm air at the Earth’s equator rises; cold

air at its poles sinks.D.Medical x-rays are used to produce images

of the body.E.An air mass touches the ocean surface that

is part of a warm ocean current. The air heats up and rises. Cooler air moves in to take its place.


Conduction

Radiation

Convection

Radiation

Conduction and convection

1.How does electric current flow?2.Explain what makes some materials

conductors of electricity and other materials insulators.

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1. Electric current flows when electrons move freely.

2. Materials with loosely held electrons are conductors of electricity (like copper).

Materials with electrons tightly bound to their atoms are insulators. (like clay and rubber)

1.What is Newton’s law of universal gravitation?2. Compare your weight (the force of gravity)

on the surface of the Earth to your weight on the surface of the moon.

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1. Between any two objects in the universe there is gravity that is proportional to the masses of the objects and inversely proportional to the square of the distance between them. The more massive two objects are, the greater the force between them will be, and the farther apart they are, the less the force will be.

2. Your weight on the moon will be about 1/6th of your weight on Earth.

Organize the following steps to scientifically solve a problem.

1.Develop a hypothesis.2. Ask a question based on observations.3.Draw conclusions.4.Test hypothesis.5.Plan test with materials and methods.6.Do background research.7.Report findings.8.Record and analyze data.


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Is each event below an observation or inference?

1.When baking soda and vinegar are combined, the mixture foams.

2.A chemical reaction must be taking place when baking soda and vinegar are combined.

3.The ducks arrived at the Wilson’s pond two weeks earlier this spring than last spring.

4.The leaves are falling earlier since the weather has been so cold.

5.The dog must have frightened the rabbit. It ran into a bush.

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observation


inference

observation

inference

inference

List three causes of weather.

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1. Solar energy – heats air and land

2. Elevation – temperature falls with increased elevation

3. Nearness to large bodies of water – humidity and temperature are effected

4. Temperature – determines how much water vapor air can hold

5. Air pressure- produces wind and air mass patterns

How do science and invention affect one another?

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Invention uses known scientific principles to make something work better or create a new tool. Example: the discovery of electromagnetic waves led to the invention of radio, television and x-ray machines.

Using new tools (inventions) allow scientists to determine unknown scientific principles and new information. Example: The Hubble Space Telescope allows scientists to learn more about the solar system.

1.How do stars produce energy?

2.How are stars responsible for the creation of elements?


1. The intense heat inside a star causes the hydrogen protons to move so rapidly that they join together, or fuse. This process, fusion, is a nuclear reaction that creates energy. The star starts to glow.

2. Ongoing fusion of protons in starts results in many different proton combinations. Each different combination of protons is an element. After millions of years some stars explode, releasing many elements into space. Those elements may form into new stars.

1.What is the “greenhouse effect” and why is it important?

2.How is the theory of global warming related to this effect? What human activities might contribute to global warming?


1. Carbon dioxide and other gases in the atmosphere prevent the sun’s heat energy from radiating back into space from Earth.

2. The burning of fossil fuels increases the carbon dioxide (CO2) in the atmosphere. Because CO2 absorbs heat, the atmosphere may become warmer. Humans contribute to CO2 levels by burning gasoline and heating homes with fossil fuels.

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Chem Is Tree Bio Baby! It ’ s not nice to fool Mother Nature! Monkey ’ s Uncle Let ’ s Get Physical Grab Bag Of Goodies 100 200 300 400 500 FINAL JEOPARDY