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7th Grade Science EOC Review

A. Warm FrontB. Cold FrontC. High-Pressure SystemD. Low-Pressure System

1. Clear skies and gentle breezes occur during __________________________.

A.Warm FrontB.Stationary FrontC.High-Pressure SystemD.Low-Pressure System

4. Cloudy skies and strong winds occur during _____________________.

A. WeatherB. EvaporationC. ClimateD. Condensation

5. 6” of rain falling in one rain storm is an example of ________________.

A.WeatherB.EvaporationC.ClimateD.Condensation

6. Increased average temperature over a decade is an example of ___________.

A.373 km3

B.113 km3

C.413 km3

D.468 km3

7. What is the total precipitation over land?

A.413 km3

B.486 km3

C.113 km3

D.73 km3

8. What is the total evaporation?

A.RadiationB.ConductionC.Convection

9. Which process is shown in the arrows in the picture?

A. Increasing densityB.Decreasing density

10. Explain what is happening to the air in the blue arrows.

A.3B.5C.2D.11

12. How many drier than usual areas are their in the summer during an El Niñ0 year?

A. Jun – SepB.Apr-JunC.Oct- AprD.Nov - Apr

13. When is it wetter than normal in South Africa during La Niña?

A. JanB.FebC.AugD.Dec

14. Which month has the lowest precipitation?

A. JulB.AugC.SepD.May

16. Which month has the highest temperature?

A. Clear and gentle breezesB. Strong winds and stormsC. Steady rainD. Hot and no wind

17. What kind of weather is expected in Oklahoma today?

18. What kind of weather is expected in Idaho today? A. Clear and gentle breezesB. Strong winds and stormsC. Steady rainD. Hot and no wind

Swirling winds that are full of ice and debris

Warm and cold air masses that move side to side

Violently rotating masses of warm and cold air

What is a tornado?

Transpiration occurs in plants, evaporation occurs in the atmosphere

Transpiration occurs in the atmosphere, evaporation occurs in plants

Transpiration vs. Evaporation

Warm FrontCold FrontClear SkiesWarm temperatures

When a cold air mass pushes a warm air mass you get

A.AccelerationB.MotionC.SpeedD.Distance

22. A change in distance over time is called _____________________.

A train is traveling across the country. Time periods 4-8 indicate the second day of the trip. What happened on that day?

Time increased but distance did not increase

Time increased but distance decreased

Time stayed the same but distance increase

A.Velocity over timeB.Direction over timeC.Position over timeD.Distance over time

23. Motion is a change in ____________.

A.WorkB.ForceC.AccelerationD.Velocity

24. A push or a pull

A.UnbalancedB.BalancedC.MovedD.Changed

25. To have a motion, forces must be __________.

A.Newton’s First LawB.Newton’s Second LawC.Newton’s Third Law

26. A ball sitting and not moving until someone applies a force (kick) is an example of __________________.

A.Contact ForceB.GravityC.FrictionD.Centripetal Force

27. ______________ is the force exerted between two objects because of their mass.

A.Newton’s First LawB.Newton’s Second LawC.Newton’s Third Law

28. When you push on your skating partner and you roll back, it is an example of ____________.

A.Newton’s First LawB.Newton’s Second LawC.Newton’s Third Law

29. If a ball rolls further when you push it harder, it is an example of ___________.

A.VelocityB.AccelerationC.PositionD.All the above

30. If you turn the corner, you are changing your ___________.

A.MotionB.AccelerationC.DirectionD.Velocity

31. Speed and Direction is called _______________.

A.MotionB.AccelerationC.DirectionD.Velocity

32. A change in velocity over time.

A.Decrease, increaseB.Decrease, decreaseC. Increase, increaseD.Increase, decrease

33. To slow down an object, we could either _____________ the force, or _____________ the mass.

A.Decrease, increaseB.Decrease, decreaseC. Increase, increaseD.Increase, decrease

34. To speed an object up we could either ________________ the force or ___________the mass.

A.Force X distanceB.Time X distanceC.Speed distanceD.Distance Time

35. The formula to find the speed of an object is ______________.

Albert EinsteinIsaac NewtonMaxwell Clark

Who Wrote the Laws of Motion?

Fall straight down on your bottom due to gravity only

Fall backward on your back due to inertia and gravity

Fall forward on your stomach due to inertia and gravity

Your are running down the hall and you trip. Will you…

A. Increasing force neededB.Changing direction of force

neededC.Decreasing force neededD.Both B & C

40. A simple machine can make work easier by ____________.

A. IncreasesB.DecreasesC.ChangesD.Does not change

41. A simple machine __________ the amount of work done.

Increasing the force usedDecreasing the force usedShortening the time it takes to do the job

A screwdriver makes work easier by

Shorten the length of the planeMake the plane tallerIncrease the length of the plane

To increase the mechanical advantage of an inclined plane you would

A. Planets, Galaxies, Solar Systems, UniverseB. Planets, Solar Systems, Galaxies, UniverseC. Solar Systems, Galaxies, Universe, PlanetsD. Galaxies, Solar Systems, Universe, Planets

42. What is the proper arrangement of the universe?

A.RevolutionB.OrbitC.RotationD.Light Year

43. This word means spinning on its axis.

A.RevolutionB.EclipseC.RotationD.Light Year

44. This word means an object going around another object.

A.Time to revolve around the sun

B.Time to orbit the EarthC.Time for Earth to rotate

onceD.Time for Earth to revolve

once

45. This determines the length of a day.

A.Astronomical UnitB.Light YearC.RevolutionD.Rotation

46. This is used to measure distances inside the solar systems.

A.Astronomical UnitB.Light YearC.RevolutionD.Rotation

47. This is used to measure distances outside the solar system.

A.1 A.U.B.1 Light YearC.93,000 milesD.1,000 miles

48. The distance from Earth to the Sun.

A.Asteroids and cometsB.Comets and meteoritesC.Moons and dwarf planets

51. These both have tails and orbit the sun.

A.RotationB.RevolutionC.OrbitD.Ellipse

52. Movement that gives night and day.

A.RotationB.RevolutionC.OrbitD.Ellipse

53. Movement that gives us our year.

A. IncreasesB.DecreasesC.Stays the same

54. As a planet gets closer to the sun, its revolution time ________________.

A. IncreasesB.DecreasesC.Stays the same

55. As a planet gets further from the sun, its rotation time ______________.

A. Distance of the Earth from the Sun

B. Tilt of the Earth and revolution around the Sun

C. Tilt of the Earth and rotation of the Earth

D. Distance of Earth from the Sun and Tilt of the Earth

56. The seasons are caused by _____.

There would no seasonal changesThere would still be four seasonsThere would only be 2 seasons

If Earth were not tilted

A.FullB.NewC.1st QuarterD.3rd Quarter

58. A line up of Sun, Moon, Earth would produce a ______________ moon.

A.FullB.NewC.1st QuarterD.3rd Quarter

59. A line up of Sun, Earth, Moon would produce a _____________ moon.

Black- we can’t see anything because the Earth is in the way

Red- Earth’s atmosphere scatters the blues and indigoes and lets the reds and oranges reflect off the Moon

Blue- the blues and indigos reflect off the Moon and Earth’s atmosphere scatters the reds and oranges

What would be the appearance of a lunar eclipse?

They are too smallThey are not spherericalThey orbit with a group of objects just like

themselves

Why aren’t Eris and Makemake considered true planets?

The Moon has no gravityThe Moon has 1/6 the gravity of Earth so

anything would weigh lessEarth has less gravity than the Moon so

everything weighs less on the Moon

Why would a rock weigh less on the Moon than it would on Earth?

It is a terrestrial planetIt is the correct distance from the Sun for

water to be liquidIt has a metal core

Earth supports life because

A. Longer wavelengthB. Shorter wavelengthC. Doesn’t matter, they’re all

dangerous (except maybe radio waves)

61. Waves become dangerous to humans when they are ________________.

A.ReflectedB.RefractedC.AbsorbedD.Reflected, Refracted, or

Absorbed

62. Light can be ______________.

A. Reflect lightB. Absorb LightC. Refract light

63. Mirrors __________________.

A.Converge = come togetherB.Diverge = spread outC.Continue in a straight line

64. Convex mirrors cause light to _______________.

A.Converge = come togetherB.Diverge = spread outC.Continue in a straight line

65. Concave mirrors cause light to ____________.

A.Larger and right-side upB.Smaller and upside downC.Same size and right side upD.Same size and upside down

66. When seen up close in a concave mirror, an image will appear _________________.

A.Larger and right-side upB.Smaller and right-side upC.Same size and right side upD.Same size and upside down

67. When seen in a convex mirror, an image will appear __________.

A.ReflectB.RefractC.Absorb

68. Lenses ______________ light.

A.Converge = come togetherB.Diverge = spread outC.Continue in a straight line

69. Concave lenses cause light to ___________________.

Make the image look largerMake the image look smaller

Concave lenses

It reflects It refractsIt is absorbed

When light enters a new medium

TransverseLongitudinalElectro-magnetic

When you throw a rock into a pond the energy spreads out in all directions because it is a ________ wave

Bone cancerBrain cancerSkin Cancer

Ultra-Violet Rays (UV) can cause

EM waves do not need a medium to travelEM waves bounce from molecule to molecule

Why are electro-magnetic waves (EM) such as the light from stars, visible from great distances?

Cold because cold air molecules move fasterWarm because warm air molecules move

fasterCold because cold air molecules move slower

Your voice moves faster when it is _____

White because it absorbs all EM wavesBlack because it absorbs all EM wavesWhite because it reflects all EM wavesBlack because it reflects all EM waves

Which piece of paper, black or white, will absorb the most heat?

Radio wavesMicrowavesInfrared waves UV rays

What type of EM wave do we use in cell phones?

A. IVB.DVC.ConstantsD.Testable Question

70. The thing that you choose to put into an experiment.

Quantitative observationsQualitative observations

Observations that include using your 5 senses

A. I think the sky is blue.B. If the car has bigger wheels, then it

will go farther, because they can cover more ground.

C. If the cat is tired, then the dog will be tired too, because they played together.

D. I think oranges are orange.

71. Which of the following is a good hypothesis?

A. Why is the sky blue?B. What happens to the color of the sky as the

angle of the sun changes?C. What is your favorite season?

72. Which of the following is a good testable question?

A.Line GraphB.Bar GraphC.Scatter-Plot

73. Which type of graph is best for displaying information in separate categories?

A.Line GraphB.Bar GraphC.Scatter-PlotD.Pie Chart

74. Which type of graph is best for displaying continuous data, like time?

A.All valuesB.The medianC.The averageD.The odd number trials

75. When plotting data, you always graph _________________.

A.ConstantsB.VariablesC.TrialsD.Data

76. Items that stay the same in an experiment are called ________________

A.X, IndependentB.X, DependentC.Y, IndependentD.Y, Dependent

77. __________ axis is on the left of a graph and has the __________ variable.

A.X, IndependentB.X, DependentC.Y, IndependentD.Y, Dependent

78. _________ axis is on the bottom and has the __________ variable.

A. If, then statementB.ConstantsC. IV and DVD.Bubble gum lab

79. Good titles include the following:

A.ThermometerB.Graduated CylinderC.BeakerD.Triple-Beam Balance

80. This tool measures mass (g)

A.Mirrors that reflect lightB.Telescope that use the EM

SpectrumC.Telescopes that use visible

lightD.Telescopes that use infrared

82. Which of these has given us the most information about our universe?

A. IVB.DVC.ConstantsD.Velocity

84. What you measure in an experiment; the outcome.