do your best!!. a. warm front b. cold front c. high-pressure system d. low-pressure system
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Do Your Best!!
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.
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