CRCT Review 1 Earth Science 1 It is

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CRCT Review 1 Earth Science

CRCT Review 1 Earth Science

1. It is about 28 days from one full moon to the next. This

1. It is about 28 days from one full moon to the next. This is because 28 days is about the time it takes for one A. revolution of the Moon around Earth. B. revolution of Earth around the Sun. C. rotation of the Sun. D. rotation of Earth.

2. Which contains the greatest amount of Earth's freshwater? A. groundwater B. oceans and

2. Which contains the greatest amount of Earth's freshwater? A. groundwater B. oceans and seas C. lakes and rivers D. glaciers and polar ice cap

3. London is much farther north than Chicago, yet it is warmer in London

3. London is much farther north than Chicago, yet it is warmer in London in the winter than it is in Chicago. Why is this true? A. Waters around England are warmed by many underwater volcanoes. B. London receives more sunshine in the winter than other places farther south. C. London's climate is affected by warm ocean currents that flow from the south. D. The Sun's rays shine at a higher angle in London than in Chicago.

4. Sunlight is not currently used as a major source of energy. Why not?

4. Sunlight is not currently used as a major source of energy. Why not? A. Not enough sunlight reaches Earth to meet our energy needs. B. Economical ways to capture and store large amounts of solar energy have not been developed. C. Using sunlight for power will keep plants and animals from getting the energy they need. D. Our reserves of gas and oil will last for several hundred years so there is no need to change to solar energy.

5. What characteristics do scientists measure to determine the temperature and composition of stars?

5. What characteristics do scientists measure to determine the temperature and composition of stars? A. the positions of the stars in the galaxy B. the light radiated from the stars C. the proximity of the stars to each other D. the speed at which stars are moving

Which position of the Moon could cause a solar eclipse? A. 1 B. 2

Which position of the Moon could cause a solar eclipse? A. 1 B. 2 C. 3 D. 4

7. Most modern cities obtain their drinking water from A. surface reservoirs. B. rivers

7. Most modern cities obtain their drinking water from A. surface reservoirs. B. rivers and streams. C. underground reservoirs. D. desalinated ocean water.

8. Which is the best indication of an approaching storm? A. a sudden increase

8. Which is the best indication of an approaching storm? A. a sudden increase in wind speed B. a decrease in barometric pressure C. a clearing sky after a cold front passes D. a sudden drop in the humidity

9. In the morning, Mary noticed there was dew on the grass. In the

9. In the morning, Mary noticed there was dew on the grass. In the afternoon, the grass was dry. What most likely happened to the water? A. It went into the ground. B. It went into the air. C. It formed clouds. D. It no longer exists.

10. Extrusive rocks have small grains because they — A. cool quickly. B. harden

10. Extrusive rocks have small grains because they — A. cool quickly. B. harden underground. C. contain rare minerals. D. have a rough mixture.

11. How would the measurable properties of a golf ball change if it were

11. How would the measurable properties of a golf ball change if it were moved from Earth to the Moon? A. It would have the same mass, but a different weight. B. It would have the same weight, but a different mass. C. It would have the same density, but a different mass. D. It would have the same mass, but a different density.

12. A hurricane-type cloud known as the Great Red Spot can be found on

12. A hurricane-type cloud known as the Great Red Spot can be found on which planet? A. Saturn B. Mars C. Uranus D. Jupiter

13. Most water vapor in the atmosphere comes from A. evaporation from oceans. B.

13. Most water vapor in the atmosphere comes from A. evaporation from oceans. B. evaporation from soil. C. transpiration from plants. D. the burning of fossil fuels.

14. Which is a result of the tilt of Earth's axis? A. days B.

14. Which is a result of the tilt of Earth's axis? A. days B. months C. years D. seasons

15. The pictures show different stages in the development of a river valley. Which

15. The pictures show different stages in the development of a river valley. Which picture shows the first stage of development? A. B. C. D.

16. Which natural force creates surface ocean currents? A. gravity B. sunlight C. earthquakes

16. Which natural force creates surface ocean currents? A. gravity B. sunlight C. earthquakes D. wind

17. If you were to watch the stars all night, they would seem to

17. If you were to watch the stars all night, they would seem to A. stay in exactly the same place in the sky. B. move across the sky at night, as the Sun does during the day. C. go in circles around the point straight up from where you are. D. move across the sky at night, in the opposite direction that the Sun moves during the day.

18. Why does the Moon orbit Earth instead of the Sun? A. Gravity depends

18. Why does the Moon orbit Earth instead of the Sun? A. Gravity depends on distance and the Moon is closer to Earth. B. Only large objects orbit around the Sun and the Moon is too small. C. The Moon used to be part of Earth so it must orbit Earth. D. The Moon is moving too fast and cannot change its orbit.

19. Most earthquakes are caused by A. the tilting of Earth's axis. B. underground

19. Most earthquakes are caused by A. the tilting of Earth's axis. B. underground water erosion. C. pressures from within Earth. D. the Moon's gravitational pull.

20. Imagine you are an astronomer who just observed a huge burst of light

20. Imagine you are an astronomer who just observed a huge burst of light from an exploding star. What did you most likely observe? A. a pulsar B. a black hole C. a supernova D. a meteor

 • This landform was probably caused by — • A. high tides. B.

• This landform was probably caused by — • A. high tides. B. wind. C. human activity. D. running water.

 • The diagram shows layers of sedimentary rocks and examples of their fossils.

• The diagram shows layers of sedimentary rocks and examples of their fossils. Which layer contains the oldest fossils? • A. 1 B. 2 C. 3 D. 4

23. Humus, silt, clay, and sand are all parts of — A. soil. B.

23. Humus, silt, clay, and sand are all parts of — A. soil. B. fungi. C. rocks. D. plants.

24. The density is highest in Earth's A. crust. B. upper mantle. C. lower

24. The density is highest in Earth's A. crust. B. upper mantle. C. lower mantle. D. core.

25. When dense, cold air pushes beneath warmer atmospheric air, the lighter, warmer air

25. When dense, cold air pushes beneath warmer atmospheric air, the lighter, warmer air rises. As this air rises into the atmosphere, it cools and some of the water vapor in it condenses. Which of the following will most likely form as this occurs? A. a cloud B. a rainbow C. a sunset D. a tornado