12. Why do we have day and night?
A Because the earth revolves around the sun.
C. Because the earth tilts on its axis
B. Because the earth rotates on its axis. D. Options A and C

13. As the globe rotates, only half of it receives light so this side is bright Places on this area experiences what time of the day?
A daytime
B. night time
C. dawn
D. midnight

14. When the other side of the earth is away from the sun, this side does not receive light so it is dark. What time on this side of the Earth?
A. daytime
B. night time
C. dawn
D. midnight

15. As seen from the North Pole in what direction does the Earth rotates.
A. clockwise
C. sideward
B. counter clockwise
D. backward

16. How many times does the earth rotate on its axis in one year?
A. 24 times
B. 48 times
C. 365.25 times
D. 12 times

17. Why does the moon appear to move across the sky during the night?
A. It travels around Earth every day. B. Earth rotates on its axis.
C. It is extremely far away.
D. All objects in space are moving

18. The earth's is an imaginary line that goes from the North Pole to the South Pole.
B. longitude
C. orbit
D. equator
A. axis

19. The portion of the earth facing the sun experiences__________while the other half away from the sun experiences_
A. day, night
C. night, dawn
B. night, day
D. night, day

20. The Earth is tilted on its axis as shown in the picture on the right. What would change if the Earth's axis was not tilted but straight up and down like in the picture at the left?
A. The Earth would not have seasons.
B. The Earth would stop orbiting the sun.
C. At the equator there would be 24 hours of daylight.
D. The daytime temperature at the North Pole would be the same as the equator.​