Earth, Moon, and Sun Study Guide ANSWERS

Name: Date: Class: 1 2 3 6 7

Earth, Moon, and Sun Study Guide ANSWERS

Due: Thursday, April 26thSummative Test Date: Friday, April 27th

Seasons

1. How long does it take the Earth to complete one rotation on its axis?24 hours

2. How long does it take the Earth to complete one revolution around the Sun?365 days

3. What is Earth’s tilt (in degrees)? 23.5 degrees

4. During the change of seasons, what direction does the Earth revolve around the Sun? counter - clockwise

5. What is the main cause of the change of seasons? Tilt of the earth as it revolves around the sun.(This causes direct and indirect sunlight. It also causes areas to have longer days and shorter nights.)

6. What would happen to Earth’s seasons if the Earth was not tilted?You would just have one season.

7. Label the seasons in the diagram below for both Northern and Southern Hemisphere.

NORTHERN 1 summer 2 fall 3 winter 4 spring SOUTHERN 1 winter 2 spring 3 summer 4 fall

Moon Phases

8. What causes the phases of the moon? Revolution of the moon around the earth and the reflection of the sun

9. What is the arrangement of the Earth, Moon, and sun when it is a full moon?Straight line, earth in the middle

10. What is the arrangement of the Earth, Moon, and sun when the moon is at first quarter?Right angle

11. What is the arrangement of the Earth, Moon, and sun when the moon is at third quarter?Right angle

12. What is the arrangement of the Earth, Moon, and sun when it is a new moon?Right angle

13. Draw a diagram showing the sun and drawings of all moon phases in the correct order and location. Label each moon phase.

Eclipses

14. Draw and label the parts of a solar eclipse. Use the following terms: sun, moon, Earth, penumbra, umbra

15. Draw and label the parts of a lunar eclipse. Use the following terms: sun, moon, Earth, penumbra, umbra

16. Describe what happens during a total solar eclipse.The new moon blocks sunlight and casts a shadow on the Earth

17. Describe what happens during a total lunar eclipse.The Earth blocks sunlight and casts a shadow on the full moon.

18. What type of eclipse is more common? Lunar eclipse

19. What kind of eclipse is when the moon is eclipsed totally in the penumbra?Partial, lunar eclipse

20. What is the path of a solar eclipse called?Path of Totality