NAME ______PERIOD ______

PHASES, ECLIPSES AND TIDES STUDY GUIDE (85)

  1. What keeps the moon in orbit around the earth? ______
  1. Read the table below and answer the question. What date will the next new moon be seen?

Lunar phase / Date
Full moon / August 9
Third or last quarter / August 16
New moon / August 23
  1. What makes it possible for you to see the surface of the moon? Circle one

Moon gives off its own lightearth’s light is reflected on the moonsun’s light is reflected on the moon

  1. What keeps satellites in orbit around earth? ______
  1. Circle the line that has the correct order during a full moon.
  2. earth, moon, sun
  3. sun, earth, moon
  4. sun, moon, earth
  5. moon, earth, sun

  1. Using the picture at the left answer the question below.
  2. What position of the moon could result in a lunar eclipse? ______
  3. What position of the moon could result in a solar eclipse? ______
  4. What position of the moon would show a new moon? ______
  5. What positions of the moon are quarter moons? ______
  6. Put a “C” on the two positions where the crescent moons would be.
  7. Put a “G” on the two positions where the gibbous moons would be.
  1. It takes about ______days for the moon to revolve around the earth.
  1. What phase of the moon is not visible from earth? ______
  1. Which list below shows the moon at a solar eclipse?
  1. Sun, earth, moon
  2. Earth, sun, moon
  3. Sun, moon, earth
  4. Moon, sun, earth

10. The differences in the appearance of the moon over time is due to(pick one)

a. The speed of the moons orbit

b. the position of the moon in its orbit around Earth

c. the rotation of the moon on its axis

11. Which of the diagrams below best shows how the moon’s appearance could have changed during a month? They will all start from the full moon.

a.

b.

c.

12. I am looking at the sky and see a thirdquarter moon. Draw what I saw.

13. Define umbra:

14. Define penumbra:

13. During an eclipse, which shadow would you need to be in to see a total eclipse? ______

14. Label the pictures below with the following words:

Umbra penumbratype of eclipse phase of the moon

15. Define tidal range:

16. Which special tide is shown in the picture below? ______

Use this picture to answer questions 16 – 18.

17. During this tide will there be a large tidal range or a smaller tidal range?

18. During which phases of the moon does this special tide take place?

Use this picture to answer questions 19 – 21.

19. Which special tide is shown in the picture above? ______

20. Will this tide have a large tidal range or a smaller tidal range?

21. During which phases of the moon does this tide take place?

22. What causes tides?

23. How much time passes between a high tide and the next low tide?

6 hours 6 hours 12 minutes and 30 seconds 6 hours and 50 minutes