1. CN: The Moon

2. What are the two ways the moon moves in space?
The moon rotates on its axis.
1 moon day
The moon revolves around the earth.
1 moon year.

3. Moon Facts 1 moon day = 1 moon year
This causes the same side of the moon to face the earth all the time.

4. The changing relative positions of the moon, Earth, and sun causes the phases of the moon, eclipses, and tides.

5. Phases of the Moon
The different shapes of the moon you see from the earth are phases.

6. Why are there phases?
The phases of the moon you see depends on how much of the sunlit side of the moon faces Earth.

7. Solar Eclipse
Most of the time the moon travels a little above or below the path of the sunlight that shines on earth.

8. Umbra= darkest part of the moon’s shadow = total eclipse
Penumbra= large part of the moon’s shadow = partial eclipse

9. Where you live on earth determines if you see a total eclipse, or partial eclipse. P 623 old book

10. Total Solar Eclipses

11. Umbra = ?

12. Umbra = Total Eclipse

13. Partial Solar Eclipses = ?

14. Partial Solar Eclipses = Penumbra

15. Lunar Eclipse
During a lunar eclipse, Earth blocks sunlight from reaching the moon.
During which phase of the moon can lunar eclipses only happen? P 480 new book

16. During which phase of the moon can lunar eclipses only happen
During which phase of the moon can lunar eclipses only happen?- A Full Moon because the earth is between the moon and the sun

17. Umbra = Total Lunar Eclipse
Unlike a total eclipse, a total lunar eclipse can be seen from anywhere on earth when the moon is visible.
The reddish tint happens because the Earth’s atmosphere bends some sunlight toward the moon.

18. Partial Lunar Eclipse

20. Why there are Tides?

21. Tides: High and Low