The Moon

2. the Moon takes 27.3 days to spin on its axis
3. high tides are lower and low tides are higher
9. phases in which less of the Moon’s near side is lit each night
12. high tides are higher, low tides are lower
13. When the Moon’s shadow appears on Earth’s surface
15. when the Moon’s near side is completely lit
16. phase of the Moon during a solar eclipse
17. the central, darker part of the shadow where light is totally blocked
19. the lighter part of a shadow where light is partially blocked
21. shortly after Earth formed, an object about the size of the planet Mars crashed into Earth to form the Moon
22. when the Moon’s near side is completely dark
23. this solar eclipse is seen from the umbra
24. causes the Moon to move in orbit around the Earth

1. occurs when the Moon moves into Earth’s shadow
2. the Moon takes 27.3 days to orbit the Earth
4. The light-colored areas on the Moon
5. bulge happens because the strength of the Moon’s gravity is a little stronger on the side of Earth closer to the Moon
6. phases in which more of the Moon’s near side is lit each night
7. when the western half of the Moon is lit
8. The daily rise and fall of sea level is called a tide
10. this solar eclipse is seen from the penumbra
11. when the easter half of the Moon is lit
14. depressions formed when objects from space, such as large rocks, crashed into the Moon
15. phase of the Moon during a lunar eclipse
18. The lit part of the Moon or a planet that can be seen from Earth
20. The large, dark, flat areas on the Moon