The Moon

3. Occurs when the Moon moves into Earth's shadow
4. Occurs when the Sun is blocked out by the Moon
6. Changes in appearance of the Moon
8. Theory that says the Moon was pulled in by Earth's gravitational pull
9. The increase of visible sunlight from the moon
11. When the Moon and Sun are at right angles to the Earth, causing weaker rise and fall of ocean level
13. 2 high tides and 2 low tides within 24 hours
14. This Apollo mission was the first to land a man on the moon
17. Mars sized object crashed into Earth, ejecting material into space that formed the Moon

1. Theory states Earth and Moon formed at the same time
2. 1st American in space
5. When the Moon and Sun are in line and cause stronger ocean level rise and fall
7. Vertical distance between high tide and low tide
10. 1 high tide and 1 low tide within 24 hours
12. Periodic rise and fall of ocean levels
13. 1st satellite in space, sent by Soviet Russia
15. Area that does not receive direct sunlight from an eclipse
16. The decrease of visible sunlight from the moon