Across
- 1. The Earth and Moon are _______ locked. Their rotation is so in sync that we only see one side of the Moon
- 3. The Moon is revolving around ______
- 6. If the ____ burnt out, we wouldn't know for 8 minutes
- 7. 4.6 billion years ago, an object the size of _____ collided with Earth
- 9. The light colored areas of the Moon that were too high for lava to reach
- 10. The Moon's _____ were formed when objects from space crashed into the Moon
- 12. The Earth once had a ____ around it, and it eventually cooled to form our Moon
Down
- 2. The Moon is moving away from Earth about one ____ every year
- 3. The Moon has a very thin atmosphere called an _______
- 4. A daily rise and fall of sea level
- 5. The moon has _____ that are due to Earth's gravity pulling on it
- 7. The large, dark, flat areas on the Moon
- 8. Light colored streaks called _____ extended outward from some craters
- 11. The Sun does not ___ its own light
