Across
- 2. a force that tries to pull 2 objects towards each other
- 7. the spinning of an object on its axis
- 9. the movement of an object around another object
Down
- 1. system the Sun, the planets that orbit the Sun, and other objects that orbit the Sun
- 3. to shine a light on an object and make it visible
- 4. of the Moon the shape of the illuminated part of the moon as it appears from Earth
- 5. cycle the change in the appearance of the Moon as it makes one full revolution around the Earth
- 6. an object or diagram used to show something by making it easier to see
- 8. things in the ocean caused by gravity from the Moon
- 10. the nearly circular path that a smaller object travels around a larger object
