Across
- 3. When the moon gets darker and lighter withen a month
- 7. The force that pulls an object down to earth
- 9. distance between two fixed points
- 10. Change due to rotation of earth
Down
- 1. going around in orbit or elliptical course
- 2. When the side of the moon is getting bigger
- 4. process in which two atomic nuclei combine
- 5. The side of the moon when it gets smaller
- 6. bright and many in the universe
- 8. There are eight in the universe