Across
- 1. The amount of matter in an object
- 3. Push or pull
- 7. The measure of the force of gravity on an object
- 9. The sun appears the furthest in both the south and the north
- 10. Body that orbits a plant
- 11. Organized system of time
- 12. A force that attracts all object toward each other
- 13. "Equal Night"
- 15. The line through the center of the earth
Down
- 2. Giant ball of gas
- 4. Made up of cold dust and ice
- 5. The different shapes of the moon
- 6. A pattern of stars
- 8. An object resist change in motion
- 14. The path of one object around another