Across
- 5. made the law of universal gravitation
- 6. the darkest part of the moons shadow
- 7. the amount of matter in an object
- 9. a system of organizing time
- 10. is a push or pull
- 11. occurs when the moon passes directly between Earth and the sun
- 13. always faces Earth
- 15. Attracts all objects toward each other
Down
- 1. the measure of force of gravity
- 2. the largest part of the shadow
- 3. occurs at a full moon
- 4. are caused by the motions of the moon around Earth
- 8. always faces away from Earth
- 12. The tendency of an object to resist a change in motion
- 14. equal night
