Across
- 2. Amount of matter.
- 8. Every object in the universe attracts every other object.
- 10. Measure of the force.
- 12. Imaginary line that passes through the North and South poles.
- 13. Faint outer atmosphere of the sun.
- 15. Moon.
Down
- 1. Moons shadow.
- 3. Sun.
- 4. Attracts all objects.
- 5. Movement of one object around one another.
- 6. An object at rest will stay at rest and an object in motion will stay in motion.
- 7. Push or pull.
- 9. Tendency of an object to resist a change in motion.
- 11. The motion of the moon around Earth.
- 14. Slightly elongated circle