Across
- 2. The measurement of how much matter is in an object.
- 4. Gravity, magnetism, and electricity are all one of these.
- 7. The thing that keeps earth moving around the sun.
- 8. The force that pulls objects toward earth.
- 10. The law that states every particle has a gravitational pull.
Down
- 1. The man who first thought about why things fall.
- 3. The type of force gravity is.
- 5. Spinning or circling around.
- 6. The amount of gravity acting upon an object.
- 9. The force drawing objects together.