Across
- 2. Massive but small, positive charge
- 5. something that orbits a planet
- 6. Someone that got left out of the planet club
- 7. 90 million miles away from the earth
- 10. A combination of atoms
- 11. My parents named me
- 14. meter/second per second
- 17. A way to lift something using a fulcrum
- 18. energy/time
- 19. force due to gravity
- 20. Latin for gravitas
Down
- 1. an object that has been intentionally placed into orbit
- 3. F=ma
- 4. The antimatter counterpart of the electron
- 8. Very similar to a proton
- 9. a planet with essentially no atmosphere
- 12. foot/second
- 13. Big and light, negative charge
- 15. My teacher calls himself
- 16. an icy small solar system body