Across
- 4. what physics is a part of
- 7. the force keeping us down
- 9. a unit of measurement
- 10. energy cannot be created or _____
- 11. the potential energy something has
- 13. the class we're in
- 14. kinetic and potential energy
- 15. a unit of mass
Down
- 1. the stuff needed to do stuff
- 2. the energy of something in motion
- 3. something speeding up
- 5. speed
- 6. causes loss of speed
- 8. heat energy
- 12. a unit of force
