Across
- 3. observable evidence of energy in a flashlight
- 5. a source of stored energy used in circuits
- 8. when one object hits another
- 9. not moving
- 11. observable evidence of energy in a speaker
- 12. observable evidence of energy in a motor
Down
- 1. energy that matter has when moving
- 2. energy that matter has because of its position
- 4. the force that attracts objects toward Earth
- 6. a force acting between surfaces in contact
- 7. observable evidence of energy in a fire
- 10. an encounter between two objects
