Across
- 4. Light, x-rays, and microwaves
- 6. the amount of resistance between two objects
- 7. When a force creates motion
- 8. A cord that energy travels through
- 9. Caused be vibrations
Down
- 1. a push or pull
- 2. When an object gets farther from another one
- 3. Heat being transferred in waves
- 4. the ability to work
- 5. heat