Across
- 3. light that bounces or is thrown back
- 6. form of energy released when an object vibrates
- 7. to give off light
- 9. Particles that make up a molecule
- 12. like poles of a magnet _________
- 13. a device that makes work easier
- 15. material that can scatter light
- 16. highness or lowness of sound
- 19. cannot easily transfer energy
Down
- 1. loudness/softness of a sound
- 2. material that transmit light
- 4. Highest part of a wave
- 5. force that does work
- 8. blocks light from transmitting
- 10. flow of electrons along a path
- 11. gives a building its shape
- 14. can easily transfer energy
- 17. the ability to do work
- 18. the amount of matter an object has