Across
- 2. A wave that makes noise.
- 3. A wave that is similar to heat.
- 7. How high or low a sound is.
- 9. A color birds can see and we cannot.
- 11. A wave that heat food.
- 12. The very bottom of the wave.
- 14. The top or peak of a wave.
Down
- 1. The waves of color you can see.
- 4. How often a wave happens.
- 5. The measurement from one crest to the next
- 6. a light that bounces.
- 8. How high or low a sound is.
- 10. Light that bends and slows down.
- 13. The unit to measure how many waves per sound.