Across
- 2. A wave that shook the world
- 5. waves when they bounce off a barrier.
- 6. the measurement from one crest to the next crest.
- 7. A wave that heat food.
- 10. a point in a certain period of time.
- 12. A wave that makes noise.
- 14. A wave that the number of waves that
Down
- 1. A wave that is similar to heat.
- 3. A wave that involves a change in direction
- 4. the unit to measure how many waves per second. visible light
- 8. A wave that The Best of Rory Gallagher
- 9. A wave that measure the wave
- 11. ultraviolet A color bird can see and we cannot .
- 13. of color you can see. pitch how high or low a sound