Across
- 2. a measure of how far the particles in the medium move away from their normal rest position
- 4. the cress can be drawn as shapes, such as circles or spheres
- 8. the time required for one cycle
- 9. the distance from any point on a wave to an identical point on the next wave
- 11. particles move back and forth in the same direction
- 14. the speed at which a wave travels
- 16. a disturbancethat transfers energy
- 18. the most common unit used to express loudness
Down
- 1. most common type of mechanical wave
- 3. sunlight is?
- 5. a wave tells how many cycles occur in an amount of time
- 6. a wave requires a medium
- 7. most common elecetromagnetic wave
- 10. a measure of how well a sound can be heard
- 12. particles move perpendicularly to the direction the wave travels
- 13. the material in which a wave travels
- 15. ow high or low you think a sound is
- 17. frequency is expressed