Across
- 4. is a back-and-forth or an up-and-down movement of an object.
- 5. Is the maximum distance that the wave moves from its rest position.
- 7. The sections of a wave where the particles are closest together.
- 9. The perception of how high or low a sound seems.
- 11. is a disturbance that transfers energy without transferring matter.
- 12. are waves that travel only through matter.
- 13. A material in which a wave travels is called a __.
- 14. is the amount of sound energy that passes through a square meter of space in one second.
- 15. is a wave that moves parallel to the direction of the wave.
Down
- 1. is the bouncing of a wave off a surface.
- 2. The distance between one point on a wave to the same point on the next wave is the __.
- 3. is a wave that moves perpendicular to the direction of the wave.
- 6. are waves that DO NOT need a medium to travel.
- 8. The number of wavelengths that pass a point each second is a wave’s __.
- 10. The regions of a wave where the particles are farthest apart.