Waves choice board

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Across
  1. 2. A repeated back and forth or up and down motion that gives energy to a wave. Also called "oscillation"
  2. 4. The parts of a longitudinal wave that are spread apart
  3. 7. A type of wave where the medium moves perpendicular (vertical) to the direction the energy is moving.
  4. 8. The lowest point of a transverse wave
  5. 10. A disturbance that transfers energy from place to place
  6. 12. The distance between two similar parts of a wave
  7. 13. When a wave changes direction because it goes into a new medium
  8. 15. When waves spread out to fill the space through which they are moving
Down
  1. 1. A type of wave where the medium moves parallel (horizontal) to the direction the energy is moving. Sound is this type of wave.
  2. 3. The maximum distance from the rest position that the medium moves in a wave
  3. 5. When one wave hits another wave, their amplitudes combine and make a new wave
  4. 6. The highest point on a transverse wave
  5. 9. The parts of a longitudinal wave that are closest together
  6. 11. The material a mechanical wave moves through
  7. 14. The specific direction that a transverse wave is vibrating