Science Extra Credit - Waves

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Across
  1. 3. The low points in a transverse wave.
  2. 8. A type of longitudinal wave that occurs when air molecules are pushed together.
  3. 11. The absence of matter.
  4. 12. The distance between one point on a wave and the nearest like point.
  5. 14. What causes a wave?
  6. 15. Repeating disturbance that transfers energy through matter or space.
Down
  1. 1. The high points of a transverse wave.
  2. 2. Waves that can travel only through matter.
  3. 4. The less dense region of a longitudinal wave.
  4. 5. Waves that occur in Earth's surface. Can be longitudinal or transverse.
  5. 6. Matter through which a wave travels.
  6. 7. Particles in this wave move back and forth at right angles to wave direction.
  7. 9. The more dense region of a longitudinal wave.
  8. 10. Matter in this wave moves back and forth along the same direction as the wave.
  9. 13. What do waves carry?