Waves

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Across
  1. 2. disturbance that moves through matter and soacd and carries energy
  2. 7. waves that travel through matter of an empty space
  3. 8. the lowest point in a wave
  4. 9. matter that waves travel through
Down
  1. 1. mechanical waves that causes particles in matter to move at right angles to the direction of the waves travel
  2. 3. the peak or maximum point in a wave
  3. 4. standard unit for measuring frequency
  4. 5. mechanicall waves that cause particles in matter to move at right angles to the direction the waves travel
  5. 6. for a transverse wave, one half the distance between the crest and the trough