Waves

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Across
  1. 2. / A disturbance that moves through matter or space and carries energy.
  2. 3. / The number of wavelengths that pass by a point each second.
  3. 5. / The change in direction of a wave when it changes speed as it travels from one material to another.
  4. 6. wave / Causes particles in matter to move back and forth at right angles to the direction in which the wave travels.
  5. 7. / The bending of waves around an object.
  6. 8. of reflection / The angle that the incoming wave makes with the normal equals the angle that the outgoing wave makes with the normal.
Down
  1. 1. / The distance between one point on a wave and the nearest point moving with the same speed and direction.
  2. 4. Wave / causes particles in matter to move back and forth along the same direction in which the wave travels.