Waves

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