Waves

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Across
  1. 1. The length of the wave.
  2. 5. The vibration of medium parallel.
  3. 6. Number of waves that pass a point in one second.
  4. 10. When waves bend as they pass through a new medium.
  5. 12. A wave vibrating at right angles to the direction of its propagation.
Down
  1. 2. The height of a wave from equilibrium position to peak.
  2. 3. A seismic body wave that shakes the ground back and forth perpendicular to the direction the wave is moving.
  3. 4. When waves bend around small obstacles or light bends when it passes around an edge or through a slit.
  4. 7. A seismic body wave that shakes the ground back and forth in the same direction.
  5. 8. When waves bounce back from a surface that can't be able to pass through.
  6. 9. Things that keep moving unless a force acts upon another force.
  7. 11. A matter that supports sound.