Water Waves

12345678
Across
  1. 2. What the ocean is made of
  2. 5. the height of a wave
  3. 6. the top of a wave
  4. 7. the opposite of velocity
  5. 8. the bottom of the wave
Down
  1. 1. matter a wave can travel through
  2. 3. the length of a wave
  3. 4. the opposite of period