Waves keywords crossword

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Across
  1. 1. The bottom of a wave is called the ____
  2. 4. Electromagnetic waves travel at 300 _____ m/s in a vacuum
  3. 9. The height of the wave from the mid-point (equilibrium) to the top
  4. 11. Sound is a _____ wave
  5. 12. Light is a _____ wave
Down
  1. 2. The scientific term for vibrations
  2. 3. The measurement from the top of a wave to the top of the next wave
  3. 5. The top of a wave is called the ____
  4. 6. A required practical is studying waves in a ____ tank
  5. 7. Electromagnetic waves do not need ______ to travel
  6. 8. Frequency is measuring how many waves there are per _______
  7. 10. Frequency is measured in _____