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