6. What is a frequency?
- The distance between the top and bottom of a wave
- The number of waves produced by a source each second
- The crest of one wave to the crest of the previous wave
7. What type of wave is light?
- A transverse wave
- A longitudinal wave
- A seismic wave
8. What is an amplitude?
- The crest of one wave
- The maximum disturbance of a wave from its undisturbed position
- The wavelength
9. What is an oscillation?
- A type of sound wave
- A vibration
- A reflection