6. what is frequency measured in
- Waves
- Hertz
- decibels
- Wavelength
7. What is amplitude measured in?
- Wavelength
- Decibels
- Wave height
- Hertz
8. Which waves are fastest?
- Light
- Sound
- Water
- Gas
9. What is the amplitude of a sound wave
- The number of waves per second
- The maximum height of the wave
- The distance between the same two points on a wave