Waves (Energy)

3. In a transverse wave, particles move at _ angles to the wave.
6. The process that happens when a wave hits a solid object, and bounces back is known as _.
7. The distance between the crests or troughs of a wave is known as _.
12. The minimum point of a wave is known as a _, and the maximum is known as a peak.
14. Frequency (Hz) x Wavelength (m) = _ (m/s)(2 words)

1. The number of waves produced per second is called _.
2. When waves pass from one medium to another, they can change speed and direction. This process is known as _.
4. There are two types of waves: longitudinal and _.
5. In a longitudinal wave, the particles move in the same _ as the wave.
8. The maximum distance that a particle moves away from the centre line of a wave is known as _.
9. Waves transfer _, without transferring any matter.
10. Frequency is measured in _.
11. One type of energy that is transferred by waves is _.
13. The angle at which a wave hits a barrier, and the angle at which the wave is reflected is the _.
15. Light waves travel through space at 300,000 km/_.