PS.8 & PS.9 Crossword

The distance from the rest position of the medium to either of the crest.
Superposition of waves resulting in a combined waves with a larger amplitude than component waves.
The highest point of a wave.
a material through which a wave travels.
The lowest point of a wave.
the highness or lowness of a sound.
The amount of energy in a sound wave.
The distance between identical points.
The number of wave crest that pass a given point in a second.
A type of wave in which matter vibrates in the same direction as the wave.
A tiny particle-like bundle of radiation..
An electromagnetic wave that has a wavelength shorter than ultraviolet radiation.
The ability to cause change.
Can see clearly through the item.
The separating s beam of light into its component parts.
Occurs when a waves hits something then bounces off.
The bending of wave, caused by the wave changing speed.
The theory that light is composed of tiny particles called particles.
No light can pass through.
Only a little light can pass through.