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Forces & Motion: Waves

Across
Red, green, and blue are called the additive _____ colors of light.
The speed of sound depends on the material's _______.
A process in which sound or light is absorbed and re-emitted in all directions.
Sound waves are _______ waves.
A disturbance that is transmitted from one place to the next with no actual transport of matter.
The distance from the top of one crest to the top of the next one.
Is formed where light rays cannot reach.
This light is a combination of all the colors.
Materials that absorb light and allow no light through them.
Down
A repeating, back and forth motion about an equilibrium position.
The return of a wave back into its original medium.
We describe our subjective impression about the frequency of sound by the word ______.
Travels in solids, liquids, and gases.
Materials that transmit light.
Whenever the motion of the medium is at right angles to the direction in which a wave travels, the wave is a _______ wave.
The color of an opaque object is the _____ of the light it reflects.