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When wave travel as changes in frequency or amplitude

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Light is a stream of tiny particles that can cause an electron to move so much that it is knocked out of metal

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An increase in the amplitude of a vibration that occurs when external vibrations match an objects natural frequency

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The interaction between waves that meet

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When a wave moves around a barrier or through an opening in a barrier, it bends and spreads out

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Unit of measurement for frequency

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A wave that appears to stand in one place, even though it is two waves interfering as they pass through each other

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A combination of transverse and longitudinal waves

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Low points of a transverse wave

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The high points of a transverse wave

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Area of a longitudinal wave where coils are spread apart

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Area of a longitudinal wave where coils are close together

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An area containing no matter

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A wave that vibrates a medium in the same direction a wave travels

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A wave that vibrates a medium at right angles to direct the wave wave travel

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Transverse wave that involves the transfer of electric and magnetic energy. No medium.

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A wave that requires a medium to travel though it

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When a wave containing energy moves completely through a material without being absorbed, reflected or refracted

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When energy from a wave is transferred to amaterials  molecules

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When a wave hits a surface, any part of the wave that cannot pass through the surface bounces back

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The bending of a wave due to the change of light

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the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

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The maximum distance the medium vibrates from the rest position

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The number of waves that pass a given point in acertain  amount of time

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a disturbance that transfers energy from place to place

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The material through which a wave travels