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10 Cards in this Set
- Front
- Back
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compression |
the pushing together of a mass so that it occupies less space |
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frequency |
the number of times a wave makes a complete cylce in a second |
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wavelength |
distance between one point on a wave to the next similar point on a wave. |
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pitch |
a measure of whether a sound seems high or low, determined by the sound's frequency. |
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reflection |
the bouncing back of a wave off an object or surface |
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absorption |
the taking in of light energy by an object |
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transparent |
describes materials that let nearly all the light rays that hit them pass through. |
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translucent |
describes materials that let some light rays pass through but scatter some of the other rays. |
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opaque |
describes materials that do not let any light pass through them. |
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refraction |
bending of a wave caused by the change of speed that occurs when the wave passes from one medium into another. |
