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12 Cards in this Set
- Front
- Back
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vibration
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a back and forth movement of matter |
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volume
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the loudness of a sound |
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pitch
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how high or low a sound is |
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frequency
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the number of vibrations each second |
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reflection
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the bouncing of heat or light off an object |
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opaque |
not allowing light to pass through |
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translucent |
allowing only some light to pass through |
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transparent
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allowing light to pass through |
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refraction
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material to another |
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concave lens
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a lens that is thicker at the edges than it is at the center |
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convex lens
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a lens that is thicker at the center than it is at the edges |
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