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1
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color that reflect all light waves
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4
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color that absorb all light waves
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6
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highness or lowness of a sound
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8
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color with smaller wavelengths
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10
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unit to measure frequency and pitch
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11
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allows no light through
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13
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particles move parallel to the motion of the wave
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14
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tone color or tone quality
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16
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particles move perpendicular to the motion of the wave
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17
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change in wave frequency caused by a moving wave source
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18
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states that waves are reflected from the boundary of the medium at the same angle at which they strike it
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19
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needs a medium
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20
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the ability of living things to light
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21
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distance travelled by a wave crest in one period
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23
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when two or more waves combine together
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