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science

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Across
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A wave that travels along a surface separating two media
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Transfer of energy as electromagnetic waves
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Shortest wavelength of the electromagnetic spectrum
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Cells in the retina that detect shape and dim light
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The frequency of a sound as you perceive it
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Useful to examine bones
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The maximum displacement of the media from its rest position
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The time required for one cycle
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Light passes through matter
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2 or more waves overlap and combine together
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The distance between a point on one wave and the same point on the next cycle of the wave
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Very little or no light is transmitted
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Cones in the retina do not detect red or green
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The highest point of the wave above the rest position
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Protects the eye, refracts some light
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Frequency is measured in cycles per second
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Cells in the retina that detect color and bright light
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Light energy is absorbed instead of reflected
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An area where the particles in a medium are spaced close together
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Largest wavelength of the electromagnetic waves
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The bending of waves around a barrier or through an opening
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The lowest point below the rest position
Down
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A technique for determining the distance to an object under water
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Opens and closes to control the size of the pupil, gives the eye color
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An area where the particles and the medium are spread out
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A change in sound frequency caused by motion of the sound source, motion of the listener or both
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Sends info over long distances
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The rate at which a waves energy flows through a given area
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Number of complete cycles in a given time
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Light is transmitted easily
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Light bounces off the surface
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The area where the particles in a medium are spread out
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Some light is transmitting and some is scattered
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The material through which a wave travels
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A unit that compares the intensity of different sounds
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Light wave changes direction after interacting with matter
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Longitudinal waves- compressions and rarefactions that travel through a medium
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A physical response to the intensity of sound, modified by physical factors