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VOCAB CROSSWORD PROJECT

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Across
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The entire range of electromagnetic waves
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The time required for one cycle, a complete motion that returns to its starting point
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Transfer of energy as electromagnetic waves
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A technique for determining the distance to an object under water
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Very little or no light is transmitted
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Two or more waves combine to produce a wave with a larger displacement
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Light wave changes direction after interacting with matter
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Protects the eye refracts some light
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A disturbance in matter that carries energy from one place to another
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Light energy is absorbed instead of reflected
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Has cells that detect light and changes them to electric signals to be sent to the brain
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The rate at which a wave's energy flows through a given area
Down
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A unit that compares that intensity of different sounds
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Two or more waves combine to produce a wave with a smaller displacement
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Cells in the retina that detect shape in dim light
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The lowest point below the rest position
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A wave of changing magnetic and electrical fields that can travel through empty space or matter
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Cells in the retina that detect color in bright light
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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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Two or more waves overlap and combine together
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A point where a crest or trough occurs midway between two nodes
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Light passes through matter
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The response of a standing wave to another wave of the same frequency
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The frequency of a sound as you perceive it
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Causes sunburn, kills bacteria
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Longitudinal waves-compression's and rarefaction's that travel through a medium
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Radiates heat, makes things warmer
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A point on a standing wave that has no displacement from the rest position
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Light is transmitted easily
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The material though which a wave travels
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The highest point of the wave above the rest position
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Opens and closes to control the size of the pupil, gives the eye color
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Useful to examine bones, security in airports