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Physical Science: Light & Color

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This is the number of colors that compose the visible spectrum
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This color can be thought of as the absence of color
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A change in the course of a wave as a result of a collision with an object or boundary
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This type of lens is hollowed inward and causes rays of light passing through it to bend outward
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Red, green, and blue are referred to as these types of colors because they "add together" to produce the illusion of different colors
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Some of the first detailed investigations into the behavior of light were made by this English physicist
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This type of lens bulges outward and causes rays of light to bend inward
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Electromagnetic waves that our eyes can perceive are called
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These are low frequency electromagnetic waves
Down
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When all frequencies or colors of visible light enter our eyes at the same time, we perceive it as this color
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This semi-circular arc of colored bands of light in the sky is an example of refraction
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These types of waves are able to travel through empty space, thus don't require a material medium to travel through
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The bending of the path of a wave as a result of a change in wave speed
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Bundles or 'packets' of energy traveling as electromagnetic waves
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Using this item, Newton was able to disprove Aristotle's theory that white light contained no color
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The speed of light in this is always constant
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This is the unit used to measure the frequency of light
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This occurs when the light rays from a distant object are refracted by heated air so that the object appears to be nearby