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14 Cards in this Set
- Front
- Back
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What is white light?
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light from the sun
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Name some objects that use of kinds of enegy that has waves.
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microwaves, x-rays, radio waves
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What else has waves like light waves?
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other forms of energy
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How is a laser light different from other forms of light?
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It can travel long distances without spreading out very much.
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visible spectrum
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light energy that can be seen and can be broken into the colors of the rainbow
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What is light a form of?
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Energy that you can not see
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What happens to light as it passes through water?
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The water breaks up the light into all the colors of the visible spectrum
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Where does most of our light come from?
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the sun
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Different colors of light have different what?
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wave lengths
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What are the colors that make up white light?
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red, orange, yellow, green, blue, indigo, violet
ROY G BIV |
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What are some objects that are sources of light?
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sun, fire, electric light, candles, matches, flashlight
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How does light energy move?
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In a straight line away from its source-- but from its source out it moves in waves.
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Why isn't light as bright on a object far away?
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Because light waves spread out.
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What is a wave length?
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The distance from a point on a wave to the same point on the next wave.
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