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| electromagnectic spectrum |
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| range of electromagnetic waves |
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| seven colors that make up the white light |
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| form of electromagnetic energy made up of streams of photons |
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| straight line that shows the direction of light |
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| wave in which the particles of the medium move uo and down at right angles to the direction of the wave motion |
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| object that gives off its own light |
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| object that reflects light |
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| material that blocks light |
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| material that transmit s light easily |
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| material that transmits some light |
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| process by which plants use energy from the sun t make food |
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| substance in pants that absorbs the suns light and gives plants their green color |
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| part of green plant cells where photosynthesis takes place |
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| transparent material that bends light |
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| image tha cannot be projected onto a screen |
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| image that cannot be projected nto a screen |
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| sense organ that detects light |
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| picture formed by the eye |
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| reflection that forms a clear image |
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| reflection that forms a fuzzy image |
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| smoooth surface that reflects light and forms images |
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| triangular piece of transparent glass that separets white light into a band of colors |
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| separation of white light into its component colors |
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| device that produces a powerful beam of light |
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| total internal reflection |
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| occurs when light is repeatedly reflects whithin a given material |
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