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| An experiment that only tests one factor at a time. |
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| A wave that consists of changing electric and magnetic fields. |
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| All of the frequencies, or wavelengths of electromagnetic radiation. |
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| The bouncing back of a ray of light, sound, or heat when the ray hits a surfave that it does not go through. |
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| A guess that awnsers a question; and educated guess. |
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| in optic, the transfer of light energy to particles of matter |
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| an interaction of light with matter that causes light to change its energy, direction of motion, or both |
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| the passing of light or other form of energy through matter. |
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the bending of a wavefront as the wavefront passes between two substances in which the speed of the wave differs |
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| a transparent object that refracts light waves such that they converge or diverge to create an image |
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| a lens that is thicker in the middle than at the edges |
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| a lens that is thinner in the middle than at the edges |
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