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| The ability to make something move or change |
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| The total of an object's potential energy and kinetic energy combined |
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| Sounds that come from speakers to create music |
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| Electricity; energy that moves through wires and makes equipment work |
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| Energy that comes from heat |
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| Energy that comes from light |
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| To take in; in this case to take in light |
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| The dark area behind an object that has blocked light. It has a shape similar to the object because light travels in straight lines. |
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| A surface can reflect or bounce back light |
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| Light can refract or bend when it moves from one clear material to another |
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