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| the study of matter and it's properties, changes and associated energy |
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| anything that has mass and volume |
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| the types and amounts of simpler subtances |
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| characteristics that give each substance its unique identity |
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| shown by itself, without changing/interacting with another substance |
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| alters physical properties, not its composition |
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| shows as it changes into or interacts with other substance(s) |
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| a substance is converted into a different substance |
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| fixed shape, does not conform for container shape |
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| varying shape; conforms to container shape; has a surface |
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| varying shape; conforms to container and fills it; does not have surface |
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| are close together and organized |
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| close together but disorganized |
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| far apart and disorganized |
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| physical changes by heat may be reversed by |
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| we study _______ changes in matter to understand their ______ causes |
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| sum of potential and kinetic energy |
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| energy due to the position of an object |
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| energy due to the motion of an object |
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| situations of lower energy are |
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| situations of high energy are |
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| change in _____ energy equals ____ energy |
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| chemical changes caused by heating may be reversed |
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| only by other chemical changes |
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