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10 Cards in this Set
- Front
- Back
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the study of matter and the changes that matter undergoes; "central science"
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Chemistry
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anything that has mass and occupies space
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Mass
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tiny pieces of substance too small to see
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Molecules
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Very small pieces of matter that make up molecules
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Atoms
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natural phenomena and measured events; if universally consistent, can be stated as a law
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Observations
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tentative explanation that explains observations
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Hypothesis
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procedure to test hypothesis; measures one variable at a time
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Experiment
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a unifying principal that explains a body of experimental observations and the laws that are based on them; set of conceptual assumptions that explains data from accumulated experiments
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Theory
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a form of matter that has a definite(constant) composition and distinct properties
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Substance
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