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Separation of a Mixture: Physical Properties of Matter | Plate Tectonics: Continental Drift | How Scientists Do Science |
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Classroom Plasticware Assortment Set, 32 Pieces | Classifying Objects in the Solar System | Random Chance, Probability |
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Correlating Sedimentary Strata | Study of the Structure and Function of Mitochondria | Ob-Scertainer, A Better Black Box |
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Scientific Method, Problem Solving | Measuring Experiments | Modeling and Investigating Watersheds |
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