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4.6.B investigate and compare a variety of mixtures, including solutions that are composed of liquids in liquids and solids in liquids; and

4.6.C demonstrate that matter is conserved when mixtures such as soil and water or oil and water are formed.

5.6.B demonstrate and explain that some mixtures maintain physical properties of their substances such as iron filings and sand or sand and water;

6.6.B investigate the physical properties of matter to distinguish between pure substances, homogeneous mixtures (solutions), and heterogeneous mixtures;