Recognize that combining two or more substances may make new materials with different properties.
Physical Sciences: Chemistry and Physics
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Experiment and explain what happens when two or more substances are combined (e.g. mixing, dissolving, and separated (e.g. filtering, evaporation).
Use basic reactions to demonstrate observable changes in properties of matter (e.g., burning, cooking).
Observe and describe what happens when substances are heated or cooled. Distinguish between changes that are reversible (melting, freezing) and not reversible (e.g. baking a cake, burning fuel).
Know that combining two or more substances can make new materials with different properties