mixtures including solutions.
The student will investigate and understand that matter is anything that has mass and takes up space; and occurs as a solid, liquid, or gas.
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plan and conduct an investigation to determine the effect of water temperature on the dissolving of a solid (3.3 b).
infer that some substances will dissolve more easily in hot water than in cold water by conducting investigations using water at different temperatures.
classify solids based on their ability to dissolve in water (3.3 b)