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In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater.

In the kitchen, learners can perform their own density investigation.

In this chemistry demonstration, learners investigate the factors that increase the rate of dissolution for a solid.

In this activity, learners use a flashlight, a glass of water, and some milk to examine why the sky is blue and sunsets are red.