Combining and Separating

Why does sand settle to the bottom of the ocean, but salt mixes in? How do people get sea salt out of the sea?

In this section, you will learn that different particles combine in different ways. There are mixtures, solutions, and even chemical reactions. Some of these combinations can be reversed, while some of them cannot. It will make the most sense if you watch both video lessons before starting on the experiments & activities. Watch them both back to back, or split them up if you want!

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Course Includes

  • 10 Sections