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Discover how the salt in soil affects plant growth with a few seeds, some cotton, and salt. In this hands-on activity, you will plant seeds in 2 different kinds of soil, containing more or less salt.

In this activity, learners will "paint" their own crystal artwork by creating a picture with a super saturated salt solution.

Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.