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Learners will compare the growth rate and appearance of crystals forming on small rocks to those growing on miscellaneous objects. Learners will also investigate how temperature (warm vs.

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

This is written as a static display, but can easily become a hands-on experiment for learners.

In this simple activity (on page 2 of the PDF), learners make a crystal garden using salt, water, and a brick.