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

Learners grow sugar crystals (rock candy). They make a hot solution that has an excess of sugar dissolved in it, then as the solution cools, they see sugar crystals form.

In this chemistry activity (page 1 of the PDF), learners will observe a physical change.

This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.

Visitors observe a tray holding a crystal-covered brick. The crystals were created by evaporation of a solution containing liquid bluing, ammonia, and salt.

In this activity, learners compare different types of salt crystals under a magnifying glass.