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The Ancient Egyptians used a naturally-occurring salt from the banks of the Nile River, called natron, to mummify their dead.

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

This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.

In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.