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Learners observe working lava lamps to understand how they work (included in PDF link).

Learners observe a sealed test tube containing a small amount of solid stearic acid.

In this hands-on activity, learners determine the types of chemical reactions achieved when combining different household products.

In this chemistry activity, learners witness an exothermic reaction, while making their very own, completely usable sidewalk chalk. This is also an excellent activity for exploring color mixing.

In this fun and delicious chemistry activity (page 1 of the PDF), learners will explore the difference between physical and chemical change by making homemade ice cream.

Visitors mix urea with water in one flask and mix calcium chloride with water in another flask. They observe that the urea flask gets cold and the calcium chloride flask gets hot.

"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?