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Learners observe two joined glass tubes containing a conductive salt solution. Electrodes are passing an electric current through the water.

Learners build a simple one-cell battery and use an ammeter to measure the flow of current.

In this hands-on activity, learners use heat to shrink samples of polystyrene plastic (#6 recycle code). Learners compare the size and shape of the plastic pieces before and after shrinking.

Learners compare the properties and solubilities of Styrofoam (TM), ecofoam packing peanuts, and popcorn. First, the solubility of each substance is tested in water.

In this activity, learners discover that atoms and ions of different metals will change places.

In this activity, learners investigate vitamin C.

In this activity, learners electrically plate zinc onto brass objects.