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In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water.

Learners experiment with a commercial photo-sensitive paper (Sunprint® or NaturePrint® paper). They place opaque and clear objects on the paper and expose it to bright light, observing the results.

In this quick activity, learners use a toaster to investigate the source for the Earth's wind. Learners hold a pinwheel above a toaster to discover that rising heat causes wind.

In this activity, learners will test soil content using their sample, some water and a container that seals.

Learners mix a solution of luminol with hydrogen peroxide to produce a reaction that gives off blue light.

In this quick and easy activity and/or demonstration, learners illustrate the effect of the weight of air over our heads.

Learners explore how recyclers take advantage of the different properties of materials, such as magnetism and density, to separate them from a mixture.

In this activity/demonstration, learners observe what happens when two ping pong balls are suspended in the air by a hair dryer. Use this activity to demonstrate how rain drops grow by coalescence.

In this activity, learners create a "mini sky" in a glass of water in a dark room.

In this quick activity, learners practice locating a constellation in a map of very dark skies.