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This activity provides instructions for using cornstarch and water to make an ooze which has the properties of both a solid and liquid.

Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

Construct a simple battery that's able to power a small light or motor out of foil, salt water, and charcoal. A helpful video, produced by the Exploratorium, guides you along on this activity.

Ocean acidification is a problem that humans will have to deal with as we release more and more carbon dioxide into the atmosphere.

In this hands-on botany activity, learners sprout vegetables in film canisters.

In this activity, you'll use a straw, a water bottle and a paper tube to make an instrument that's very much like a saxophone.

In this activity, learners try to float ink on the surface of water to create a pattern and then capture it with absorbent paper.