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Using two baby food jars, food coloring, and an index card, you'll 'marry' the jars to see how hot water and cold water mix.

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

In this quick activity, learners drink Avogadro's number worth of molecules - 6.02x10^23 molecules!

If you got a big graduated or clear cylinder, water, a pipe, and a tuning fork, you've got a sound learning opportunity! Learn about resonance with this Exploratorium Science Snack.

In this activity, learners conduct a simple experiment to see how electrically charged things like plastic attract electrically neutral things like water.