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In this activity, learners use simple materials to create giant bubbles.

In this activity, learners make their own heat waves in an aquarium.

In this activity, learners will observe laminar and turbulent flow of water using only a plastic bottle, liquid hand soap, food coloring and water.

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.

The Ancient Egyptians used a naturally-occurring salt from the banks of the Nile River, called natron, to mummify their dead.

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.

Electrolysis is the breakdown of water into hydrogen and oxygen. This Exploratorium activity allows learners to visualize the process with an acid-based indicator.

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.

This activity shows you how to make amazing crystal spikes using Epsom salt and the sun.

This Exploratorium activity can be used in many contexts because geysers are great opportunities for learning about heat and temperature changes as well as geological/space science phenomena.

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