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In this activity, learners burn a peanut, which produces a flame that can be used to boil away water and count the calories contained in the peanut.

It's difficult to see convection currents in any liquid that's undergoing a temperature change, but in this Exploratorium Science Snack, you can see the currents with the help of food coloring.

In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder.

This is an activity about friction as well as kinetic and potential energy.

In this activity about osmosis, learners use a naked egg (one with a dissolved eggshell) to learn about selectively permeable membranes.

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, high voltage is applied across a pickle to emit a yellow glow. This activity should only be conducted by skilled adults and is best suited as a demonstration.

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

This is an activity about acid-base reactions using eggs and vinegar. Learners place eggs inside a container of vinegar and leave to soak overnight.

This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.

Learn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz.