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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 sublimate dry ice and then taste the carbon dioxide gas.

Why does milk make some people sick? In this activity learners explore this question and explore the chemistry of milk, and our bodies!

In this online activity, learners experience the thrill of pickle making, and explore how a cucumber becomes a pickle.

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 use colored candy to represent subatomic particles and make a model of an atom (Bohr model).

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

In this activity, learners investigate convection by using food coloring and water of different temperatures.

In this chemistry meets cooking activity, learners compare the stability of egg white foams with various additives.

In this (edible) activity, learners balance chemical equations using different kinds and colors of candy that represent different atoms. Learners will work in pairs and explore conservation of atoms.

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.

In this activity, learners discover the primary physical properties used to separate pure substances from mixtures.

In this activity, learners measure the amount of carbon dioxide in a carbonated drink.

In this activity, learners separate the components of Gatorade using a home-made affinity column.

In this activity, learners stain fabrics--on purpose!

In this activity, learners use gelatin as a lens to investigate the properties of laser light.

In this collection of demonstrations, learners explore Newton's Laws of Motion.

In this activity related to Archimedes' Principle, learners use water displacement to compare the volume of an expanded gummy bear with a gummy bear in its original condition.

This is an activity that demonstrates how batteries work using simple household materials. Learners use a pickle, aluminum foil and a pencil to create an electrical circuit that powers a buzzer.

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