The Exploratorium is temporarily closed. Explore our online resources for learning at home.

Explore Activities

Hungry for fresh, exciting science activities based in amazing phenomena? Science Snacks are hands-on, teacher-tested, and use cheap, available materials.

Science activity that demonstrates charge in a battery

Hand Battery

Use your skin and different metals to create a battery.

Critical Angle

Discover why your favorite cat videos don't leak out of optical fibers.

Science activity that demonstrates light interference in soap

Soap Film on a Can

Why do we see colors in soap bubbles?

Science activity that models the structure of a virus

Viral Packaging

Fit nucleic acid and proteins into a small package.

Science activity that explores audio signal transmission

Modulated LED

Listen to a beam of light.

Science activity that demonstrates a color illusion

Benham's Disk

A rotating black-and-white disk produces the illusion of color.

Science activity that explores magnetic lines of force

Magnetic Shielding

Magnetic lines stop here.

Plate Tectonics

See a map of recent earthquakes in the United States, and learn why earthquakes happen so frequently on the West Coast.

Science activity that demonstrates magnetic field coupling

Modulated Coil

Hear the magnet!

Science activity to discover how a variety of traits in a group of living specimens can impact evolution

Critter Comparison

Observe physical and behavioral differences in locally collected creatures.

Bread Science 101

What's really going on when you bake? Find out.