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What is a Science Snack?

Science Snacks are hands-on, teacher-tested activities that bring explorations of natural phenomena into the classroom and home. Each activity uses inexpensive, easily-available materials, offers detailed instructions and images, provides a clear explanation of what's going on, and is adaptable to a wide range of curricula, content areas, grade levels, and settings.

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Above: Condiment Diver Science Snack

Science Snacks by Subject

Search for Snacks based on subject or content area.

Family-Friendly Snacks

Easy Snacks to do with things you have at home.

Science Snacks with Videos

Feast your eyes on tasty video demonstrations of these Snacks.

Bocadillos científicos

Los Bocadillos son experimentos científicos interactivos en español que utilizan materiales comunes.

Try these Science Snacks

Outdoor Shadows

Trace your shadow, then make it change.

Science activity to explore a developing plant embryo

See Inside a Seed

Examine the baby plants inside the seeds we eat.

Science activity that produces musical sounds only you can hear

Secret Bells

Create a sound system for music only you can hear.

Science activity that demonstrates perception of camouflage and movement

Disappearing Act

If you want to stay hidden, you'd better stay still.

Science activity to make an instrument that creates the sound of rain falling

Make Your Own Rainstick

Listen to the sound of rain falling—anytime, anywhere.

Science activity that demonstrates an ambiguous figure optical illusion

Far-Out Corners

Your experience of the world influences what you see.

A science activity that demonstrates the two-slit interference phenomenon

Two-Slit Wave Model

Use index cards to show how light plus light equals dark.

Science activity demonstrating balance and the center of gravity

Balancing Stick

Does it matter which end is up?

Science activity that demonstrates force and acceleration of marshmallows

Marshmallow Puff Tube

If you blow harder, will it go farther?

Science activity to construct a cube that can be perceived in two ways

Ambiguous Cube

A cube made from drinking straws can confuse your brain.

Science activity that demonstrates use of nonstandard measurements and simple ratios for estimating sizes or distances

Handy Measuring Tool

Measure the height of an object indirectly using your hand and a ratio.

Science activity that demonstrates conductivity of solutions

Conductivity Meter

Make a conductivity meter and let your electrolytes shine.

The Exploratorium, established in 1969, is an internationally renowned museum of art, science, and human perception located in San Francisco, California. Its hundreds of hands-on exhibits are designed to promote science discovery.

The Exploratorium Teacher Institute has supported middle and high school math and science teachers to incorporate hands-on, inquiry-rich experiences into their classrooms since 1984.

Cook up over 100 hands-on science exhibits from everyday materials!
Buy the Exploratorium Science Snackbook.

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute