exploratorium

Explore Activities

Science activity that demonstrates persistence of vision
Whirling Watcher

Short bursts of moving images produce some interesting effects.

Science activity that demonstrates corrosion, using saltwater and electricity to etch patterns on metal
Electrical Etching

Etch patterns on metal using saltwater and electricity.

The Sky Is Falling
The Sky Is Falling

Sometimes we can learn about outer space when space objects come to us.

Science activity to create an instrument that produces sound from a vibrating stretched membrane
Water-Bottle Membranophone

This surprising instrument is fun to make—and even more fun to play.

Science activity that demonstrates resonance in a pendulum
Coupled Resonant Pendulums

Two pendulums influence each other’s motion to create Intriguing patterns.

Science activity that demonstrates an optical illusion
Hole in Your Hand

What happened to your whole hand?

Science activity that demonstrates the chemistry of a battery
Penny Battery

Light an LED with five cents.

Science activity that uses data to explore natural cycles and unnatural changes in our atmosphere
Our Changing Atmosphere

Explore a famous environmental data set to learn about climate change.

Getting Started with Motion
Getting Started with Motion

Use the Science Journal mobile app to investigate movement.

Girls of Summer
Girls of Summer

In the 1870s, an American woman could not vote. She could not own property in her own name after marriage. But she could play ball. . .

Science activity that demonstrates how clouds form
Fog Chamber

Create clouds in a bottle by rapidly expanding the air.

Science activity that demonstrates convection
Convection Currents

Make your own heat waves in an aquarium.

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