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Subject: Physics

Science activity to investigate the color of water
A Splash of Color

Is pure water colorless?

Science activity that demonstrates the afterimage phenomenon
Afterimage

A flash of light leaves a lingering image.

Science activity that demonstrates the chemistry of batteries
Aluminum-Air Battery

Construct a simple battery that can power a light.

Anti-Gravity Mirror

Learn how to fly with this neat mirror trick.

Science activity that explores how waves travel and interact
Anti-Sound Spring

Send waves down a spring to watch them travel and interact.

Science activity that demonstrates the angle of repose
Avalanche

Find order in well-mixed chaos.

Science activity using a balancing ball to demonstrate the Bernoulli principle
Balancing Ball

Suspend a ball in a stream of air.

Science activity demonstrating balance and the center of gravity
Balancing Stick

Does it matter which end is up?

Science activity to create a toy that sounds like a swarm of buzzing bees
Bee Hummer

This simple toy sounds like a swarm of bees.

Science activity demonstrating the Bernoulli principle
Bernoulli Levitator

Suspend an object in the air by blowing down on it.

Science activity demonstrating angular momentum
Bicycle Wheel Gyro

A bicycle wheel acts like a giant gyroscope.

Science activity demonstrating color afterimage phenomenon
Bird in a Cage

Stare at one color—but see another.

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Attribution: Exploratorium Teacher Institute