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Physics

Science activity demonstrating color afterimage phenomenon
Bird in a Cage

Stare at one color—but see another.

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 investigating electromagnetics and motors
Stripped-Down Motor

Make a simple mini-motor.

Science activity that demonstrates photosynthesis
Photosynthetic Floatation

Show that gas is produced during photosynthesis.

Science activity that demonstrates neuroplasticity
Distortion Goggles

Distort your vision and see what your brain learns.

Science activity that demonstrates electromagnetism
Motor Effect

A magnet exerts a force on current-carrying wire.

Science activity that demonstrates convection
Convection Currents

Make your own heat waves in an aquarium.

Science activity that demonstrates the index of refraction
Disappearing Glass Rods

You can make glass objects disappear.

Science activity that uses gravity to turn soap film into an ever-shifting array of colors
Soap Film Painting

Gravity turns soap film into an ever-shifting, colorful masterpiece.

Science activity that models light wave interference
Soap Film Interference Model

Model the behavior of light reflecting off soap film surfaces.

Science activity that demonstrates perception of additive color mixtures
Colored Shadows

Not all shadows are black.

Science activity that demonstrates charge in a battery
Hand Battery

Use your skin and different metals to create a battery.

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