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Subject: Engineering & Technology

Science activity that demonstrates the angle of repose
Avalanche

Find order in well-mixed chaos.

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 angular momentum
Bicycle Wheel Gyro

A bicycle wheel acts like a giant gyroscope.

Science activity that experiments with rocket designs and a PVC launcher
Bottle Blast Off

Ready for liftoff? Launch rockets with your own launcher!

Science activity to build a rubber-band-powered rolling plastic water bottle
Bottle Racer

Build a rubber-band-powered rolling plastic water bottle.

Science activity to build a musical instrument that uses vibrations
Coffee-Can Cuíca

Build a cuíca—a musical instrument—and play with vibrations.

Science activity that uses a coil of wire, a paper cup and a magnet to create a radio speaker
Cup Speaker

Make a speaker that turns changing electric current into sound.

Science activity that demonstrates how differently shaped ears affect your hearing
Designer Ears

See how differently shaped ears affect your hearing.

Science activity that demonstrates the Doppler effect
Doppler Effect

The Doppler effect causes the “neeeeeoowwm” sound of cars.

Science activity that uses a pendulum and a marker to create beautiful designs
Drawing Board

A pendulum moving in two directions creates beautiful designs.

Science activity that demonstrates the art of natural dyes
Dye Like a Natural

Stain your clothes on purpose.

Science activity creating music with gravity
Falling Rhythm

Listen to the rhythm of falling weights.

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Attribution: Exploratorium Teacher Institute