Science Snacks: Engineering and Technology | Exploratorium

Science activity that demonstrates the angle of repose

Find order in well-mixed chaos.

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

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

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

Make a speaker that turns changing electric current into sound.

Science activity that demonstrates how differently shaped ears affect your hearing

See how differently shaped ears affect your hearing.

Science activity that demonstrates the Doppler effect

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

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

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

Listen to the rhythm of falling weights.