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Descartes' Diver
The ExploratoriumAdd to list DetailsIn this activity, learners explore how changes in fluid pressure affect the buoyancy of a Cartesian diver inside a plastic soda bottle. This guide includes instructions for building a diver out of...
Stripped-down Motor
The ExploratoriumAdd to list DetailsIn this activity, you'll make an electric motor--a simple version of the electric motors found in toys, tools, and appliances everywhere. The activity includes three short online videos:...
Bubble Bomb
The ExploratoriumAdd to list DetailsLearn about chemical reactions by making a Bubble Bomb, a plastic bag you can pop with the power of fizz. The bubbles in the Bubble Bomb are filled with carbon dioxide, a gas that forms when...
Bubbularium: See the Colors in Bubbles
The ExploratoriumAdd to list DetailsWith little more than a flashlight, a straw, and a plastic lid, make an observatory so you can see the amazing colors in bubbles. Learn about how light travels in waves and how the frequency of a...
Marshmallow Puff Tube
The ExploratoriumAdd to list DetailsIn this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder. The result is spectacular, and the process provides a great...
Simple Spinner
The ExploratoriumAdd to list DetailsIn this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in...
Pendulum Snake
The ExploratoriumAdd to list DetailsIn this physics activity, learners assemble and/or investigate a pendulum "snake." Several large steel hex-nuts are suspended on strings of successively increasing length to form a series...
Jitterbug
The ExploratoriumAdd to list DetailsThis activity explores the concept of center of gravity by having learners build a Jitterbug--a motorized toy that seems to dance--using a recycled CD and a DC motor. The activity includes three...
Waterbottle Membranophone
The ExploratoriumAdd to list DetailsIn this activity, you'll use a straw, a water bottle and a paper tube to make an instrument that's very much like a saxophone. The activity, which teaches students about sound, vibration,...
Springs and Stomachs
The ExploratoriumAdd to list DetailsIn this demonstration, learners investigate mass, gravity, and acceleration by dropping a wooden bar with a balloon attached to its underside, a mass suspended from it by rubber bands, and a sharp...