The Exploratorium is temporarily closed. Explore our online resources for learning at home.
Soap bubbles float on a cushion of carbon dioxide gas.
As René Descartes (almost) said, "I sink, therefore I am."
Make your own heat waves in an aquarium.
A balloon acts as a lens to focus sound.
Objects change size when heated or cooled.
A dipping bird seems to go forever—but it's not perpetual motion.
Construct a simple hydrometer to compare the densities of solutions.
Create and examine an ice balloon.
Watch the rise and fall of hot and cold fluids.
This density column always returns to its original three layers.
Levitating magnets show how the Earth’s atmosphere stacks up.
Make a reverse Cartesian diver.
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Attribution: Exploratorium Teacher Institute
Connect with us!
Pier 15 (Embarcadero at Green Street)San Francisco, CA 94111(415) 528-4444
More Contact Info
Get at-home activities and learning tools delivered straight to your inbox