Make A Memory Wire Circuit
Use nitinol or “memory” wire as a model muscle in this paper circuit activity.
How Shrinking Sea Ice May Be Shrinking Polar Bears
How is the body mass of polar bears changing as sea ice disappears? The answer may depend on where they live and feed.
Summing Up The Skyscraper Problem
How do you figure out how much it will cost to wash the windows of a building “n” stories high? Try using consecutive sums or the quadratic equation!
Eclipse Party Activities
Spice up your eclipse party with these hands-on activities—and learn a little something about our Sun, Moon, and Earth in the process.
Make Supercool Fruit Pops
Make supercooled water and use it to coat fruit pops in instant ice crystals
How Big Was This Squid?
Learn how to determine the size of a Humboldt squid using a beak left behind in a whale’s stomach in this data-rich math activity.
Dive Into The Depths With Seals
Use this interactive to explore ocean data collected by Elephant Seals as they swam through the North Pacific Ocean.
Life Under a Rock: Bacteria in Extreme Environments
Explore the dry, dim world of hypolithic or “under rock” cyanobacteria and measure and compare colony growth in deserts around the world.
Tessellation And Miura Folds
Make an origami fold that can compress rigid materials, and study the tessellation it creates!
Build An Ultra High-Speed Toy Out Of Paper
Make a paper toy that spins thousands of times per minute, and then measure, and try to modify, its speed.