Scale Solar System Orbits—And Satellites!
Use planetary orbits and scale ratios to plan flight paths to other planets.
Shell Shocked
Study gastropod shells to understand the evolutionary trade-off between the costs and benefits of building a shell for protection in this resource from Shape of Life
Model The Texture-Changing Structures of Cuttlefish Skin: Papillae
Recreating this impressive feat of camouflage takes only a balloon and a bit of duct tape.
Earth’s History In A Column Of Coral
Take a look back in time by examining x-ray images of the insides of corals.
Drawing Congressional Districts Is Like Sudoku
It’s just simple math, on a map, and on steroids.
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