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Use agar cubes to investigate how size impacts diffusion.
Ready for liftoff? Launch rockets with your own launcher!
Use your cell phone to explore the mini-scopic world.
String and scissors are all you need to find pi all around you.
Create a scale model of the earth-moon system using different-sized spheres.
Build an electroscope to detect electrical charge using straws.
Construct a simple hydrometer to compare the densities of solutions.
Prove to yourself that Galileo was right.
“g,” that’s interesting! Investigating gravity.
Measure the height of an object indirectly using your hand and a ratio.
Find the height of a tree, paper rocket or North Star.
Dividing cells expand exponentially.
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