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Create a scale model of the earth-moon system using different-sized spheres.
So close, yet so far away.
Boundaries are the gift that keeps on sifting.
Create giant bubbles!
Make a balance that weighs very light things.
Measure the thickness of a sheet of paper.
Test how well your brain can see patterns.
Measure the height of an object indirectly using your hand and a ratio.
Use agar cubes to investigate how size impacts diffusion.