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Find the height of a tree, paper rocket or North Star.
Ready for liftoff? Launch rockets with your own launcher!
Determine the field diameter of a compound microscope.
Dividing cells expand exponentially.
“g,” that’s interesting! Investigating gravity.
Create a scale model of the earth-moon system using different-sized spheres.
The energy released in earthquakes ranges over many orders of magnitude.
Explore the relationship between an object's volume and its weight.
Measure the height or distance of any object using your hand.
What do you do if something looks odd in your data?
Light plus light equals dark.
Compare the brightness of two light sources with an oil spot on a white card.
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