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Incredible Shrinking Shapes
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In this activity, learners get hands-on experience with ratios and scaling while making their own jewelry out of recycled plastic containers.
Arctic Sea Ice
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In this activity, learners explore how the area of Arctic sea ice has changed over recent years. First, learners graph the area of Arctic sea ice over time from 1979 to 2007.
How Big is Small
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In this classic hands-on activity, learners estimate the length of a molecule by floating a fatty acid (oleic acid) on water.
Geometry and Algebra: The Future Flight Equation
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In this activity, learners discover how NASA engineers develop experimental aircraft.
Giant Museum: Create a Scale Model
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In this activity, learners will predict the size of a giant scale model of a comb or other rectangular object, then make one. If you tripled the size of a dollar bill, could you sit on it?
More Bubbles!
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In this math activity, learners make their own bubble wands and determine if the size of the wand affects the number of bubbles it produces.
Cylinders and Scale
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In this activity, learners investigate the relative growth of lengths, areas, and volumes as cylinders are scaled up.
Inverse Square Law
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In this math activity related to light, learners explore why a light, such as a candle or a streetlight, looks dimmer the farther away from it we get.
Size, Mass, Area, and Volume
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In this activity (page 23 of PDF), learners conduct an experiment to determine how the size and mass of a projectile affects the area and the volume of an impact crater.
Air Pressure and Dent Pullers
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In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment.