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Thaumatrope
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In this activity, learners make an optical illusion toy from the 1800s to explore persistence of vision.
Exploring Properties: Surface Area
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This hands-on activity demonstrates how a material can act differently when it's nanometer-sized.
Headphone Helper
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In this design challenge activity, learners add headphones to a previously built instrument (see "Build a Band" activity) to make it easier to hear.
Plants Count
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In this activity, learners put on their naturalist hats and explore the world around them.
Speedy Shelter
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In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.