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Building an Army
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In this activity, learners explore the potential of interchangeable standard parts to create a large number of unique creations in different combinations.
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The Senses of "Unknown Creatures"
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In this activity, learners use earthworms as "unknown creatures" from the South American jungle to find out how animals use senses.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-174.jpg?itok=ZZ6_KJX-)
Outbreak!: Investigating Epidemics
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A group of learners simulates the spread of disease by trading slips of paper, one set of which has been treated with a baking soda solution.
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Lift Experiment
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In this experiment, learners investigate how the size of a wing affects lift. Learners count the number of pennies an egg crate plane wing can hold until the plane will no longer fly.
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Minibot
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In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.
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The Variety and Roles of Microbes
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In this activity, learners use sets of cards to assign microorganisms to different groups.
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Solar Flip Book
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In this activity, learners make a flip book that shows the progression of two solar events on reversible sides of the flip book.
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Mystery of the Disappearing Cottonwoods
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Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.
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No-Slip Grip
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In this physical sciences activity, learners explore friction. Learners investigate the factors that affect the force required to move an object.