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Design a Microexpression Zoetrope
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In this engineering design challenge, learners animate a facial expression and make a machine (zoetrope) that plays the animation back.
Engineer an Aeolipile
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In this engineering design challenge, learners build an air-powered spinning machine.
River Catcher
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In this activity (located at the top of the page), learners make an easy river strainer and see what they can catch.
Straws and Pins
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In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.
Investigating Ice Worlds
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In this activity about the solar system, learners use various light sources to examine ice with different components to understand how NASA studies planets and moons from space.
Water Cycle in a Bag
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In this activity, learners will explore the water cycle by creating a small atmosphere.
Control a Bird’s Flight
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In this engineering design challenge, learners make a bird and then control its flight with attached strings.
Homemade Rube Goldberg Machine
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In this fun and, at times, hilarious force and motion activity, learners will use household objects to build a crazy contraption and see how far they can get a tennis ball to move.
Prepare for a Construction Zone Field Trip
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In this activity, learners explore work, forces, simple machines, and construction. This lesson guide includes simple ways to demonstrate these principles as well as hands-on activities.