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Geometry Construction: Polyhedral Playthings
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In this activity, learners create 3D geometric shapes using straws and pipe cleaners.
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Wind Tunnel
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Scientists use enormous wind tunnels to test the design of planes, helicopters, even the Space Shuttle.
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Fly a Hot-Air Balloon
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Learners assemble a hot-air balloon from tissue paper. The heated air (from a heat gun) inside the balloon is less dense than the surrounding air and causes the balloon to float.
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Origami Flying Disk
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In this three-part activity, learners use paper to explore Bernoulli's Principle — fast-moving air has lower pressure than non-moving air.
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Scribbling Machines
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In this activity, learners explore electronics and motion by making a Scribbling Machine, a motorized contraption that moves in unusual ways and leaves a mark to trace its path.
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Luminescence
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In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.
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Rollin’ Rollin' Rollin'
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In this physics activity (page 12 of the PDF), learners explore potential and kinetic energy by rolling different sized marbles down an inclined plane.
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Skateboard Disaster
Learners examine collisions between two skateboards carrying different masses. They learn about conservation of momentum in collisions.
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Balancing Sculptures
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In this activity, learners will use a variety of household and/or natural objects to design a sculpture that balances from a single point.
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Paper Airplanes
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In this activity, learners explore the properties of paper by constructing and modifying paper airplanes.
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Motorized Balancing Toy
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In this activity, learners build a toy that flies in circles. This activity introduces learners to center of mass, torque, and rotational motion.
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Echo Base Bobsleds
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The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.
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Vortex
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In this activity, learners create a tornado in a bottle to observe a spiraling, funnel-shaped vortex. A simple connector device allows water to drain from a 2-liter bottle into a second bottle.
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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.
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Anti-Gravity Cups
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In this activity, learners will use simple materials to explore centripetal force and variables by swinging a cup of water without having the water spill out.
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Simple Spinner
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In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in action.
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Parachute Parade
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In this engineering activity, learners design parachutes to give toy figures safe landings. This activity is great for practicing an important STEM skill--changing only one variable at a time.
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Benham's Disk
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In this activity, learners make a Benham Top to explore visual illusions and optics.
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Cup Draw
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In this activity, learners construct drawing machines using a cup, some markers, and a cricket to control the movement. A programmed LEGO RCX or Cricket is required for this high-tech version.
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Shake and Match
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In this activity, learners create a hearing based memory game that they can share with friends.