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Showing results 21 to 32 of 32
Rutherford Roller
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In this activity, learners make a black box device that serves as an excellent analogy to Rutherford's famous experiment in which he deduced the existence of the atomic nucleus.
Rocket Wind Tunnel
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In this activity, learners evaluate the potential performance of air rockets placed inside a wind tunnel.
Our Sense of Sight: How We Perceive Movement, Depth and Illusions
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In this activity, learners investigate visual perception as well as plan and conduct their own experiments.
Geometry Construction: Polyhedral Playthings
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In this activity, learners create 3D geometric shapes using straws and pipe cleaners.
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.
Paper Tape Motion Timer
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In this activity, learners build a recording timer made from simple materials (e.g., small dc motor, sharpie pen, craft sticks, adding machine paper tape, etc.).
Super Spinners
Learners build at least two different spinners (tops) to investigate how mass distribution, size, and shape affect the length of time the spinner spins.
Airboat
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In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.
Engineering Ups and Downs
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In this activity, learners explore the engineering and principles behind working elevators.
Propeller-Powered Car
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In this activity, learners construct cars that are powered by hand-made, electric propellers.
Cable Car
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In this activity, learners string a line across the room and build cable cars that can move from on end to the other.
Interactive Gumball Machine
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In this activity, learners review the history of gumball machines and explore potential and kinetic energy, while working in teams to build a gumball slide.