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Pulleys
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In this physics activity, learners experiment with pulleys and find that they can decrease the effort needed when using a pulley to lift or move different loads.

Sliding and Stuttering
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Learners use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor.

Springs and Stomachs
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In this demonstration, learners investigate mass, gravity, and acceleration by dropping a wooden bar with a balloon attached to its underside, a mass suspended from it by rubber bands, and a sharp-poi

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.

Finger Basketball
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In this activity, learners build mini-basketball courts using cardboard and measuring spoons. Use this activity to introduce learners to catapults, forces, and levers.

Propeller-Powered Car
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In this activity, learners construct cars that are powered by hand-made, electric propellers.

Floating and Falling Flows
Learners create beautiful fluid motion. They explore fluid dynamics, surface tension, solubility, and buoyancy while mixing liquids together.

Rubber Band Boat
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In this activity, learners build styrofoam boats powered by twisted rubber bands.

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.