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Circuit Game
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In this activity, learners build a game that tests their steadiness. Learners construct the game board by setting up an electrical circuit and a wand.
Carousel Pump
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In this activity, learners build a carousel toy that spins when pushed down.
Creepy Crawlers
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Trick your family and friends with this creepy crawler that moves up and down. In this activity, learners construct a circuit and motor device that will move a homemade spider in a spooky way.
Flat Flashlight
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In this activity, learners build a tiny but powerful flashlight out of simple materials. Use this activity to introduce learners to electrical circuits and conductivity.
Magnetic Marble Run
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Learners explore magnetism and motion as they build a simple marble run. Learners test different arrangements of plastic and cardboard tubes, bottles, and cups on a magnetic board.
Hand Spin Helicopter
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In this activity, learners build helicopters and launchers using wooden dowels and scrap paper. Use this activity to explore rotational motion and kinetic and potential energy.
Camera Projector
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In this activity (posted on March 14, 2011), learners follow the steps to construct a camera projector to explore lenses and refraction.
Trip Wire
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In this activity, learners build simple alarms that they can attach to anything, such as a drawer or doorway. This activity introduces learners to electricity, circuits, and currents.
Motor Bird
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In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.
Personal Fan
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Cool off in the heat with this project! Learners use simple materials to build a fan that runs on a motor.
Periscope
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In this activity, learners construct a device that allows them to look over ledges or around corners.
Stomp Rocket
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In this activity, learners build rockets and shoot them into the air by stomping on the plastic bottle launchers.
Forward-Reverse Switch
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In this activity, learners build a switch to turn electrical circuits on and off.
Sound Automata
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In this activity, learners build their own sound machines and explore the interplay of motion and sound.
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.
Stroboscope
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In this activity (posted on March 20, 2011), learners follow the steps to construct a stroboscope, a device that exploits the persistence of vision to make moving objects appear slow or stationary.
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.
Bookshelf
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In this activity, learners use simple tools to build a bookshelf with a built-in bookend.