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Showing results 21 to 40 of 65
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.
Rubber Band Racer
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In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.
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.
Paddle Boat
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In this activity, learners build an old-fashioned paddle boat out of simple materials.
Glider
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In this activity, learners construct a paper glider to experiment with aerodynamic forces.
Speedboat
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In this activity, learners build a speedboat using paint paddles, a propeller, and film canister. Learners attach a simple circuit and motor to the boat to power the propellers.
Handheld Water Bottle Rocket & Launcher
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In this activity, learners build handheld rockets and launchers out of PVC pipes and plastic bottles. Use this activity to demonstrate acceleration, air pressure, and Newton's Laws of Motion.
Catapult
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In this activity, learners build mini catapults using paint paddles and a spoon. Use this activity to introduce learners to forces and projectile motion.
Wind Tube
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In this activity, learners explore moving air and the physics of lift and drag by constructing homemade wind tunnels.
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.
Wonderful Weather
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In this activity, learners conduct three experiments to examine temperature, the different stages of the water cycle, and how convection creates wind.
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.
Woodpecker
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In this activity, learners construct a traditional handicraft toy that illustrates a motion commonly associated with violins and earthquakes.
Cranking Bird
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In this activity, learners build a mini crank machine to make a bird "fly." This engineering activity introduces learners to automata, rotational motion, cranks and cams.
Sound Automata
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In this activity, learners build their own sound machines and explore the interplay of motion and sound.
Spinning Illusions
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In this activity, learners construct three optical illusion toys to examine how our brains play tricks on what we see.
Bike Wheel Zoetrope
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In this activity (posted on April 18, 2011), learners follow the steps to construct a zoetrope, a device that produces an illusion of action from a rapid succession of static pictures, using a 16" bik