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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.

Marble Drop Game
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Build your own version of a favorite carnival game, in which a marble races down a maze consisting of rows of nails.

Doughy Physics
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Learners drop two different masses of play dough and observe how long it takes them to hit the ground.

Swinging Yo-Yo
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Learners build a pendulum from a yo-yo, and then design their own experiment to determine what affects the pendulum's period of swing.

Paper Airplane Contest
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In this fun physics activity (page 9 of the pdf), learners take part in a paper airplane design challenge.

Chain Reaction II
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In this hands-on activity, learners use an assortment of (mainly household) items to complete Rube Goldberg-type challenges.

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.

Pulleys and Force
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In this activity, learners explore the concept of force and how pulleys are used in everyday life to make work easier.

Anti-Gravity Chamber
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In this activity, learners will use magnets and household items to create a structure that allows paperclips to appear like they are floating.

Egg Bungee
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Learners attach an egg to a rubber-band bungee cord and drop the egg.

Raceways
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In this activity, learners build a model roller coaster to help the Mummy entertain the Atom's Family monsters. Learners assemble the roller coaster between two chairs using vinyl ceiling molding.

Marble Ride
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In this activity, challenge learners to design a roller coaster ride for a marble using cardboard and other simple materials.

Trebuchet Toss
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In this activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials.

Magnetic Seesaw
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In this activity, learners build a seesaw powered by magnets.

Water Rocket Launch
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In this activity, learners explore rocketry and the principals of space flight.

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.

Tower of Coins
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In this physics activity, challenge learners to remove the bottom coin of a stack of nickels without knocking over the stack. Use this activity to demonstrate friction.

Give Me a Brake
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In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.

All About Air
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In this activity, learners with explore the gases present in air. They will then build their own wind cannons and challenge family and friends to a friendly competition.