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Funny Putty
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In this chemistry activity (page 1 of PDF SciGirls Activity: Milk Carton Boat), learners will create a blob of stretchable funny putty out of a water, borax, and glue mixture.
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Launch It
Add to list DetailsIn this design challenge activity, learners use a balloon and other simple materials to design an air-powered rocket that can hit a distant target.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-277.jpg?itok=X_8_m8P1)
Electric Paddle Boat
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In this activity, learners build an electric two-paddle boat using paint paddles, plastic knives, and empty water bottles.
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Bouncing Balloons
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In this sports-themed engineering activity, learners create super bouncy balls out of balloons. Learners brainstorm, test their designs, and share results.
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Parabola Basketball
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In this activity, learners build mini-basketball courts and explore the laws of physics. Learners discover that everything you throw or shoot on earth travels in a parabola.
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Get-Moving Game
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In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.
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Circuit Board
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Learners make a circuit board that has questions and answers. When the correct answer is chosen for a question, a circuit is completed and a light illuminates.
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Micro Automata
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In this activity, learners build small animated toys that move.
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Hot Air Balloon
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In this activity, learners build a hot air balloon using just a few sheets of tissue paper and a hair dryer.
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Guar Gum Slime
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In this activity, learners create a gelatinous slime using guar gum powder and borax. Educators can use this simple activity to introduce learners to colloids.
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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.
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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.
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Roving on the Moon
Add to list DetailsIn this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-926.jpg?itok=_zBosHkh)
Paddle Power
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In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-189.jpg?itok=JkqUtXVQ)
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.
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Sidewalk Chalk
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In this chemistry activity, learners witness an exothermic reaction, while making their very own, completely usable sidewalk chalk. This is also an excellent activity for exploring color mixing.
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Magnetic Seesaw
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In this activity, learners build a seesaw powered by magnets.
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CD Air Puck
Source Institutions
In this activity, learners will use a compact disc to build an air puck that can glide across a smooth tabletop. The puck glides with almost no friction on a cushion of air escaping from a balloon.
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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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-596.jpg?itok=w7rKDEN5)
Air Cannon
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In this activity (page 1 of PDF under SciGirls Activity: Forecasting), learners will construct an air cannon by cutting a hole in the bottom of a bucket and stretching a garbage bag over the other end