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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.

Robot Hands
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This activity (on page 2) explores how sensing is part of robotics. Learners try tying their shoes with different constraints.

Hoop Glider
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In this activity, learners engineer a flying glider using paper hoops and a drinking straw.

Balloon Car
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In this physics activity, challenge learners to make and race a balloon-powered car. Learners construct the body out of a paper cup, wheels out of wooden spools. and fuel tank out of a balloon.

Pencil Balance
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In this activity, challenge learners to make a pencil stand on its tip using only two pieces of wire and two clothespins. Use this activity to demonstrate the center of gravity.

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.

All Wound Up
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In this activity, learners build a racecar using only a rubber band, spool, straw, and paper clip! This racer is a classic toy that zips across a flat surface.

Float My Boat
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In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

Micro Automata
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In this activity, learners build small animated toys that move.

Lever Cowboy
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In this activity, learners build a figure that moves and "comes to life" when they pull its string.

Rocket Pinwheel
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This is an activity about motion, power, air and Newton’s Third Law of Motion, which states that for every action there is an equal and opposite reaction.

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.

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.

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.

Make and Fly a Helicopter
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Learners follow the template to build and fly a paper helicopter.

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.

Thrill Ride
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In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc.

Puff Mobile
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In this engineering activity, challenge learners to design a car using only 3 straws, 4 Lifesavers™, 1 piece of paper, 2 paper clips, tape, and scissors.