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Echo Base Bobsleds
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The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.

Marshmallow Puff Tube
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In this demonstration/activity, learners observe as a regular size marshmallow is blown through a tube made from a manila file folder.

Take an Egg for a Spin
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This is an activity about friction as well as kinetic and potential energy.

Over the Hill
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In this physics activity, learners construct a small-scale version of a classic carnival game.

Ships Ahoy!
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The goal of this activity is to design the fastest sailboat or one that carries the most treasure.

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.
Magnus Glider
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A design challenge that takes paper airplanes into an entirely different direction: a magnus glider uses cups and and rubber bands to create a glider that uses the same forces that a curveball (from b