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Why are Compact Fluorescent Bulbs More Efficient?
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In this activity, learners explore the relative efficiency of different bulbs, specifically incandescent vs. fluorescent.
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Over the Hill
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In this physics activity, learners construct a small-scale version of a classic carnival game.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-613.gif?itok=8HktbkCh)
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.
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Resource Hunt
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In this activity, learners explore nonrenewable resources and learn why these resources are finite.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-233.jpg?itok=Z9DOcBkL)
Rollin’ Rollin' Rollin'
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In this physics activity (page 12 of the PDF), learners explore potential and kinetic energy by rolling different sized marbles down an inclined plane.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-311.png?itok=eLvje9Ex)
Spool Racer
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In this physics activity, challenge learners to make a rubber band-powered spool racer. Demonstrate principles of motion as well as potential and kinetic energy.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-789.gif?itok=Zb9iKgIG)
Wilberforce Pendulum
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In this activity, learners build a Wilberforce Pendulum, a special coupled pendulum in which energy is transferred between two modes of vibration, longitudinal ("bounce') and torsional ("twist"), on a
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-227.jpg?itok=0xRQ6Val)
Chirping Bird
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In this activity, learners build a cuica or chirping bird using straw, string, and a bottle cap. Use this activity to explore the interplay of motion and sound.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-322.png?itok=Tw0BruBN)
Can Car
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In this physics activity, challenge learners to make a race-car out of a coffee can and rubber band. Demonstrate motion, forces, kinetic and potential energy and friction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-389.jpg?itok=57PG85DM)
Build a Roller Coaster
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Learners design and build a roller coaster using simple materials. Learners experiment with potential and kinetic energy to get a marble to follow a track into a cup.