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Catapult
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Build a catapult that transforms the potential energy of a twisted rubber band into kinetic energy. Experiment with design variations so that you can hit a target with a projectile.
The Thousand-Yard Model
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This is a classic exercise for visualizing the scale of the Solar System.
Magnetic Free Fall
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In this activity, learners use a pencil, magnets, and mat board to illustrate Newton's Second Law.
Build A Hydrometer
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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.
Center of Gravity
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A simple, yet fun activity that lets learners find the center of balance of a ruler (or any long thin object). Developed by the Exploratorium and no assembly needed.