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Paper Airplanes
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In this activity, learners explore the properties of paper by constructing and modifying paper airplanes.

Loony Balloons
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In this activity, learners investigate how changing the center of gravity of a balloon affects how it travels. Learners fill a balloon with a little bit of water and insert into an empty balloon.

You're Grounded
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In this engineering activity, learners test the stability of towers they build out of cups, discovering that structures with more mass in the base are more stable.

Balancing Stick
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In this quick and simple activity, learners explore how the distribution of the mass of an object determines the position of its center of gravity, its angular momentum, and your ability to balance it

Fork it Over
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This is an activity about center of gravity. Learners will balance a fork on a glass by finding its center of gravity.

A Stand-up Egg
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In this science trick, learners get an egg to stand-up on its long-axis vertical to a table's top.

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.