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Fill It Up
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Players take turns adding shapes made of three squares to a grid. They try to fit their shapes on the grid in a way that blocks the other player.

Your Age on Other Worlds
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Did you know that you would be a different age if you lived on Mars? It's true!
Soda Pop Can Hero Engine
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In this demonstration/activity, water streaming through holes in the bottom of a suspended soda pop can causes the can to rotate.

Mid-Air Maneuver: Skateboard Science
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To understand how skaters turn in midair, try this little experiment! Individuals can do this activity alone, but it works better with a partner.

Cylindrical Wing
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In this design and physics challenge, learners construct a cylindrical wing, fly it, make modifications, and determine how the changes affect flight patterns.

The Shadow Knows I
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In this activity, learners will measure the length of their shadow from the Sun and compare it three to four months later.

Solar Spin
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A group of learners models the Sun shining on the Earth. By rotating the Earth, they demonstrate how the Sun only shines on a portion of the Earth at a time.

Rotating String Shapes
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In this group activity, learners make multi-sided polygons with string.

Bearings for Your Whirligig
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Experiment with friction and make bearings for a whirligig! This activity is a nice introduction to friction and bearings and demonstrates why bearings are useful for spinning.

Why do Hurricanes go Counterclockwise in the Northern Hemisphere?
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In this kinesthetic activity, learners will play a game with a ball to demonstrate the Coriolis force, which partly explains why hurricanes in the Northern Hemisphere rotate counterclockwise.

Spinning Blackboard
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Create beautiful spirals by drawing a straight line. This sounds crazy, but you can with a turntable (a record player or lazy susan), paper, and pen.

Spinning Cylinder: Make a triangle appear on a spinning wheel
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Spin a short piece of PVC pipe that's been marked up, and watch a triangle appear. Enjoy this optical illusion from the Exploratorium's Science Snack series.