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    Twin Cities Public Television
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    In this activity related to rotational inertia (page 1 of the PDF), learners will use a bit of scientific experimenting to test if open-faced peanut butter sandwiches really do always land peanut...

    $1 - $5 per group Ages 8 - 14 10 to 30 minutes
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    The Exploratorium
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    In this activity, learners use a laser pointer and two small rotating mirrors to create a variety of fascinating patterns, which can be easily and dramatically projected on a wall or screen. In...

    Over $20 per group Ages 11 - 18 1 to 2 hours
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    Astronomical Society of the Pacific
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    This fun and simple hands-on astronomy activity lets learners make 3-dimensional models of the Earth and Moon. Using the Sun's light, learners will discover that the Moon rotates in the same...

    $5 - $10 per group Ages 6 - adult 10 to 30 minutes
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    Science Museum of Minnesota
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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. A related video show...

    1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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    Colorado State University
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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. This...

    free Ages 8 - 14 10 to 30 minutes
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    NASA
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    Through a series of simple body movements, learners gain insight into the relationship between time and astronomical motions of Earth (rotation about its axis, and orbit around the Sun), and also...

    $5 - $10 per group Ages 11 - adult 2 to 4 hours
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    Community Science Workshop Network
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    In this activity (posted on April 18, 2011), learners follow the steps to construct a zoetrope, a device that produces an illusion of action from a rapid succession of static pictures, using a 16...

    Over $20 per group Ages 8 - 18 1 to 2 hours
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    The Exploratorium
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    In this activity, learners discover how to rotate a flat shape into the third dimension. Learners draw and cut out a shape that has at least one straight edge on an index card. Learners use this...

    1 cent - $1 per student Ages 8 - 11 30 to 45 minutes
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    The Exploratorium
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    In this group activity, learners make multi-sided polygons with string. Learners slide a long piece of string through their fingers to make different kinds of triangles (isosceles, right,...

    1 cent - $1 per group Ages 8 - 11 30 to 45 minutes
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    The Exploratorium
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    In this activity, learners design unique tiles and make repeating patterns to create tessellations. This activity combines the creativity of an art project with the challenge of solving a puzzle....

    1 cent - $1 per student Ages 11 - 14 1 to 2 hours

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