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In this activity, learners walk the sides and interior angles of various polygons drawn on the playground. As they do so, learners practice rotating clockwise 180° and 360°.

1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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Did you know that a Slinky makes a handy model of earthquake waves?

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
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In this activity, learners make a scale model of the Solar System and learn the real definition of "space." Learners use the online calculator to create an appropriate scale to use as a basis for thei

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this seismic simulation, learners play a "who-dunnit" game to explore earthquakes.

free Ages 11 - adult 1 to 2 hours
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In this activity, learners "dance" (move back and forth at varying speeds) by reading a graph. This is a kinesthetic way to help learners interpret and understand how motion is graphed.

1 cent - $1 per group Ages 11 - 18 10 to 30 minutes
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In this activity, learners use their feet to estimate distances. Learners calculate the distance of one step in centimeters by measuring 10 steps at a time to reduce measurement error.

1 cent - $1 per group Ages 11 - 14 10 to 30 minutes
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In this group activity, learners use some common objects and work together to simulate the Coriolis effect. During the challenge, learners make predictions and test different scenarios.

$1 - $5 per group Ages 11 - 18 30 to 45 minutes
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In this activity, learners play a game and use pattern blocks to explore mirror images and reflection.

1 cent - $1 per student Ages 4 - 8 45 to 60 minutes
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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.

free Ages 8 - 18 10 to 30 minutes
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This trick from Exploratorium physicist Paul Doherty lets you add together the bounces of two balls and send one ball flying.

$1 - $5 per group Ages 11 - adult 10 to 30 minutes
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In this activity, learners use cooperation and logical thinking to find solutions to network problems on the playground.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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You may have tried to throw a curveball or a slider, or even a screwball, with an ordinary baseball and found it difficult to do.

1 cent - $1 per student Ages 8 - 18 10 to 30 minutes
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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

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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This activity provides instructions for making an aircraft that can really fly using a straw and paper hoops!

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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When baseball was in its infancy, the ball had plenty of bounce. Today's baseball may not seem to have bounce to it at all; if you drop a ball on the field it won't bounce back.

1 cent - $1 per group Ages 8 - 18 10 to 30 minutes
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In this geometry activity, learners explore networks painted on playgrounds, such as a four square court, and draw their own.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes
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In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment.

$10 - $20 per group Ages 11 - 18 10 to 30 minutes
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In this activity, learners work together to make polygons (many-sided shapes) with string. Learners sit on the floor and hold onto a piece of string slid between their thumbs and index fingers.


1 cent - $1 per group Ages 4 - 8 30 to 45 minutes