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This activity (on page 2) explores how sensing is part of robotics. Learners try tying their shoes with different constraints.

$1 - $5 per student Ages 6 - 18 5 to 10 minutes
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In this activity, learners build a sled kite that models a type of airfoil called a parawing.

$1 - $5 per student Ages 6 - 11 1 to 2 hours
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In this activity, learners try pouring water out of a regular cup and a miniature cup. It’s harder than it sounds! Learners discover that different forces dominate at different size scales.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this activity/demo about piezoelectricity, learners discover how some crystals produce electricity when squeezed.

Over $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity/demo, learners discover how liquid nitrogen cools a creamy mixture at such a rapid rate that it precipitates super fine grained (nano) ice cream.

$5 - $10 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners use chemistry to “self-assemble” gummy shapes. Learners discover that self-assembly is a process by which molecules and cells form themselves into functional structures.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners will become an engineer by designing and engineering a miniature parachute.

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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This is an activity about lung capacity. Learners will measure their own lung capacity using a homemade spirometer.

1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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Space telescopes can offer us better, clearer views of the universe (and of our own planet) than Earth-based telescopes can, but getting these large, delicate pieces of equipment into orbit is tricky.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this activity, learners investigate how inkjet printers produce tiny, precise drops of ink.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners create a colorful bookmark using a super thin layer of nail polish on water. Learners discover that a thin film creates iridescent, rainbow colors.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners will explore coding by arranging words and phrases to create an order of operations in this low tech version of computer programming.

1 cent - $1 per student Ages 6 - 14 30 to 45 minutes
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In "Exploring the Universe: Exoplanet Transits," participants simulate one of the methods scientists use to discover planets orbiting distant stars.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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In this online Flash game, learners will captain a sailing challenge, adjusting boat direction and sails, seeking the way to take greatest advantage of varying wind speeds and directions to catch the

free Ages 6 - 14 5 to 10 minutes
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Learners cut and fold a paper helicopter from the template in this PDF. They practice twirling the helicopter and observe what happens as they modify their tries.

1 cent - $1 per student Ages 4 - 14 10 to 30 minutes
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In this activity, learners make pykrete by freezing a mixture of water and a material like cotton wool, grass, hair, shredded paper, wood chips, or sawdust.

1 cent - $1 per student Ages 4 - adult 4 to 24 hours
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Learners compare the properties of two balls that appear identical. One ball bounces, while the other ball "thuds." The “bounce” ball is made of the polymer polybutadiene (-C4H4-).

Over $20 per group Ages 6 - adult Under 5 minutes
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In this activity (located on page 6 of the PDF), learners explore the ways people access water in their homes.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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Make a kite out of a garbage bag, shower curtain, painting tarp--anything light, thin, flexible and plastic!

1 cent - $1 per student Ages 6 - 14 45 to 60 minutes
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In this activity (on pages 4-5), learners make fake snow by adding water to the super-absorbant chemical from diapers, sodium polyacrylate.

1 cent - $1 per group Ages 6 - adult 10 to 30 minutes