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In this physics activity (page 8 of the PDF), learners will explore the property of density.

$5 - $10 per group Ages 6 - 11 10 to 30 minutes
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In this activity, learners make a solar oven. Learners witness the awesome power of the sun to make a yummy treat--a chocolate chip cookie!

$10 - $20 per group Ages 6 - 11 30 to 45 minutes
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On an airplane trip, learners have an opportunity to investigate the properties of air pressure at different altitudes.

free Ages 6 - 14 30 to 45 minutes
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In this activity, learners observe what would happen to their bodies if they went to outer space without a space suit.

$1 - $5 per student Ages 6 - 14 10 to 30 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 a paper model of a polymer, then make Silly Putty, an actual polymer.

$1 - $5 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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Play keep away from your cat by using a static charge to suspend a piece of tinsel in the air. This Exploratorium produced activity also features videos to help create and learn about this phenomenon.

1 cent - $1 per student Ages 6 - 14 5 to 10 minutes
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Perform this classic inertia demonstration to illustrate the transfer of potential energy to kinetic energy.

$1 - $5 per group Ages 6 - 18 Under 5 minutes
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Find out what it would be like to have ears shaped differently from your own! Design and make different animal ears then try them out.

1 cent - $1 per student Ages 4 - 11 5 to 10 minutes
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Learn about friction and kinetic energy with this cool spinning toy.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners engineer a flying glider using paper hoops and a drinking straw.

1 cent - $1 per student Ages 6 - 11 10 to 30 minutes
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In this activity, learners explore the possibilities of clay as a natural material.

$5 - $10 per group Ages 4 - 11 30 to 45 minutes
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"Sublimation Bubbles" allows learners to explore how some solid materials, such as dry ice, can phase change directly from their solid to gaseous form.

Over $20 per group Ages 6 - adult 5 to 10 minutes
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"What's in the Water" lets participants use tools to solve the mystery- what chemicals and compounds are in a sample of water?

Over $20 per group Ages 6 - adult 5 to 10 minutes
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In this activity, learners will make their own "ball bearing" with two jar lids, marbles, and some household supplies.

$1 - $5 per student Ages 6 - 11 10 to 30 minutes
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In this activity about camouflage, learners create a model that shows how a flounder is able to blend into a variety of environments.

1 cent - $1 per student Ages 6 - 11 30 to 45 minutes
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In this activity, learners build a kite out of paper, change it, and try to make it fly even better. With their new knowledge of kite making, students can then go on to create their own kite designs.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this activity, learners make a foam packing peanut "flink"--neither float away nor sink--in water. Learners experiment with materials to make a Flinker that "flinks" for 10 seconds.

1 cent - $1 per student Ages 6 - 11 5 to 10 minutes
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In this activity about magnetism (page 11 of the pdf), learners will experiment with magnets to explore how opposite poles attract and similar poles repel in magnetism.

$1 - $5 per group Ages 6 - 11 30 to 45 minutes