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In this activity (on page 2 of the PDF), the learner places a golf ball between salt water and colored fresh water. The golf ball is not as dense as the saltwater.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners explore how water behaves differently when it comes in contact with "nano sand" and regular sand.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners discover that as the salinity of water increases, the density increases as well. Learners prove this by attempting to float fresh eggs in saltwater and freshwater.

1 cent - $1 per group Ages 6 - 14 5 to 10 minutes
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In this activity, learners sniff out scents hidden in balloons! After investigating, learners discover we sometimes can use another sense (smell) to detect things too small to see.

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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In this chemistry activity, learners use guar gum to make slime. Use this activity to introduce learners to polymers, viscosity, and colloids.

$5 - $10 per group Ages 11 - 18 5 to 10 minutes
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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 demonstration, learners watch as a device drops a ball into a cup without touching the ball or cup, even though the ball and cup are virtually side-by-side.

$10 - $20 per group Ages 11 - 18 5 to 10 minutes
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In this quick and easy activity and/or demonstration, learners use two empty 2-liter bottles and hot tap water to illustrate the effect of heat on pressure.

free Ages 6 - 18 5 to 10 minutes
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In the kitchen, learners can perform their own density investigation.

1 cent - $1 per student Ages 8 - 14 5 to 10 minutes
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In this activity, learners follow a recipe to make hollandaise sauce. Learners discover how cooks use egg yolks to blend oil and water together into a smooth mix.

$1 - $5 per group Ages 6 - 14 5 to 10 minutes
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Learners observe a sealed test tube containing a small amount of solid stearic acid.

$5 - $10 per group Ages 11 - 18 5 to 10 minutes
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In this activity, learners touch supercooled water drops with an ice crystal and trigger the water drops to freeze instantly.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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In this activity, learners discover how a super-absorbing material can be used to move a straw.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes
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In this chemistry demonstration, learners investigate the factors that increase the rate of dissolution for a solid.

1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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With a coffee filter, a black marker, and a cup of water, discover the secret colors hidden in black ink.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this activity, learners explore the forces at work in water. Learners experiment to find out what happens to pepper in water when they touch it with bar soap and liquid detergent.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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Learners experiment with a commercially available liquid-crystal coaster. They warm the material with their hands for varying lengths of time and observe the changing colors that result.

$5 - $10 per group Ages 4 - 14 5 to 10 minutes
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This activity/demo introduces learners to aerogel, a glass nanofoam. Learners discover how aerogel is made and how well it insulates as well as learn about aerogel's other unique properties.

Over $20 per group Ages 6 - adult 5 to 10 minutes
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In this chemistry activity, learners observe a combustion reaction and deduce the components necessary for the reaction to occur.

1 cent - $1 per group Ages 11 - 18 5 to 10 minutes
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In this chemistry activity, learners use spaghetti to explore density and chemical reactions.

$1 - $5 per group Ages 6 - 18 5 to 10 minutes