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Showing results 21 to 27 of 27

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Learners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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In this chemistry lab activity, learners model the colors of fireworks by burning metallic solutions in a flame and observing the different colors produced.

$5 - $10 per group Ages 14 - adult Under 5 minutes
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Learners mix a solution containing luminol and copper with a fake blood solution. A chemical reaction between the luminol solution and fake blood (hydrogen peroxide) show learners a blue glow.

$1 - $5 per group Ages 11 - adult 5 to 10 minutes
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This is an activity (located on page 3 of the PDF under Stained Glass Activity) about nanotechnology making its way into everyday products, such as sunscreen, and how effective these invisible particl

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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Learners observe two model atmospheres -- one with normal atmospheric composition and another with an elevated concentration of carbon dioxide.

$5 - $10 per group Ages 14 - 18 45 to 60 minutes
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Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).

Over $20 per group Ages 4 - 14 10 to 30 minutes
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In this astrobiology activity (on page 11 of the PDF), learners consider what organisms need in order to live (water, nutrients, and energy).

Over $20 per group Ages 8 - 18 1 to 4 weeks