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In this activity, learners make self-assembled polymer spheres.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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This activity is designed to accompany the PBS documentary about African-American chemist "Percy Julian: Forgotten Genius." Learners look through two cups with small holes in them to simulate what it'

1 cent - $1 per group Ages 6 - adult 5 to 10 minutes
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In this activity, learners describe an object they can’t see. After someone picks outs a few mystery objects and places them in a pillowcase, learners will investigate using only their hands.

$5 - $10 per group Ages 4 - adult 10 to 30 minutes
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This activity guide includes instructions for building a spectroscope using a standard classroom overhead projector.

Over $20 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners construct cars that are powered by hand-made, electric propellers.

$5 - $10 per student Ages 8 - 18 1 to 2 hours
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In this activity (page 10 of the PDF) learners will explore the historical progression of siege weapons to gain an understanding of how the addition and modification of parts can change the efficiency

free Ages 14 - 18 2 to 4 hours
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In this activity, learners string a line across the room and build cable cars that can move from on end to the other.

$1 - $5 per student Ages 8 - 18 45 to 60 minutes
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In this activity, learners build unique yo-yos, which spin round and round without moving up and down.

$1 - $5 per student Ages 11 - 18 45 to 60 minutes
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Learners use Benedict’s solution and heat to test for the presence of simple sugars in glucose, sucrose, starch, and starch combined with amylase.

$5 - $10 per group Ages 11 - adult 10 to 30 minutes
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In this fun sticker activity, learners will create a size wheel with images of objects of different size, from macroscopic scale (like an ant) to nanoscale (like DNA).

1 cent - $1 per student Ages 6 - 18 10 to 30 minutes
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In this activity, learners investigate what happens when you build up static electricity on plastic balls.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners use the design thinking process to design and build their own aqueduct, or water bridge.

$5 - $10 per group Ages 6 - 18 30 to 45 minutes
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In this activity, learners explore how the application of nano-sized particles or coatings can change a bigger material’s properties.

Over $20 per group Ages 4 - adult 10 to 30 minutes
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MarsBound! is an engineering simulation activity in which learners use realistic techniques to plan a mission to Mars.

free Ages 8 - 18 2 to 4 hours
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This is an activity in which learners will find that they can detect differences in concentration better with their nose (smelling) than with their eyes (seeing).

$5 - $10 per group Ages 4 - adult 5 to 10 minutes
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Water treatment on a large scale enables the supply of clean drinking water to communities.

$5 - $10 per group Ages 11 - adult 45 to 60 minutes
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Learners experiment with a piece of Silly Putty® by stretching, bouncing, and snapping it. They then create flubber, a similar substance, by mixing diluted glue and a solution of sodium borate.

$1 - $5 per group Ages 6 - adult Under 5 minutes
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In this math activity related to light, learners assemble a photometer and use it to estimate the power output of the Sun.

1 cent - $1 per student Ages 14 - 18 10 to 30 minutes
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In this activity, learners create a necklace of wheat germ DNA. Learners add alcohol to wheat germ so that the DNA clumps together.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners use simple tools to build a bookshelf with a built-in bookend.

$5 - $10 per student Ages 11 - 18 1 to 2 hours