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In this activity, learners use chocolate to explore how the Sun transfers heat to the Earth through radiation.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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This is a highly visual demonstration that illustrates both the effects of density and chemical reactions.

$1 - $5 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners make optical fibers out of strips of gelatin.

$1 - $5 per group Ages 8 - 14 2 to 4 hours
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In this activity, learners use detergent solution to compare two solutions containing vinegar and cream of tartar.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore a bucket of sand and beach objects.

$1 - $5 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners explore how packaging engineers develop customized shipping and packaging containers to meet the needs of many different industries.

$5 - $10 per group Ages 8 - 18 1 to 7 days
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Many germs spread by our hands, and often times, people don't wash their hands well enough to get rid of germs.

$1 - $5 per group Ages 6 - adult 5 to 10 minutes
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This activity (on page 3 of the PDF under GPS: Body Electricity Activity) is a full inquiry investigation into conductivity.

$5 - $10 per student Ages 8 - 14 1 to 2 hours
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Learners carefully look at four known household crystals.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners discover how gelatin can be used as a medium for drug delivery. Learners create colored gelatin and then cut out pieces of the gelatin to simulate medicine (pills).

$1 - $5 per group Ages 8 - 18 4 to 24 hours
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Each learner chews a piece of gum until it loses its flavor, and then leaves the gum to dry for several days.

$1 - $5 per group Ages 11 - 14 2 to 4 hours
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In this outdoor fall activity, learners find out what living in or under a layer of leaves is like.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners explore how engineers have met the challenge of keeping foods, liquids, and other items cool.

$10 - $20 per group Ages 8 - 18 1 to 2 hours
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In this activity, learners explore the different salinities of various sources of water by taste-testing.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this kitchen chemistry activity, learners explore the chemistry of crystals by making sugar crystals, consider a common chemical reaction type responsible for the rising of muffins and cake in the

$5 - $10 per group Ages 8 - 14 1 to 7 days
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In this activity on page 7 of the PDF, learners investigate the solubility of gas in water at different temperatures. This experiment will help learners determine if temperature affects solubility.

$1 - $5 per student Ages 8 - 14 45 to 60 minutes
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In this activity, learners use two different techniques to estimate how many little things fit into one bigger thing.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.

$1 - $5 per student Ages 6 - 14 1 to 2 hours
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In this math lesson, learners apply the concepts of ratio and proportion to the capture-recapture statistical procedure.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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This lesson focuses on how nanotechnology has impacted our society and how engineers have learned to explore the world at the nanoscale.

$1 - $5 per group Ages 8 - 14 1 to 2 hours