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In this activity about molecular diffusion (located on page 2 of the PDF under Nanosilver Activity), learners will make predictions and move molecules of iodine through a seemingly solid plastic sandw

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity, learners will examine a variety of seeds, describe them, and determine how they are dispersed.

$1 - $5 per group Ages 14 - 18 2 to 4 hours
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In this data analysis activity, learners use data collected by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) to study Chilean sea bass populations.

$1 - $5 per student Ages 14 - 18 1 to 2 hours
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In this online game, learners must purchase power plants for their city.

free Ages 8 - 11 10 to 30 minutes
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Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.

$1 - $5 Ages 8 - 14 45 to 60 minutes
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This quiz lets you estimate your annual radiation exposure.

free Ages 8 - 18 10 to 30 minutes
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In this activity (on page 12 of the PDF), learners make a sundial (shadow clock) appropriate for their geographic location in the northern hemisphere and use it to tell time.

$1 - $5 per group Ages 8 - 14 1 to 7 days
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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 build particulate matter collectors--devices that collect samples of visible particulates present in polluted air.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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In this nutrition activity (page 26 of PDF), learners consider the nutritional needs of people with specific dietary requirements, such as athletes, persons with diabetes and vegetarians, and create a

free Ages 8 - 14 1 to 2 hours
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In this activity, learners will perform various investigations to understand the vestibular-ocular reflex and learn about the importance of visual cues in maintaining balance.

$1 - $5 per group Ages 8 - 18 45 to 60 minutes
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Learners design their own experiment to investigate how pollution diffuses through ground material.

$1 - $5 per group Ages 11 - 14 30 to 45 minutes
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In this two-part activity, learners investigate buoyancy, density and surface area as well as biodiversity and the relationship between the structure and function of organisms.

Over $20 per group Ages 8 - 18 1 to 2 hours
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Coins are everyday objects which tell a lot about the people who use them.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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In this data activity, learners analyze data from coral reef snapshots taken by scientists at the Virginia Institute of Marine Science.

free Ages 11 - 18 45 to 60 minutes
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In this activity (on page 7), learners explore the meaning of a "carbon sink." Using simple props, learners and/or an educator demonstrate how plants act as carbon sinks and how greenhouse gases cause

free Ages 8 - 14 45 to 60 minutes
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In this activity, learners examine antibodies and antibody recognition using a model.

Over $20 per group Ages 11 - 14 45 to 60 minutes
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This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

free Ages 8 - 18 10 to 30 minutes
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In this delicious activity, learners get to make, taste-test and compare their own "brands" of homemade strawberry ice cream.

$1 - $5 per student Ages 6 - 11 45 to 60 minutes
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In this international citizen science activity, learners measure their night sky brightness and submit their observations into an online database.

free Ages 4 - adult 10 to 30 minutes