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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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In this activity, learners receive a labeled plastic film canister containing a material representing a pollutant (i.e. pencil shavings = a beaver's wood chips).

$10 - $20 per group Ages 8 - 18 45 to 60 minutes
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In this water pollution activity, learners create pond water cultures and investigate the effects of adding chemicals or natural nutrients.

$5 - $10 per group Ages 8 - 14 1 to 7 days
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In this physics activity (page 10 of the PDF), learners will explore how energy from moving water can be used.

$1 - $5 per group Ages 6 - 14 30 to 45 minutes
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This is an activity (located on page 3 of the PDF under Water Clean-up Activity) about the use of reduction agents to decontaminate ground water.

$10 - $20 per group Ages 8 - 14 2 to 4 hours
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This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this outdoor activity, learners simulate an oil spill using popcorn (both oil and popcorn float on water), and estimate the spill's impact on the environment.

$10 - $20 per group Ages 8 - 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 hands-on activity, learners will construct a scuba diver that can float in order to explore how sea creatures stay neutrally buoyant in the ocean and to see what kinds of forces might be influ

$5 - $10 per group Ages 11 - 14 30 to 45 minutes
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In this activity, learners consider how oil spills behave in the ocean and what impact they have on marine wildlife.

$10 - $20 per group Ages 11 - 14
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This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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In this activity (on page 14 of PDF), learners use a pan full of flour and some rocks to create a moonscape.

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In this experiment, learners examine the way oil affects bird feathers and test different cleanup methods to find out which works best.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore how wind tunnels provide feedback to engineers about the performance and durability of products such as planes, cars, and buildings.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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Learners will explore the scientific mystery behind a disappearing group of trees by examining data and attempting to explain the decline.

1 cent - $1 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners investigate the food, water, and space needs of common livestock animals.

free Ages 8 - 18 45 to 60 minutes