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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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In this outdoor beach activity, learners use a variety of "beaks" (such as trowels, spoons or sticks) to hunt for organisms that shore birds might eat.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes
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In this activity, learners make models representing bones on Earth and bones that have been in space. They discover what happens to bones without proper exercise and nutrition.

$1 - $5 per student Ages 8 - 14 5 to 10 minutes
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In this activity, learners investigate various appliances and electronics, discovering how much energy each uses and how much carbon dioxide (CO2) is released to produce that energy.

Over $20 per group Ages 11 - 18 1 to 2 hours
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In this online Flash game, learners will explore a coral reef using an underwater remotely operated vehicle (ROV).

free Ages 6 - 14 5 to 10 minutes
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Learners build a simple aneroid barometer to learn about changes in barometric pressure and weather forecasting. They observe their barometer and record data over a period of days.

$1 - $5 per student Ages 8 - 14 1 to 4 weeks
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Learners conduct a simple experiment to model and explore the harmful effects of acid rain (vinegar) on living (green leaf and eggshell) and non-living (paper clip) objects.

$1 - $5 per group Ages 8 - 14 4 to 24 hours
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In this demonstration, learners observe the effects of density and pressure. A "diver" constructed out of a piece of straw and Blu-Tack will bob inside a bottle filled with water.

1 cent - $1 per group Ages 4 - adult Under 5 minutes
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As a model of acid rain, learners water plants with three different solutions: water only, vinegar only, vinegar-water mixture.

$10 - $20 per group Ages 8 - 14 1 to 4 weeks
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In this environmental education demonstration (page 6 of the PDF), learners will see a tangible representation of the scarcity of soil resources on earth.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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In this activity, learners discuss and investigate how cameras, telescopes, and their own eyes use light in similar ways.

1 cent - $1 per student Ages 11 - 14 45 to 60 minutes
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In this activity, learners simulate what happens to a human spine in space by making Sponge Spool Spines (alternating sponge pieces and spools threaded on a pipe cleaner).

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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In this outdoor archaeology activity, learners use mathematical skills and scientific inquiry to generate and process information from their own excavation site.

$10 - $20 per group Ages 11 - 18 1 to 7 days
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In this activity, learners experiment and observe how the color of materials that cover the Earth affects the amounts of sunlight our planet absorbs.

1 cent - $1 per group Ages 8 - 18 30 to 45 minutes
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In this environmental science activity, learners research what is essential for plant life and the necessary components of soil to support plants.

Over $20 per group Ages 11 - 14 1 to 4 weeks
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In this activity, learners explore how casts of fossilized bones are created and used to learn about dinosaurs. Learners make observations, draw diagrams and share their findings.

Over $20 per group Ages 8 - 11 4 to 24 hours
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In this activity, learners explore how salt water freezes in comparison to fresh water.

1 cent - $1 per group Ages 6 - 14 1 to 2 hours
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In this drawing/mapping activity, learners design plots of land while incorporating positive strategies for improving water quality.

$5 - $10 per group Ages 11 - 14 1 to 2 hours
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In this activity (on pages 13-16 of the PDF) learners investigate three mystery samples to see which one contains life. The three samples are sand, sand and yeast, and sand and antacid.

1 cent - $1 per group Ages 4 - 14 30 to 45 minutes
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In this activity, learners work in small groups to match various marine animals with their different environments.

free Ages 4 - 8 30 to 45 minutes