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In this activity, learners use a compass, powerful magnet, and copper magnet wire to build a special generator known as a dynamo.

$5 - $10 per group Ages 11 - 14 45 to 60 minutes
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In this activity, groups of learners work together to create edible models of chemicals involved in autotrophic nutrition.

$5 - $10 per group Ages 14 - 18 1 to 2 hours
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In this interactive and informative group activity, learners use packages of M&M's to illustrate the difference between weather and climate.

$1 - $5 per group Ages 8 - 14 10 to 30 minutes
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In this activity (located on page 3 of the PDF), learners investigate the way water moves and how we can control and direct water.

$5 - $10 per group Ages 4 - 8 45 to 60 minutes
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In this quick activity (located on page 2 of the PDF under GPS Wetlands Activity), learners will model how wetlands act as natural filters for the environment.

$5 - $10 per group Ages 8 - 14 10 to 30 minutes
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This activity (located on page 3 of the PDF under GPS: Glaciers Activity) is a full inquiry investigation about the different causes of glacial melt.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this goopy activity (page 2 of PDF under GPS: Glaciers Activity), learners will model glacial movement with “gak,” a white glue and liquid starch mixture.

Over $20 per group Ages 8 - 14 10 to 30 minutes
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This activity (located on page 8 of the PDF) introduces learners to the concept of Non-point Source Pollution--what happens when rain washes garbage and other pollutants into rivers and lakes.

$5 - $10 per group Ages 6 - 11 5 to 10 minutes
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In this two-part activity, learners work in pairs to examine the four basic stages of a turbine engine.

Over $20 per group Ages 11 - 14 45 to 60 minutes
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In this activity, learners set up an experiment to investigate the effects of hot air on the path of a laser beam.

$1 - $5 per group Ages 14 - 18 45 to 60 minutes
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In this activity, learners model, on a human-sized board game, how changes in water temperature may affect fish distributions and, ultimately, fisheries.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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In this activity, learners construct their own spectroscope as they explore and observe spectra from familiar light sources.

$5 - $10 per group Ages 14 - 18 45 to 60 minutes
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This demonstration/activity helps learners understand why higher elevations are not always warm simply because "hot air rises." Learners use a tire pump to increase the pressure and temperature inside

$1 - $5 per group Ages 8 - 18 10 to 30 minutes
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Learners make a refrigerator that works without electricity. The pot-in-pot refrigerator works by evaporation: a layer of sand is placed between two terra cotta pots and thoroughly soaked with water.

$1 - $5 per group Ages 11 - 14 45 to 60 minutes
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In this two-part activity, learners map a navigation plan to get from Earth to Mars and back. In activity one, learners represent the orbital paths of Earth through dance and dramatic movement.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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This activity provides a hands-on experience with a scale model, a relatively high viscosity fluid, and feeding behaviors.

$5 - $10 per group Ages 8 - 18 30 to 45 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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In this meteorology activity, learners construct simple devices to measure the direction and speed of wind.

$5 - $10 per student Ages 6 - 18 30 to 45 minutes
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In this activity, learners simulate the behavior of the atmosphere.

free Ages 8 - 14 10 to 30 minutes
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Learners gain an intuitive knowledge of the physical aspects of watersheds by creating their own watershed models.

1 cent - $1 per group Ages 8 - 11 45 to 60 minutes