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In this activity, learners make a 3-D model of magnetic fields by inserting a small, strong magnet into a sphere.

$1 - $5 per student Ages 8 - 14 5 to 10 minutes
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In this hands-on and feet-on excursion, learners take a science walk to visualize the planet's immense size and numerous structures, without the usual scale and ratio dimensions found in most textbook

1 cent - $1 per group Ages 11 - 18 45 to 60 minutes
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In this technology activity, learners explore digital imaging and pixels. Learners "transmit" an image to a partner by creating an image on grid paper.

1 cent - $1 per group Ages 8 - 14 45 to 60 minutes
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In this 6-7 day investigation, learners begin with an introduction to seamounts that are present in the Gulf of Alaska.

$5 - $10 per group Ages 11 - 14 1 to 7 days
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Build a hydrometer (measures the density of a liquid) using a pipet or eyedropper.

1 cent - $1 per student Ages 8 - 18 5 to 10 minutes
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In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.

$1 - $5 per group Ages 6 - 14 2 to 4 hours
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In this edible experiment, learners pour "Magic Shell" chocolate into a glass of cold water. They'll observe as pillow shaped structures form, which resemble lavas on the sea floor.

$1 - $5 per student Ages 8 - 18 5 to 10 minutes
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In this activity, learners will explore what a constellation is and make their own.

1 cent - $1 per student Ages 4 - 14 5 to 10 minutes
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In this quick activity, learners break the tension that happens when water develops a "skin." Learners use water, pepper and some soap to discover the wonders of surface tension—the force that attract

$1 - $5 per student Ages 6 - 11 5 to 10 minutes
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In this game, learners take turns guessing toy animals from around their house based on the toy's characteristics.

free Ages 4 - 11 10 to 30 minutes
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In this activity, learners use a model for how fishing affects marine life populations, and will construct explanations for one of the reasons why fish populations are declining.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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Learners complete two simple experiments to prove the existence of air and air pressure which surround us.

1 cent - $1 per group Ages 8 - 11 5 to 10 minutes
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In this activity (on pages 11-12 of PDF) learners create models of lava layers that have formed on the moon.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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Learners model the ocean currents that carry hot water from the tropics to northern latitudes.

$1 - $5 per group Ages 8 - 11 10 to 30 minutes
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Learners add acid rain (nitric acid) to two cups that represent lakes. One cup contains limestone gravel and the other contains granite gravel.

1 cent - $1 per group Ages 14 - adult 5 to 10 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 use simple materials to build their own compass.

$1 - $5 per student Ages 8 - 14 10 to 30 minutes
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In this data collection activity about crabs, learners use data from the Virginia Institute of Marine Science (VIMS) trawl survey to determine the areas of the Chesapeake Bay that are being used by bl

$1 - $5 per group Ages 14 - 18 1 to 2 hours
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In this water activity, learners build boats that float and sink. First, learners listen to the book, "Who Sank the Boat" and practice making predictions throughout the story.

$5 - $10 per group Ages 4 - 6 45 to 60 minutes
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Learners draw comic-style pictures to show the water cycle. From a starting picture, one learner draws what happens to the water in the next panel, then passes the comic strip to another learner.

1 cent - $1 per group Ages 8 - 11 10 to 30 minutes