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Test the buoyancy of an aluminum foil boat and an aluminum foil ball. Why does the same material in different shapes sink or float?

1 cent - $1 per student Ages 4 - 11 10 to 30 minutes
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In this activity, learners discover the difficulty of ocean exploration by human beings as they investigate water pressure.

$5 - $10 per group Ages 8 - 11 10 to 30 minutes
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Learners act as engineers and design mini submarines that move in the water like real submarines.

1 cent - $1 per student Ages 8 - 14 10 to 30 minutes
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In this activity, learners will use simple materials to explore centripetal force and variables by swinging a cup of water without having the water spill out.

free Ages 6 - adult 10 to 30 minutes
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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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What causes frost to form on the outside of a cold container? In this activity, learners discover that liquid water can change states and freeze to become ice.

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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Glare from the sun and ripples from the wind can make it hard to see what's below the surface of a body of water.

$5 - $10 per group Ages 6 - adult 10 to 30 minutes
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In this activity, learners discover that they can create a lens from a water drop. Learners test their lens by looking at words or pictures.

1 cent - $1 per group Ages 4 - 11 10 to 30 minutes
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In this activity, learners capture and observe planaria, which are worms that eat tiny pond critters.

$1 - $5 per student Ages 4 - 18 10 to 30 minutes
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In this simulation activity, learners observe what can happen when ocean waves churn up water and oil from an oil spill.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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Learners place multiple M&M's in a plate of water to watch what happens as the candies dissolve.

1 cent - $1 per student Ages 6 - 14 10 to 30 minutes
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This is a quick activity (located on page 2 of the PDF under Nasturtium Leaves Activity) about surface tension.

free Ages 8 - 14 10 to 30 minutes
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By building a simple watershed with paper and markers and then using a spray bottle to simulate precipitation, learners will understand how pollution accumulates in our water sources, especially from

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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This is an activity/demo in which learners are exposed to the difference bewteen hydrophobic surfaces (water repelling) and hydrophilic surfaces (water loving).

$10 - $20 per group Ages 6 - adult 10 to 30 minutes
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In some parts of the world, lakes freeze during winter. In this activity learners will explore water’s unique properties of freezing and melting, and how these relate to density and temperature.

$5 - $10 per group Ages 8 - adult 10 to 30 minutes
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This activity provides instructions for using cornstarch and water to make an ooze which has the properties of both a solid and liquid.

$1 - $5 per student Ages 4 - 11 10 to 30 minutes
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In this activity, learners will make fish cutouts that propel through the water with the help of surface tension.

$5 - $10 per student Ages 6 - 11 10 to 30 minutes
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This is an activity about Newton's First Law of Motion - a body in motion tends to stay in motion, or a body at rest tends to stay at rest unless acted upon by an outside force.

1 cent - $1 per student Ages 8 - 14 10 to 30 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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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