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In this activity, learners explore the different salinities of various sources of water by taste-testing.

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners estimate how much water they think can be found in various locations on the Earth in all its states (solid, liquid, and gas) to discover the different water ratios in the Ea

free Ages 6 - 14 10 to 30 minutes
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This activity offers learners and their families several ways to raise their awareness together about home water.

free Ages 4 - adult 1 to 7 days
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Learners compare the weight of equal volumes of wax, water, and clay. Learners discover that since the wax weighs less than an equal volume of water, it is less dense than water and will float.

$1 - $5 per group Ages 8 - 14 30 to 45 minutes
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In this activity, learners investigate the movement of water into and out of a polymer. Learners test the diffusion of water through gummy bears, which are made of sugar and gelatin (a polymer).

$1 - $5 per student Ages 11 - 18 1 to 7 days
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Learners investigate one factor affecting reaction rates: temperature. In a darkened room, two identical lightsticks are placed in water -- one in hot water and one in cold water.

$1 - $5 per student Ages 6 - 14 5 to 10 minutes
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Learners experiment with water gel crystals, or sodium polyacrylate crystals, which absorb hundreds of times their weight in water. When in pure water, the water gel crystals cannot be seen.

$5 - $10 per group Ages 11 - 18 45 to 60 minutes
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In this quick activity about the properties of water (page 1 of PDF under SciGirls Activity: Malformed Frogs), learners will use an eyedropper to slowly place one drop of water at a time onto a penny,

1 cent - $1 per group Ages 8 - 14 10 to 30 minutes
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Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.

$10 - $20 per group Ages 11 - 18 1 to 2 hours
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In this activity (page 2 of PDF under GPS: Glaciers Activity), learners will measure the rate at which water streams out of a leaky cup.

$1 - $5 per group Ages 8 - 14 45 to 60 minutes
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This creative lesson plan provides a visual way for learners to gain knowledge about the finite amount of fresh water on Earth and encourages the discussion of the various ways to conserve this resour

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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This creative lesson plan provides a visual way for learners to gain knowledge about the finite amount of fresh water on Earth and encourages the discussion of the various ways to conserve this resour

$1 - $5 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners build a water squirter using a PVC pipe, dowel, and foam. This activity is great for the summer time and introduces learners to forces and water pressure.

$5 - $10 per student Ages 6 - 18 45 to 60 minutes
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In this quick activity, learners drink Avogadro's number worth of molecules - 6.02x10^23 molecules!

$1 - $5 per group Ages 11 - 18 5 to 10 minutes
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In this experiment, learners examine how pressure affects water flow. In small groups, learners work with water and a soda bottle, and then relate their findings to pressure in the deep ocean.

1 cent - $1 per group Ages 11 - 18 45 to 60 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 (on page 2 of the PDF under SciGirls Activity: Water Slides) is a full inquiry investigation into speed and motion and takes place at a water park.

$5 - $10 per group Ages 8 - 14 2 to 4 hours
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In this activity, learners observe the effect of transpiration as water is moved from the ground to the atmosphere.

1 cent - $1 per group Ages 6 - 14 2 to 4 hours
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This is an activity (located on page 3 of PDF under Nasturtium Leaves Activity) about surface tension.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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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