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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 working in pairs saturate a cotton ball using water drops from an eyedropper to demonstrate the high water capacity of clouds.

1 cent - $1 per group Ages 6 - 14 10 to 30 minutes
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In this activity, learners explore how water behaves differently when it comes in contact with "nano sand" and regular sand.

$10 - $20 per group Ages 4 - adult 5 to 10 minutes
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In this activity, learners investigate and compare the rate of drying in different conditions.

$1 - $5 per group Ages 6 - 11 30 to 45 minutes
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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 about water's cohesive and adhesive properties and why water molecules are attracted to each other, learners test if objects repel or absorb water.

$5 - $10 per student Ages 8 - 11 10 to 30 minutes
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In this activity (located on page 9 of the PDF), learners are introduced to Aesop's fable, "The Crow and the Pitcher." In the story, a clever crow drops pebbles into a pitcher to cause the water level

free Ages 6 - 11 45 to 60 minutes
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In this activity, learners observe how salinity affects the freezing point of water by making and enjoying ice cream.

$5 - $10 per group Ages 6 - 14 30 to 45 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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In this activity, learners play with surprising sand that doesn’t get wet! Learners explore how water behaves differently when it comes in contact with "magic sand" and regular sand.

$10 - $20 per group Ages 4 - adult 10 to 30 minutes
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In this activity, learners explore how the application of nano-sized "whiskers" can protect clothing from stains.

Over $20 per group Ages 4 - adult 5 to 10 minutes
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In this three-part activity, learners play a game and conduct two simple experiments to explore water and surface tension. Learners will have fun discovering how water "sticks" together.

$1 - $5 per student Ages 8 - 11 10 to 30 minutes
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This is a quick activity (on page 2 of the PDF under Gecko Feet Activity) about the forces of gravity and surface tension and how their behavior is influenced by size.

1 cent - $1 per group Ages 8 - 14 5 to 10 minutes
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In this activity, challenge learners to predict and investigate how many water drops they can fit on one penny.

free Ages 6 - 11 10 to 30 minutes
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This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

$1 - $5 per group Ages 8 - 14 1 to 2 hours
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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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In this activity, learners will explore how a hydrometer works by building a working model and conducting experiments.

1 cent - $1 per group Ages 8 - 18 45 to 60 minutes
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In this activity, learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.

$5 - $10 per group Ages 8 - 14 1 to 2 hours
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In this activity (page 1 of the PDF under SciGirls Activity: Bogs), learners will test cups full of potting soil, sand, and sphagnum moss to see which earth material is able to soak up the most water.

$5 - $10 per group Ages 8 - 14 30 to 45 minutes
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In this activity about saturation (page 1 of PDF under SciGirls Activity: Sand Dunes), learners will build a series of sand castle towers using a 16 oz cup.

$5 - $10 per group Ages 8 - 14 45 to 60 minutes