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Straining Out the Dirt
Learners take on the role of environmental engineers as they design water filters.
Below the Surface: Surface Tension II
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In this activity learners explore surface tension. Why are certain objects able to float on the surface of water and how do detergents break the surface tension of water?
Be A Pasta Food Scientist
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In this activity, learners of all ages can become food scientists by experimenting with flour and water to make basic pasta.
Walk On Water Bugs
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In this activity (on pages 29-35), learners examine water pollution and filtration.
Runaway Runoff
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When it rains, water can collect on top of and seep into the ground. Water can also run downhill, carrying soil and pollution with it.
Water Treatment
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Water treatment on a large scale enables the supply of clean drinking water to communities.
Moving On Up: Capillary Action II
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Learners explore capillary action in plants (such as plants ability to move water from roots to leaves) in an investigation called Paper Blooms.