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Article
University of Illinois

University of Illinois: Mc Kinley Health Center: Hydration Needs for Exercise [Pdf]

For Students 9th - 10th
This is a simple, yet useful, resource for anyone wanting information on how to stay hydrated and healthy during exercise and every day. Provides "Hydration tips," and a comparison of water and sports drinks.
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Activity
Michigan Reach Out

Reach Out Michigan!: Contaminated Drinking Water

For Teachers 3rd - 5th
This site is provided for by Reach Out Michigan! Use the site to learn if our eyes and taste buds can detect contaminated drinking water by doing a simple experiment.
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Website
Other

Klasse Wasser

For Students Pre-K - 1st
This very basic site is about water -- all kinds of water: rainwater, drinking water, even toilet water. Includes water-themed games. In German.