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In this outdoor, sunny day activity, learners experiment with paper leaf models to discover how some desert plants conserve water.

This online simulation game explores the different consequences of water levels on the Columbia River in the Pacific Northwest.

In this outdoor activity/field trip, learners investigate the special shapes, holding structures and holding behaviors that real organisms use in streams, rivers, creeks or coast intertidal zones to a

Water treatment on a large scale enables the supply of clean drinking water to communities.