Ecosytems: Water Purification
Students explore how ecosystems purify water and what kinds of things humans do that alter these processes. They use a website to access information on local watersheds and develop a "river" newspaper
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WET Science Lesson #11: How Light Affects Water
Scientists listen to the story of Wadja Egnankou who works to save African mangrove forests. They experiment with refraction and the introduction of particulate matter to water. They conclude with creative writing about the need for a...
4th - 7th Science