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Straining Out the Dirt
Learners take on the role of environmental engineers as they design water filters.
Float My Boat
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In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?
Walk On Water Bugs
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In this activity (on pages 29-35), learners examine water pollution and filtration.
Crumple a Watershed
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Learners gain an intuitive knowledge of the physical aspects of watersheds by creating their own watershed models.