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Lesson Plan
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Teach Engineering

Introduction to Water Chemistry

For Teachers 7th - 9th Standards
What are the issues surrounding water quality? Viewers of this short presentation gain information about the importance of clean water, the lack of fresh water, water contamination, and ways that engineers treat water. 
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Lesson Plan
Kenan Fellows

Use of Dichotomous Keys to Identify Stream Organisms

For Teachers 8th - 12th Standards
What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of Stream...
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PPT
Curated OER

Earth's Water Sources

For Teachers 5th - 7th
General facts about Earth's water sources, human use, and the water cycle are outlined by this presentation. Slide three has a grammatical error and slide nine refers to the local watershed of the author, so you will need to make a few...