+
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...
+
Lesson Plan
Teach Engineering

Biological Processes: Putting Microbes to Work

For Teachers 7th - 10th Standards
Is there such a thing as useful microbes? Get ready to perform experiments on applying microbes for wastewater treatment. The first installment of the three-part unit provides background information to prepare young engineers for two...

Other popular searches