Lesson 3: Energy Flows, Matter Cycles



Have you ever heard the expression “like water off of a duck’s back”? What does this mean? What will happen if a duck lands in oil? How can the natural oils on the duck's feathers be restored? 


Class activities:

Discussion: "Matter cycles, what about energy?"

Aquatic Food chain/web computer activity

Energy pyramid scenarios


What is the difference between recycling of matter by society and the natural cycling of matter through ecosystems?


Wrap up:

"How Wolves Change Rivers" video: http://blog.ted.com/video-how-wolves-can-alter-the-course-of-rivers/   

Water Quality, what can be found in water? 


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