Curated OER
Sorting Plastics For Recycling
First, young chemists practice polymer identification by density and flame tests. With the data collected, they propose a method of separating polyethylene from other plastics and determine what property makes it desirable for recycling....
Carnegie Mellon University
Marcellus Shale: Who Pays?
After viewing short clips of unfortunate events, your class will consider two sides of a homeowner's court case, and then learn about the Marcellus shale deposit beneath the state of Pennsylvania and the hydraulic fracturing process. In...
Curated OER
Talking Trees: Earth Day
Students complete a tree poster activity to learn about Earth Day, stewardship, and the environment. In this environmental stewardship lesson, students read The Story of the Tree and discuss stewardship with trees. Students act out tree...