Curated OER
Fuel Cell Experimentation
With rising oil prices and increasing concerns over global warming, the pressure is on for engineers to develop alternative sources of energy. Among the new technologies being developed are hydrogen fuel cells, which young scientists...
Curated OER
Relative Ages of Rocks
In this ages of rock worksheet, students will review the processes and techniques of determine the age of rocks. Then students will use a rock layer diagram to determine what rock materials are older or younger. This worksheet has 16...
Curated OER
Economics Study Guide
In this economics activity, students answer a variety of fill in and short answer questions, draw a diagram to illustrate the circular flow of economic activity, and write short essays to address prompts.