[Free Registration/Login Required] Lesson in which students investigate several sources to determine why the Roman Empire persecuted Christians. Inlcudes downloadable lesson plan, PowerPoint, original documents, teacher and student...

A teaching guide with eleven lessons on the atmosphere, and the impact that different kinds of energy have on the atmosphere and ecological systems. The unit and accompanying PowerPoint can both be downloaded.

Students design and build a working robotic arm from a set of everyday items with a goal of having the arm be able to pick up a Styrofoam cup. Working in teams of three or four students, the students explore effective teamwork skills...

A comprehensive 10-lesson unit on how climate change affects the forests of Michigan. Covers many of the NGSS life science standards for middle school. Includes teacher's guide, PowerPoints, video links, student handouts, standards...