Seventh graders identify variables and controls in a paper airplane investigation. In this scientific method lesson plan, 7th graders conduct an experiment to determine the variables that affect the flight of paper airplanes. They design...

Students reseach the different types of soil erosion and ways to control it in this series of activities.

Learners analyze people's sources of power: resources, organization and numbers. They determine when and how power is exercised by analyzing specific examples.