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

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

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