What is pi anyway?  After this set of activities, your pupils should have multiple answers to this question. Investigate pi with various experiments and discoveries. Calculate the ratio circumference/diameter for different sized...

Students discover three aspects of the rain forest. They describe the people, animals, and vegetation in the rain forest. They identify the changes the rain forest has gone through and the reasons behind the changes. They choose one...

Students construct a "A Year in Pennsylvania" poster on which they creatively describe at least three examples of how the climate they live in shapes their lives during every season of the year.

Fourth graders are introduced to three aspects of the rain forest. The three aspects are people, animals, and life. Students further investigate problems that arise as a result of actions by the people and life in the rain forest.