Students discuss borders and boundaries. They discuss pollution and the fact that boundaries cannot stop pollution and that pollution affects even protected wildlife and plants. They participate in an activity in which they must place...

Fourth graders investigate weather patterns in their home state of Utah. After creating KWL charts, they research weather and geographical data to locate the state's extremes. As an extension, 4th graders write and illustrate books about...

Class members work in pairs to build a catapult to launch a grape a given distance. The catapult project, a compound machine, reinforces pupils' understanding of simple machines.