Young scholars explore air pollution. In this ecology lesson, students participate in an experiment in which 5 numbered jar lids are placed outside. Young scholars bring one lid a day in until all jars are inside. Dirt specks are...

Fourth graders discover how the processes of erosion and weathering alter the physical characteristics of the environment. In a student log,they record the various types of erosion and list ways to prevent it. Using clear, plastic...

Students experiment to determine the value and importance of wetlands in Arkansas. They develop an environmental appreciation for wetlands.