Provides background information on the many natural resources we extract from the earth's crust, including metals, graphite, and other minerals, as well as fossil fuels. Contains teaching activities such as a geologic scavenger hunt, a geology chronology, and the recycling of aluminum. Includes a reproducible handout for the activity on aluminum.…

Contains a series of activities which focus on the process of extinction, how the increasing human population affects other species, and on the reasons for helping endangered species. Includes diagrams and illustrations of endangered species. (ML)

Discusses the problems created when wetlands are drained or altered by humans. Provides a brief case study of the Everglades as an example of the effects of human intervention. Presents four learning activities (along with reproducible worksheets) that deal with the benefits of wetlands, and some debated issues over wetlands. (TW)

Provides activities which illustrate factors other than habitat destruction, such as wildlife trade and pollution that directly and indirectly endanger plants and animals. Focuses on sea turtles, introduced species and illegal wildlife trade. (ML)

Presents exercises that demonstrate some of the ways humans have helped to save endangered species. Cites cases where species have been saved and populations have increased. Identifies individuals and groups that have been of assistance to endangered species. (ML)

Consists of activities which address the causes of habitat destruction and the effects of habitat loss on animals and plants. Identifies habitat loss as the major reason for the endangerment and extinction of plant and animal species. (ML)