In this ZOOM video segment, cast member Francesco follows the paper trail to find out what happens to his recyclables. He visits a material recovery center and learns how paper is recycled and the number of trees that are saved as a result.

In this adapted video segment, ZOOM guest Laura shows us some of the natural features of Yellowstone National Park, including geysers, hot springs, fumaroles, and mud pots, as well as some of the wildlife.

This interactive resource adapted from the National Park Service illustrates the difference between explosive and effusive volcanic eruptions as well as the hazards that can result, including lahars, tsunamis, and lava flows.

This interactive resource adapted from the National Park Service illustrates the variety of landforms and features created by volcanoes. Featured are calderas, craters, fumaroles and other geothermal features, igneous rocks, lava flows, lava tubes, and maars.

Students discover the novel Waiting, examining such topics as the Cultural Revolution and Confucian values as well as tensions between old and new, rural and urban, and communism and capitalism.

This video segment adapted from Last Oasis explores the use of new dams as a way to provide or store water. In the 1990s, the city of Denver was looking for a new source of water for its growing population, and its plan to build a new dam suddenly became highly controversial.

In this video from Nature, learn about the erosive action of water on the Hawaiian landscape and human efforts to limit it.

In this video segment adapted from NOVA, learn about an experiment investigating whether liquid water on Earth could have resulted from a massive planetary impact billions of years ago.

In this video segment adapted from ZOOM, visit a water treatment plant and learn how water from a local reservoir is turned into drinking water.

Students learn about the importance of dams by watching a video that presents historical and current information on dams, as well as descriptions of global water resources and the hydrologic cycle. Students also learn about different types of dams, all designed to resist the forces on dams. (If the free, 15-minute "Water and Dams in Today's World" video cannot be obtained in time, the lesson can still be taught. See the Additional Multimedia Support section for how to obtain the DVD or VHS videotape, or a PowerPoint presentation with similar content [also attached].)

In this video from WOSU Columbus, learn about wetlands, their different varieties, and why we should care about them.

In this video segment from Planet H20: Water World, experts and teens inside and outside the Great Lakes watershed provide different perspectives on sharing the water from one of the largest bodies of fresh water in the world.

This unusual site actually is a set of articles that first appeared in the Minneapolis Star Tribune, not exactly the place one would expect to find a discourse on parallel structure. Not only is there an interesting discussion of why we should use parallel structure, but there are also exercises for practice.

The Nobel Foundation provides a biography of Bragg. This site focuses primarily on his activities and accomplishments as a scientist.

In this video segment adapted from Haskell Indian Nations University, meet Elders who describe dramatic changes that they have witnessed in their local environments.

Contains plans for four lessons that teach students how to write letters to the editor, including what one is, a review of persuasive writing and letter format, and the importance of writing many drafts. In addition to objectives and standards, this instructional plan contains links to sites used in the lessons as well as assessment and reflection activities.