In this video segment adapted from the Yukon River Panel, visit fishing communities along the Yukon River and see how Alaska Native peoples exercise stewardship of salmon to ensure that it remains a central food source and cultural touchstone.

Against the backdrop of the devastating 1930's Dust Bowl, this video segment adapted from Interactive NOVA profiles an organic farmer and the techniques he uses to conserve topsoil.

This video segment adapted from NOVA explains the origin of the elements and how scientists use unique element profiles to identify supernova types.

This video segment adapted from NOVA follows the Apollo 15 astronauts as they collect samples of ancient rock from the Moon's crust, whose discovery helps lead to a radical new theory about the Moon's origin.

In this interactive activity from ChemThink, examine the basic properties of matter at an atomic level and consider how various atoms affect the way a substance behaves.

This video segment adapted from the NOW-RAMP 2002 Expedition documents a research expedition to Pearl and Hermes Atoll in Hawai`i. Watch as biologists assess the bird and plant populations and then work to eradicate invasive species.

This article introduces the 17 species of penguins and shows how a study of penguin habitats and life cycles can fulfill national science content standards for K-grade 5. The author provides links to web resources and suggests books. The article appears in the free, online magazine Beyond Penguins and Polar Bears.

This interactive periodic table developed for Teachers' Domain provides detailed information about the chemical properties of elements and illustrates the electron configurations that determine those characteristics.

In this video segment from Evolution: "Extinction!", geologist Peter Ward discusses evidence for a Permian-Triassic mass extinction.

In this article, a newspaper article about a penguin outfitted with a wetsuit is the impetus for a lesson on heat and insulation in marine animals. Students learn about feathers and blubber and think about the role of scientists in observing and caring for animals in the lab. Included are links to lessons and activities and a list of recommended children's books. This article appears in the free, online magazine Beyond Penguins and Polar Bears.

Watch the rubber bands vibrate on homemade guitars in this video segment adapted from ZOOM as cast members talk about pitch and demonstrate how to make a cereal box instrument.

This video segment, adapted from ZOOM, explores the different sounds that a simple drinking straw can produce when you cut the straw and blow into it.

This video segment, adapted from ZOOM, demonstrates how to use a drinking straw and a bottle full of water to make low- and high-pitched sounds.

In this media-rich, self-paced lesson, students explore the industries that produce and rely on advanced technology and assess how their goals and interests may make them well suited for a career in this cutting-edge sector.

This video segment adapted from A Science Odyssey uses animation and archival footage to provide an overview of the theory of plate tectonics.

This video segment adapted from NOVA uses animation to show the relationship between the movement of a tectonic plate and whether volcanoes on the Hawaiian Islands are active or dormant.

The author shows that polar bears are not only appealing images in our culture but also an engaging topic for children in grades k-5. Teachers can combine several of the concepts of the life sciences with reading and writing skills in lessons about polar bears. The author provides links to online lesson plans in both science and literacy as well as titles of childrenŠ—Čs books. This article appears in the free, online magazine Beyond Penguins and Polar Bears.

This video segment explores the role of touch in the development of young animals, including humans. Footage from NOVA: "Mystery of the Senses: Touch."

In this video adapted from Texas Parks and Wildlife Department, learn about the prairie dog, the importance of its role in its ecosystem, and how it is affected by an ever-growing human population.

Exemplary professional development publications in the areas of general instruction, science education, and literacy instruction in the elementary grades are described in each issue of Beyond Weather and the Water Cycle. This free, online magazine is structured around the seven essential principles of climate literacy and emphasizes integrating science and literacy skills in grades K-5.