This issue of the free online magazine, Beyond Penguins and Polar Bears, explores the tundra and how it can illustrate ecological concepts, relationships, and changes.

This nonfiction article, written for students in grades 4-5, explores the relationships between various tundra species: marsh marigolds, bot flies, and caribou. Modified versions are available for students in younger grades.

This informational text explores the relationships between tundra species: marsh marigolds, bot flies, and caribou. The text is at a reading level appropriate for second through third grade. It is a full-color pdf file that can be printed, cut, and folded to form a 2 1/8" by 2 3/4" book. It contains color photographs and illustrations and a glossary.

This informational text explores the relationships between various tundra species: marsh marigolds, bot flies, and caribou. The text is at a reading level appropriate for second through third grade. It is a pdf file that includes only the text and a glossary.

This informational text explores the relationships between various tundra species: marsh marigolds, bot flies, and caribou. The text is at a reading level appropriate for fourth through fifth grade. It is a full-color pdf file that can be printed, cut, and folded to form a 2 1/8" by 2 3/4" book. It contains color photographs and illustrations.

This informational text explores the relationships between various tundra species: marsh marigolds, bot flies, and caribou. The text is at a reading level appropriate for fourth through fifth grade. It is a pdf file that includes text and a glossary.

This informational text explores the relationships between various tundra species: marsh marigolds, bot flies, and caribou. The text is at a reading level appropriate for Kindergarten through first grade. It is a full-color pdf file that can be printed, cut, and folded to form a 2 1/8" by 2 3/4" book. It contains color photographs and illustrations.

This article assembles free resources from the Tundra: Life in the Polar Extremes issue of the Beyond Penguins and Polar Bears cyberzine into a unit outline based on the 5E learning cycle framework. Outlines are provided for Grades K-2 and 3-5.

This article features children's literature about the tundra, food chains, and food webs.

This article describes robots that are helping scientists explore the Gakkel Ridge deep below the Arctic Ocean and links to informational text about them. Versions are available for students in grades K-1, 2-3 and 4-5. Related science and literacy activities are included.

This informational text explore how scientists are using robots to explore underwater mountain ranges in the Arctic Ocean. The difficulties associated with under ice exploration are explained. The text is written at a grade two through grade three reading level. This version is a full-color PDF that can be printed, cut and folded to form a book. Each book contains color photographs and illustrations.

This informational text explore how scientists are using robots to explore underwater mountain ranges in the Arctic Ocean. The difficulties associated with under ice exploration are explained. The text is written at a second grade through third grade reading level. This is a PDF containing the informational text.

This informational text explore how scientists are using robots to explore underwater mountain ranges in the Arctic Ocean. The difficulties associated with under ice exploration are explained. The text is written at a grade four through grade five reading level. This version is a full-color PDF that can be printed, cut and folded to form a book. Each book contains color photographs and illustrations.

This informational text explore how scientists are using robots to explore underwater mountain ranges in the Arctic Ocean. The difficulties associated with under ice exploration are explained. The text is written at a fourth through fifth grade reading level. This is a PDF containing the informational text.

This informational text explore how scientists are using robots to explore underwater mountain ranges in the Arctic Ocean. The difficulties associated with under ice exploration are explained. The text is written at a kindergarten through grade one reading level. This version is a full-color PDF that can be printed, cut and folded to form a book. Each book contains color photographs and illustrations.

This article profiles Dr. Leonid Polyak, a senior research scientist with the Byrd Polar Research Center, The Ohio State University, who studies seafloor sediments from the Arctic Ocean to find clues about the climate conditions of the past.

This list of children's books recommends nonfiction titles that supplement basic information found in lessons and activities of this themed issue of the online magazine Beyond Weather and the Water Cycle. The books are grouped by topic -- water, weather and climate, and atmosphere. Each book is described by its content, reading level, and possible uses in the classroom. Covers are pictured. The online magazine is produced for elementary school teachers and is structured around the essential principles of climate sciences and climate literacy.

This free, standards-based website developed for elementary teachers provides hand-picked, reviewed, on-line resources to enhance teacher content knowledge regarding reasons for the seasons.

Suggestions are made on how to use the resources featured in the issue of Beyond Weather and the Water Cyle in a unit on the greenhouse effect. Hands-on experiences and nonfiction text are provided to help students answer the question "How is Earth like a greenhouse?" Suggestions are also made for formative and summative assessments.

Unit plans at two levels, K-grade 2 and grades 3-5 develop understanding of the issue theme, We Depend on Earth's Climate, by focusing on adaptations and environments of local plant species and polar mammals. The units are modeled after a learning cycle framework built around five key steps: Engage, Explore, Explain, Expand, and Assess. The lessons are aligned with national standards for science education and English language arts.