In this video segment adapted from ZOOM, the cast builds a suspension bridge from a couple of chairs, some cardboard, and rope.

In this interactive activity from ChemThink, learn how ionic bonds are formed and how an ionic bond structure is represented by its formula.

In this video segment adapted from NOVA scienceNOW, follow scientists in their quest to understand how stable elements are made and how to create the elusive element 114.

This video adapted from Texas Parks and Wildlife Department describes how humans are helping restore safe nesting grounds for the critically endangered Kemp's ridley sea turtle to ensure its successful repopulation.

Follow along in this video segment from ZOOM as 13-year-old Nick explains how he came up with a design, tested materials, and constructed his own cardboard chair.

In this video segment from ZOOM, Andrew demonstrates how his invention helps him get ready for his paper route.

Tired of bending down to pick up those runaway tennis balls? Leang can help you out with his handy invention in this video segment from ZOOM.

In this video segment from ZOOM, Lauren explains how she invented a way to make her lacrosse stick fit in her backpack.

ZOOM guest Amy wants to be a meteorologist and volunteers at a weather observatory. In this adapted video segment, she shows us instruments used to predict the weather and describes how air pressure affects weather patterns.

Visit with Andres during fiesta time at Paracho Michoacan, Mexico's "guitar town". As Andres shows in this video segment from ZOOM, guitar music goes beyond simple sound vibrations.

This Evolution video segment describes how the famous track fossils known as the Laetoli footprints might have been formed and what they can reveal about the creatures who left them.

In this video profile produced for Teachers' Domain, meet La'ona DeWilde, an environmental biologist who integrates her Athabascan heritage and her Western scientific training to help remote Alaskan villages address environmental issues.

In this video from the Encyclopedia of Physics Demonstrations, observe how a laser beam is trapped in a water jet because the light reflects against the surface of the water.

This article gives background information on the Iditarod race in Alaska and shows how the race can be used in Grades K-5 classrooms to incorporate science, geography and language arts. The author provides links to resources that involve reading expository tests and writing assignments as well as working with real-time data. The article appears in the free, online magazine Beyond Penguins and Polar Bears.

In this video segment adapted from NOVA, scientist Mike Garcia draws lava samples at the foot of the active Kilauea volcano to see if it is related to its neighboring volcano, Mauna Loa.

Learning about Antarctica's past can give K-Grade 5 teachers and students lessons in geology, climate, and ecology along with literacy experiences in sequencing and time lines. The author identifies online resources for both adults and younger learners. A three-section unit plan begins with sequencing events and follows with earth's history over billions of years and the records found in rocks and fossils. The article appears in the free, online magazine Beyond Penguins and Polar Bears.

Through scientific research, this video from The Human Spark illustrates how a child’s views of what is right and wrong can be shaped by others.

In a column devoted to interactive resoures for the K-5 classroom, this article features Recycle City, an EPA-produced, student-friendly web site designed to teach students about actions that create a sustainable community. Students will learn about recycling, reducing waste, and using less energy. The column regularly appears in the free, online magazine Beyond Weather and the Water Cycle, which focuses on the essential principles of climate literacy.

This article highlights lessons that help K-grade 5 students understand that animals and plants can only survive in certain environments.The lessons support the theme of an issue of the free online magazine Beyond Weather and the Water Cycle. The theme is "We Depend on Earth's Climate."

Using the web-based lessons highlighted in this article, students learn how to pose questions before, during, and after reading nonfiction, fiction, and diagrams. This reading comprehension strategy is included in the literacy column of the magazine Beyond Weather and the Water Cycle, a free, online publication for K-5 teachers.