This simulation from the National Center for Atmospheric Research portrays annual patterns in water vapor and precipitation across the globe, illustrating general circulation patterns as well as seasonal and regional variation.

In this interactive activity adapted from the University of Utah's ASPIRE Lab, learn how to measure wavelengths and see how wavelength affects the color of the light that we see.

This video, adapted from material provided by the ECHO partners, describes three different ways that people have navigated the oceans.

Do you eat like a horse? Or more like a bird? As you might expect, different animals eat different things. Some animals specialize in eating one particularly rich food source, while others eat whatever they can find. This video segment samples the diversity of feeding habits among some of the world's creatures.
Recommended for: Grades K-5

There's no need to don a space suit if you want to experience weightlessness. In this video segment adapted from ZOOM, two members of the cast drop a cup of water with holes in it to demonstrate how free fall can create a momentary condition of "weightlessness".
Recommended for: Grades K-8

This video segment, adapted fromThinking Big, Building Small, demonstrates each part of the engineering design process, which is fundamental to any successful project. Though it does this in the context of building skyscrapers, the process is applicable to any sort of project, including constructing schools, building bridges, and even manufacturing sneakers. Students will recognize the value of going through its steps sequentially when constructing scale models. Recommended for: Grades 3-12

In this Cyberchase video segment, Harry tries to snowboard and learns how to measure and identify many common angles.

In this video segment from Cyberchase, Bianca goes on a quest to find out if a coin toss really is a 50-50 proposition.

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.

In this video segment adapted from United Tribes Technical College, listen as six Native American students share their concerns, hopes, and knowledge about climate change.

In this animated video segment adapted from NASA, astronomer Doris Daou explains how the forces of speed and gravity keep the Moon in a constant orbit around Earth.

In this video adapted from Texas Parks and Wildlife Department, see how volunteers care for sick or injured animals. Also learn why human interaction is not always the best solution.

In this What's Up in the Environment? video segment, learn how various indicator species are used to monitor the environmental condition of the Everglades.

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

Learn about the environmental conditions of Death Valley in this video from Nature.

This interactive resource from the Exploratorium calculates your weight on other bodies in our solar system and offers an explanation of mass and weight and the relationship between gravity, mass, and distance.

In this video segment from Religion and Ethics Newsweekly, Imam Bashar Arafat, a scholar and interfaith leader in Baltimore, Maryland, describes __Œ‹í‹__zakaat,__Œ‹í‹Œ‹Ű_ an almsgiving tax that Muslims pay annually.