In this video segment adapted from Hope in a Changing Climate, learn how an environmentally devastated ecosystem has been restored, benefiting both the local economy and global efforts to fight climate change.

In this interactive activity adapted for grades 3–5 from Annenberg Learner’s Teaching Math Grades 6–8, use virtual Cuisenaire® Rods to represent fractions and to perform operations with fractions.

In this lesson designed to enhance literacy skills, students examine how to multiply fractions by whole numbers in the context of a recipe.

In this video segment adapted from Haskell Indian Nations University, student filmmakers explain why it is important to them to make a video about climate change.

In this video segment adapted from Navajo Technical College, meet two members of the Navajo Nation, one Elder and one scientist, as they share their observations about how precipitation has changed since they were children.

In this lesson designed to enhance literacy skills, an early astronaut's experiences teach students that Newton's third law of motion—for every action, there is an equal and opposite reaction—applies both on Earth and in outer space.

In this video segment adapted from NOVA scienceNOW, MIT engineer Dava Newman is working to replace today's bulky, inflated space suits with a radical, sleek design that may one day allow astronauts to walk easily on Mars.

In this lesson designed to enhance literacy skills, students examine the nutritional content of different foods and learn about the health benefits and risks associated with the food choices they make.

Learn how snowfall happening later in the year than usual is impacting cultural practices in this video segment about climate change adapted from the College of Menominee Nation.

In this video segment adapted from the College of Menominee Nation, tribal members observe lower water levels in lakes and streams and call for global, collaborative solutions to address climate change.

Have we overstepped Mother Earth's boundaries? What are the consequences? In this video segment adapted from Haskell Indian Nations University, hear a Native perspective on our relationship with the natural environment.

Learn about NASA’s Kepler mission and how scientists search for planets orbiting stars outside our solar system in this video segment adapted from NOVA.

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.

Students learn about and practice graphing, plotting points, drawing line segments, and finding the coordinates of points of intersection.

This KET animation illustrates positive and negative measurement on a straight line and on a flat plane using a point of origin.

In this lesson designed to enhance literacy skills, students learn about population sampling by watching how a Native American tribe measures the number of fish in their lake.

In this lesson designed to enhance literacy skills, students learn about the positive effects that exercise has on the body and some activities they can do to improve their health.

Students learn about probability and the law of large numbers. Through increasingly large trial sizes, students witness the way in which results get closer and closer to 50%.

In this media-rich, self-paced lesson, students explore some of the technologies designed to detect and treat inherited diseases and the ethical debate surrounding them.

Learn about the dynamic relationships between a jet engine's heat loss, surface area, and volume in this video adapted from Annenberg Learner's Learning Math: Patterns, Functions, and Algebra.