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.

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 from Cyberchase, the CyberSquad helps Ms. Fileshare realize that Hacker has been deceiving her as they take a look at the scale of a bar graph.

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.

In this video segment from NatureScene, observe dragonflies and mayflies near Cedar Creek at Congaree Swamp National Park.

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 video segment adapted from A Science Odyssey, follow two scientists and their Nobel Prize-winning efforts to cure bacterial infections using penicillin.

In this video segment from Cyberchase, the CyberSquad breaks down an action into a series of steps in order to program a robot to do what they need it to do.

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.

In this interactive periodic table from the NOVA Web site, find out the role of various elements in making fireworks.

In this video segment adapted from NOVA scienceNOW, learn about RNAi's potential to treat a wide range of genetic and infectious diseases.

In this video from Cyberchase, the CyberSquad figures out how fast their broom must go so they can reach Motherboard before Wicked.

This video segment from Religion & Ethics Newsweekly shows the daily activities of two young American Muslims during the holy month of Ramadan.

The sighting of a new moon determines the beginning of the Islamic holy month of Ramadan. In this video from Religion & Ethics Newsweekly, follow the process of sighting a new moon for American Muslims.

In this video segment from Religion & Ethics Newsweekly, an American Muslim family observes Ramadan, the month in which Muslims fast daily from sunrise to sunset in order to demonstrate piety and develop self-restraint.

In this lesson designed to enhance literacy skills, students learn how to use fractions to interpret the nutritional information contained on food labels.

This video segment from Nature features ravens, the most intelligent birds in the crow family.

In this video segment from Cyberchase, the CyberSquad learns how to read a thermometer as they try to keep their chocolate sculpture from melting.

This video segment from NatureScene describes the characteristics of redwood trees at Redwood National Park.