Introduces the basics of hatha yoga, including the proper diet and thinking, equipment and clothing, and poses used in practicing this form of exercise.

Describes the interaction of predators, prey, plants, and non-living elements that make up the food chain on tundras, and touches on what happens to the food chain when the balance of nature is upset.

Explores several aspects of karate, including warming up, stances, punches, kicks, blocks, katas, weapons, and sparring.

Explains the form and function of leaves, from producing and storing food to their use in defense against predators.

Explains how plants survive in such habitats as deserts, forests, and underwater.

Provides advice for beginning goldfish owners on choosing, preparing for, feeding, and caring for a goldfish.