equilibrium

Bill Nye the Science Guy answers questions about balance and conducts an experiment that demonstrates how to balance objects to make a mobile.

Introduces the concepts of motion and balance to students in grades five through eight, providing a definition of motion, and discussing balancing forces, relative motion, Newton's three laws of motion, inertia, net force, and other topics. Includes experiments and reviews.

"Avatar Aang asks his friends to help him honor Yangchen's Festival--one of the highest Air Nomad holidays, which hasn't been celebrated in over one hundred years. But cryptic visits from the spirit of Avatar Yangchen herself lead Aang to discover a jointly owned Fire Nation and Earth Kingdom refinery, operating on land sacred to the Airbenders! Is this simply a case of greed or is something more mysterious happening?"--Back cover.

Aang and Team Avatar join Fire Lord Zuko in a quest to discover what really happened to the mother who supposedly abandoned him as a young boy. They are joined on this adventure by Zuko's unstable sister, Azula, who has her own agenda completely.

Aang's Harmony Restoration Movement has Fire Lord Zuko and Earth King Kuei on the verge of war over the forced removal of Fire Nation colonists from their homes in the Earth Kingdom. While Aang and Katara work for peace between the two, Toph and Sokka prepare her metalbending school for possible war against the firebenders.

An introduction to balance, discussing the related concepts of weight, base, heavy and light, and tipping and tilting, and describing seesaws, scales, cranes, acrobats, wheels, and other things that balance. Includes a related fiction story.

Explores the forces of motion and balance and what causes them, including concepts such as inertia, velocity and acceleration.

When Katara and her brother Sokka from the Souther water tribe find a mysterious young boy in a glacier, they are shocked to discover that he is an airbender, a tribe that was thought to have disappeared over a century ago.

Explains what it means to balance, and looks at some of the things that balance on a construction site, including a sawhorse, ladder, scissor lift, and others.