"The wonder of light has fascinated readers for ages. Walter Wick's mesmerizing photographs paired with simple yet fascinating text and scientific observations help readers understand the secrets and complexity of light. You will learn what light is made of and how it fits alongside everything else in the world. Walter introduces readers into the mystery behind incandescence, light waves, the color spectrum and iridescence as well how we perceive...

"A graphic nonfiction volume that introduces physical and chemical changes of matter. Features include several photographic pages, a glossary, additional resource list, and an index"--

"Vibrant photographs and carefully leveled text introduce young readers to the physics principles that explain the arcing flight of a boomerang. Includes activity, glossary, and index."--

Each year thousands o students of all ages enter robot competitions through their schools or other organizations. They can compete alone or as part of a team in competitions like Lunabotics Junior and the RoboCupJunior soccer games. Learn about the history of robot competitions, how students can get creative with their robots, and more.

An illustrated notebook of definitions, diagrams, key concepts, and mnemonic devices geared to help middle school students learn science.