Describes the properties of different types of natural and manufactured matter, including elastic, marble, wood, silk, and gold. Materials answers fundamental questions about the matter and materials that make up the physical world around us. What are rocks made of? Where do plastics come from, and what are they used for? Why can I see through glass? Readers are introduced to the most common natural and manufactured materials-including metals, wood,...

"Describes the science behind the sport of baseball, including offense, defense, stadiums, and individual players who have mastered the sport"--Provided by publisher.

"Describes the science behind the sport of football, including offense, defense, special teams, and arenas"--Provided by publisher.

"Describes the science behind the sport of skateboarding, including basic skills, tricks, skateparks, and competitions"--Provided by publisher.

Looks at all the big storms created by Mother Nature run amuk--from lightning and thunder to monsoons, hurricanes, and tornadoes. Features superlatives, jokes, and best of all, the incredible photographs available only from National Geographic.