Explains some of the basic physical principles of engineering, accompanied by activites that illustrate those principles.

"Inspired by the author's grandfather's experiences living in a lodge in the woods, a story of how people and animals survive a forest fire in a small Canadian town"--

"What do plants eat? Why do some plants have flowers and others don't? And what's the tallest plant out there?"--Amazon.com.

"Explaining how the wind works, what windmills have contributed to the past, and why they offer environmental promise today as a source of clean, renewable energy, this revised and updated edition offers a glimpse into all the current and historical uses for wind power. Featuring new information on wind energy technology and wind farms, new photographs, and 24 wind-related activities--from keeping track of household energy use and conducting science...

Text about and photography of experiments, animals, plants, bones, and fossils reveal the ideas and discoveries that have changed our understanding of the natural world and how life began.