"Natural disasters like tornadoes destroy, devastate, and alter people's lives forever. Some people chase tornadoes for scientific purposes, while others just want the thrill of facing a twister's dangers. In this book, readers are introduced to the science behind tornadoes and to the people who have risked their lives to help us understand more about them. Graphic organizers and incredible photographs add to this glimpse into one of nature's most...

About 140 million years ago, South America and Africa broke apart, eventually drifting to their current positions on Earth. But when looking at a map of the two, they still look like puzzle pieces!

"Termites don't just chew through wood; they eat it. That means a home, a tree house, or a tree can be a gigantic snack for a colony of termites. Unfortunately, when a colony decides a building is a perfect place to live, it can be hard to kick out these unwanted guests. This book, including graphic organizers and close-up photographs, offers an in-depth look at a termite colony and the different kinds of termites needed to keep a colony functioning....

Everybody wants a peaceful world. but our world is rarely peaceful. Nations fight over land natural resources and other matters. Each branch of the US military has a different mission.