Rebecca Stefoff

Roads allow people and goods to travel across land quickly and safely. Discover the engineering behind roads.

"An empowering, engaging young readers guide to understanding and battling climate change from the expert and bestselling author of This Changes Everything and On Fire, Naomi Klein. Warmer temperatures. Fires in the Amazon. Superstorms. These are just some of the effects of climate change that we are already experiencing. The good news is that we can all do something about it. A movement is already underway to combat not only the environmental effects...

Provides information on how animals communicate through smell, taste, sight, sound, and feel.

Birds that are smarter than a fifth grader--smart enough to do math, that is. Chimps that use tools. These are just two examples of the amazing skills of the animals all around us. In this jovial book, award-winning author Rebecca Stefoff tells us not just that animals are intelligent, but explains how researchers have discovered how smart they are. Readers will learn the languages of chimps and the mental maps of birds as well as the disputes that...

"Beginning with a look at Christopher Columbus's arrival through the eyes of the Arawak Indians, then leading the reader through the struggles for workers' rights, women's rights, and civil rights during the nineteenth and twentieth centuries, and ending with the current protests against continued American imperialism, Zinn presents a radical new way of understanding America's history. In so doing, he reminds readers that America's true greatness...

"Explores various perspectives on the Space Race. The reader's choices reveal the historical details"-- "You are living in a time of change and progress. World War II is over, but the Cold War between the United States and its former ally, the Soviet Union, is on. Each country begins pouring resources into a battle for the most advanced space exploration technology. You are about to become a part of this exciting competition. Will you: Help the United...

Explains how and why grammar has evolved through the years, and where it is likely to go. Writing prompts engage and challenge the young reader. Meets Common Core standards for Literature.

Is it science? shows the scientific method at work. Each volume in the series explores a branch of modern science or a major scientific milestone, comparing and contrasting it with an older idea that has been proved wrong or fails to meet the standards of science.

Is it science? shows the scientific method at work. Each volume in the series explores a branch of modern science or a major scientific mileatone, comparing and contrasting it with an older idea that has been proved wrong or fails to meet the standrads of science.

We say that the sun "rises" in the morning and "sets" at night, but is it really moving? Learn about the long, sometimes dangerous struggle to discover whether the sun revolves around Earth, or Earth around the sun, and find out what scientists now know about our planet's place in the universe. -- From cover.