Young readers will explore how they can become involved in the executive branch, and what it would take to become president someday.A True Book: Why it Matters series introduces young readers to the b
The U.S. Constitution is the fiber that ties all the separate parts of our government into one working whole.A True Book: Why it Matters series introduces young readers to the branches of the US gover
Peak inside the workings of the Senate and House of Representatives.A True Book: Why it Matters series introduces young readers to the branches of the US government, the constitution and more, while e
Learn about how Supreme Court Justices can change the course of U.S. history.A True Book: Why it Matters series introduces young readers to the branches of the US government, the constitution and more
Presents the basic principles of gravity, a history of how the theory was developed, the revisions made by Albert Einstein, and descriptions of how gravity works in space, with examples from America's
Whether youre walking along a busy city street or enjoying the solitude of the wilderness, you are always surrounded by sound. Readers will learn how sound waves are formed and how they change as they
"Learn all about Gettysburg National Military Park, from which historic events occurred there to what it is like to visit today."--Provided by publisher.
"This book details the science of light. It explains where this energy comes from, how it affects life on Earth, what uses people have found for it, and more."--
"This book details the science of electricity and magnetism. It explains how these forces work, how they are related, what uses people have found for them, and more."--