Levers are everywhere. Readers will learn about historical and present-day uses of levers and how levers make countless everyday activities much easier. A simple experiment is included with step-by-st
This exciting book uses elementary physics vocabulary to teach young readers about wheels and axles. Inviting photography and approachable text make this a fascinating read, and a simple experiment is
From the Ancient Egyptians to modern-day farmers, people have always benefited from using wedges. Through exploring this fact-filled book, students will learn all about the mechanical advantage of the
Students can learn all about how screws work in this dynamic book. Annotated diagrams and a simple experiment make challenging science subject matter accessible for young readers. A pronunciation guid
In this fascinating book, readers will uncover why inclined planes make it easy to lift and move heavy objects. They will also learn where they can find inclined planes in their everyday life and cond
Eco-friendly products have moved beyond organic salads and dairy products. There are eco-friendly cleaning products, electronics, paints, fabrics, and so much more. In our society, the consumer is fac
Green energy is the wave of the future, but it’s here right now. New technologies are making green energy a much more viable alternative to nonrenewable sources than ever before. Through this informat
After absorbing the 2 questions and answers presented in this book about the Earth’s oceans, you will know why the ocean is blue. Core concepts such as why there are currents and tides and how polluti
Highlights the life and accomplishments of the young Canadian-born musician who was first noticed for videos of him singing on YouTube and has since made successful albums and concert appearances.
Benjamin Franklin was a true Renaissance man in early American history—an accomplished writer, inventor, and a statesman. This enthralling biography traces Franklin’s life in the early United States,
Harriet Tubman was an escaped slave who risked her life to deliver others to freedom. This biography covers Tubman's extraordinary and inspiring story, from childhood to her work with the Underground
Thomas Jefferson was the third president of the United States and one of the most complex of the Founding Fathers. This book teaches readers about Jefferson's life, from his childhood through his post
