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
This enlightening book introduces readers to the pulley. Through detailed photographs and uncomplicated text, readers will learn about its basic movement and where they can find pulleys in everyday li
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
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
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,
Scissors are commonly found on school supplies lists, but most students don't recognize them for the simple machines they are. This exploration of school buildings and grounds encourages critical thin
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
Key physical science concepts are presented in the context of outdoor adventures. Young nature lovers will learn about the mechanics of popular gear, and they’ll also discover the fascinating ways tha
George Washington was the Commander of the Continental Army during the American Revolution and the beloved first president of the United States. Readers will learn about the full span of Washington’s
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
Rosa Parks was an ordinary woman who became a driving force in the Civil Rights Movement when she helped spark the Montgomery Bus Boycott. Readers will learn about the boycott and the inspiring figure
Kids know that hockey sticks, water bottles with screw-on lids, and cleats are all used in sports. It may, however, be a surprise to them to learn that they’re all machines. This book teaches sports e
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
