(Bellwether Media, Aug. 1, 2019)
Levers are found in many places, including your own body! From shovels to arms, levers help us get work done. This title explores the history of levers, the forces that make them work, and where they are found in everyday life. Diagrams and simple experiments allow for different avenues of learning in title for beginning readers. Pulleys, levers, and wedges have been around for thousands of years! This title introduces young readers to the science behind these simple machines and how they make our lives and work easier every day. Features such as diagrams explain tough concepts, while experiments let readers test the machines themselves. Readers will discover just how fun simple machines can be!