Readers will open their mind to the world of simple machinery and how these items are used in daily life. In Simple Machines: Wheel and Axle, young learners in grades 13 will explore why the wheel and axle might just be the MVP of simple machines. This 24-page title uses real-world examples of simple machine mechanisms and explains how these feats of engineering can make daily work less difficult to complete.The Simple Machines series for grades 13 explains how basic mechanical devices, that are used for applying a force, can help make daily tasks much easier. Featuring before- and after-reading activities, a glossary, an index, and comprehension questions, this series helps young learners strengthen their reading comprehension skills while also introducing them to some of the most commonly used simple machines.