Simple Machines
Informational (nonfiction) 379 words, Level K (Grade 2), Lexile 490L.
In this book, readers learn about four different kinds of simple machines: levers, inclined planes, pulleys, and wheels and axles. Common examples of each type demonstrate how simple machines such as hammers, knives, and ramps are used on a daily basis to make tasks easier. Illustrations support the text.
