Put Wheels and Axles to the TestStreaming Audiobook - 2012
What do bicycles, doorknobs, and screwdrivers have in common? All of them use wheels and axles to perform work! Wheels and axles are simple machines. They help us to do jobs more easily. But don't take our word for it. Put wheels and axles to the test with the fun experiments you'll find in this book. This series sheds light on a key science question; How Do Simple Machines Work? Hands-on experiments, interesting photos, and useful diagrams will help you find the answer!
Publisher: [United States] : Lerner Publishing Group : Made available through hoopla, 2012
Branch Call Number: eAudiobook hoopla
Characteristics: streaming audio file (1 audio file (12 min.)) : digital