1454593
9781403440853
In this exciting series, students will learn how simple machines such as levers, springs, and wheels power more complex machines that we use every day. Each title contains a project that allows the reader to make a machine using simple machines and household items. The text is reinforced with colorful photos, clearly-labeled diagrams, real-life examples, and easy experiments that allow students to observe the scientific concepts behind the machines.Royston, Angela is the author of 'Pulleys and Gears' with ISBN 9781403440853 and ISBN 1403440859.
[read more]