Simple machines : inventions that changed the world-- and the science behind them
Leo teaches his cat Pallas all about simple machines by applying his knowledge of science to their stone age world. Engaging illustrations and stories provide a fun introduction to science concepts, including wheel and axles, levers, pulleys, wedges, screws, and more. Information boxes accompany each story to explore real applications of simple machines in the natural and designed world.
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| Subject |
| Simple machines > Juvenile literature. |
- ISBN: 9780778718901
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Physical Description
print
32 pages : color illustrations ; 27 cm. - Publisher [Place of publication not identified] : [publisher not identified], 2016.
Content descriptions
| Bibliography, etc. Note: | Includes bibliographical references (page 32) and index. |