Our new Simple Machines series takes a fresh look at an important concept for all young scientists. The combination of clear definitions, every day examples, and easy to do hands-on activities will support all readers as they build their knowledge of simple machines.
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ISBN | 9781606943861 |
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Sprache | eng |
Cover | Fester Einband |
Verlag | Rourke Pub Llc |
Jahr | 2009 |
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