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![](https://pic.pdfchm.net/empty.gif) Inclined Planes and Wedges (Early Bird Physics)Focusing on the six simple machines--levers, wheels and axles, pulleys, screws, inclined planes, and wedges--this fun and informative series introduces young readers to several basic concepts of physics--such as work, force, gravity, and friction. Includes easy-to-do experiments, colorful photographs, clear text, and fun activities. Supports the... | ![](https://www.pdfchm.net/pic/empty.gif) | ![](https://pic.pdfchm.net/empty.gif) Screws (Early Bird Physics)You work every day. At home, you work in the kitchen. At school, you sharpen pencils. It may surprise you to learn that you also work during recess and at lunch. Playing and eating are work, too!
About the Authors
Sally M. Walker is the author of many books for young readers. When she isn’t busy writing and doing... | ![](https://www.pdfchm.net/pic/empty.gif) | ![](https://pic.pdfchm.net/empty.gif) |
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![](https://pic.pdfchm.net/empty.gif) France and the World since 1870 (International Relations and the Great Powers)Here, John Keiger examines the subtle forces that have shaped France's international relations, from material aspects such as geography, demography, and economics, to more abstract features of France's national identity such as the notion of state and the impulse to spread French culture. The first study of its kind in English, the book is... | ![](https://www.pdfchm.net/pic/empty.gif) | ![](https://pic.pdfchm.net/empty.gif) Applied Interval Analysis
This book is about guaranteed numerical methods based on interval analysis for approximating sets, and about the application of these methods to vast classes of engineering problems. Guaranteed means here that inner and outer approximations of the sets of interest are obtained, which can be made as precise as desired, at the cost of... | ![](https://www.pdfchm.net/pic/empty.gif) | ![](https://pic.pdfchm.net/empty.gif) Web Based Learning: A Practical GuideThe premise on which this title is based is: "To be successful in integrating technology into classroom instruction, training for teachers must first focus on effective lesson plan design and teaching strategies. Without mastering these skills first, no amount of technical training, no matter how effective, will translate into valuable... |
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