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Wheels and Axles~tqw~_darksiderg

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******************Nothing*Is*As*Powerful*As*The*Written*Word*******************
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INFO
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Title................: Wheels and Axles
Type.................: Ebook
Reader...............: PDF Reader
Size.................: 6.87 MB
Torrent Hash.........: 566D2CBE1355578D512F9AC9884E009A20F765DA
Posted by............: ~tqw~

Trackers:
hxxp://tracker.bitreactor.to:2710/announce
hxxp://tracker.thepiratebay.org:80/announce

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CONTENTS
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Synopsis:
This entry in the "Early Bird Physics" textbook series explains what work is,
defines the simple machine under discussion, introduces special terminology
such as fulcrum, friction, or axle, and shows variations on that machine
that make it more complicated. Simple hands-on activities explore some of
the properties of wheels and axles and illustrate how screwdrivers, a form
of this simple machine, can be configured to increase or decrease the force
needed to turn them. A multiracial cast of children who look to be about
nine or ten are photographed in posed situations to illustrate concepts, and
most of them look realistic. Diagrams also help children see where force is
applied or what can be altered to make work easier.

Table Of Contents:
Be a Word Detective 5
Chapter 1 WORK 6
Chapter 2 MACHINES 10
Chapter 3 FRICTION 12
Chapter 4 PARTS OF A WHEELAND AXLE 22
Chapter 5 GEARS 36
A NOTE TO ADULTS On Sharing a Book 44
LEARN MORE ABOUTSimple Machines 45
Glossary 46
Index 47

Product Details:
* ISBN: 0822522195
* ISBN-13: 9780822522195
* Format: Library Binding, 48pp
* Publisher: Lerner Publishing Group
* Pub. Date: September 2001
* Age Range: 7 to 9

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Greetz Fellow UL'ers
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mazuki `jedi Flatline newartriot aXXo KingBen Paulx1 unisonband

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