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Item Information   Copy / Holding Information     Table of Contents     More Content       More by this author     Challen, Paul C. (Paul Clarence), 1967-     Subjects     Screws -- Juvenile literature.     Simple machines -- Juvenile literature.     Browse Catalog     by author:      Challen, Paul C. (Paul Clarence), 1967-       by title:      Get to know screws /...       by call number:      621.882 C437g     Search the Web     Challen, Paul C. (Paul Clarence), 1967-     Screws -- Juvenile literature.     Simple machines -- Juvenile literature.       MARC Display

Get to know screws / Paul Challen. by Challen, Paul C. (Paul Clarence), 1967- Crabtree Pub. Company, c2009. Call #: 621.882 C437g Subjects Screws -- Juvenile literature.   Simple machines -- Juvenile literature. Series Get to know simple machines ISBN:  9780778744863 (pbk. : alk. paper) 0778744868 (pbk. : alk. paper) 9780778744696 (reinforced library binding : alk. paper) 0778744698 (reinforced library binding : alk. paper) Description:  32 p. : col. ill. ; 29 cm. Bibliography:  Includes Internet addresses (p. 32) and index. Contents:  Screws and simple machines -- The basic design -- How screws work -- Making work easier -- Fastening and joining -- How a screw fastens -- Other uses of screws -- A screw as a drill -- Screws and screwdrivers -- Do i need a screwdriver? -- Look out for that pitch! -- Calculating pitch -- Working together -- Glossary. Summary:  All people have jobs to do. Some jobs take a lot of energy. Simple machines help people get jobs done without working too hard. There are six kinds of simple machines: inclined planes, levers, pulleys, wedges, screws, and wheels and axles. This book focuses on screws. Holds:  0   Copy/Holding information Location Collection Call No. Item type Status   Central Library Children's Nonfiction 621.882 C437g Childrens Books Checked in Add Copy to MyList

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