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 national science education standards Unifying Concepts and Processes: Evidence, Models, and Explanation; Unifying Concepts and Processes: Form and Function; Science as Inquiry; Physical Science; and Science and Technology as outlined by the National Academics of Science and endorsed by the National Science Teachers Association.
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ADULTS ON SHARING Andy King big paper clip bobbin Burnie Chapter children's literature complicated machines compound pulley doorknob holds easier to lower fixed pulley floor force that pulls force to lift friend hold glossary gravity helps helps readers find Hook index helps readers keeps the string kind of force kind of pulley less force less friction lift the load load moves load's weight Loop the string lot of force lower the book machines are called Minneapolis move an object moveable pulley Northern Illinois University object you want objects to experiment photographs pull downward pulley lets pulley moves pulley's pulling with gravity Raise and lower readers find information rope Roseann Feldmann screwdriver in place shaft SHARING A BOOK six simple machines spinning wheel spins easily spool spring scale stones or sand stops moving objects straw string both move string rubs string to lift units of force window blinds Word Detective