Get to know pulleys /
Pulleys
by Karen Volpe.
- New York : Crabtree Pub., c2009.
- 32 p. : ill. (chiefly col.) ; 29 cm.
- Get to know simple machines .
- Get to know simple machines. .
Includes bibliographical references (p. 32) and index.
What is a simple machine? -- How a pulley makes work easier -- Fixed pulleys -- Make a fixed pulley -- Two or more fixed pulleys -- Broomstick pulley -- Moveable pulleys -- Build a moveable pulley -- Pulley systems -- Pulley systems make work easier -- Pulleys all around you -- Pulleys in real life -- Simple machines working together -- Glossary.
Library Media Connection, November 2009 Resource Links, October 2009
Simple text, illustrations, and hands-on activities introduce children to simple machines, discussing pulleys and describing their parts and different uses.