Simple machines
Publication Information
New York : Children's Press, c2001.
Physical Description
31 p. : col. ill. ; 19 cm.
Summary
Describes and compares the four kinds of simple machines, levers, pulleys, wheels, and ramps.
Notes
Includes index.
New York : Children's Press, c2001.
31 p. : col. ill. ; 19 cm.
Describes and compares the four kinds of simple machines, levers, pulleys, wheels, and ramps.
Includes index.