Item Detail Information
All about simple machines
videorecording
All about simple machines
Copies
7 Total copies, 7 Copies are in, 0 Copies are out.
An introduction to the concepts of forces, work, and how machines are used to make work easier. The lever, the wheel and axel, the pulley, the inclined plane, and the screw and wedge are presented and demonstrated.
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Authors
Schlessinger Media
First Light Pictures (Firm)
Subjects
Simple machines.
Video recordings for the hearing impaired.
Language
English
Series
Physical science for children Schlessinger science library.
Dimensions
4 3/4 in. +