Simple Machines

Wheels, Levers, and Pulleys
Title rated 3.95 out of 5 stars, based on 45 ratings
Current format, Picture Book, 2015, Available .
Current format, Picture Book, 2015, Available . Offered in 0 more formats
Kids use simple machines every day without realizing it. Teeth are wedges and so are knives, forks, and thumbtacks. Many toys such as slides, which are inclined planes, and seesaws, which are levers, are also simple machines. Two appealing kids and their comical cat introduce levers, wheels, pulleys, inclined planes, and…

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