EscalatorsBook - 2015
This book discusses how an escalator is based off a conveyor system, moving objects up and down using gears. It will allow students to analyze data to determine if a design solution works as intended to change the speed or direction of an object with a push or a pull.
Publisher: Vero Beach, FL :, Rourke Educational Media,, 
Copyright Date: ©2015
Branch Call Number: JNF 621.8676 HIC
Characteristics: 24 pages : colour illustrations ; 21 cm