Unit 2: Understanding Structures and Mechanisms - Pulleys and Gears
This strand helps students broaden their understanding of simple machines by looking at two
special kinds of wheels: pulleys and gears. Students will learn that pulleys and gears can transfer
motion from one object to another, transform one kind of motion into another, change the speed and direction of an object’s motion, and change the amount of force needed to move an object.
They will identify how these devices are used to improve everyday life, learn about mechanical
advantage, and apply what they have learned through investigations of their own design.
Online Unit: Pulleys and Gears