SIMPLE MACHINES

Essential Question(s) 

How do simple machines help us to do work?

Content Learning Targets

• Students make a device for measuring the strength of a push or pull
• Students learn that work is accomplished when a force is applied to an object and the object moves
• Students are introduced to the six types of simples machines:
• the lever
• the wheel and axle
• pulley
• inclined plane
• wedge
• screw
• Students discover that friction is a force that resists motion
• Students discover how wheels reduce friction
• Students investigate how gears are used to transfer force and motion
• Simple machines make work easier