Start a 10-Day Free Trial to Unlock the Full Review

Why Lesson Planet?

Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!

Simple Machines III - Pulleys

Fourth graders are introduced to a spring scale to show that the forces on both sides of the pulley are the same. They break into groups to lift objects with fixed pulleys and with multiple looped pulleys and then measure the force necessary to lift the objects using a spring scale.

3 Views 11 Downloads

Resource Details

1 more...
Resource Type
Lesson Plans
Instructional Strategy
Inquiry-Based Learning
Usage Permissions
Fine Print