Get ready to learn all about pulleys! In this BrainPOP movie, Tim and Moby teach you all about these simple machines, which are among the most useful tools ever invented. Discover how pulleys are designed to decrease the amount of effort you have to expend in order to move a heavy object. You’ll find out about the concepts of resistance force and effort force and how they’re used in different pulleys. You’ll also learn about the components that make up a pulley and how using two of these devices can enable a person to lift an object that weighs more than she does! You won’t have to expend much effort to watch this movie — so have fun!

Science Fair Lesson Plan: Planning Projects with BrainPOP and BrainPOP Jr.

In this lesson plan, which is adaptable for grades K-12, students use BrainPOP and/or BrainPOP Jr. resources to learn about planning projects when they create a science fair exhibit.  They will select their topic, explore the criteria for planning, and design a compelling and realistic experiment based on their topic. This lesson plan is aligned to Common Core State Standards.  See more »