About the Lesson
This Science Nspired Bell Ringer is intended to introduce simple machines. The Bell Ringer illustrates how there are examples of levers, a type of simple machine, absolutely everywhere in the world around us.
The Bell Ringer is a PublishViewTM document (.tnsp), ideal for large group instruction using TI-Nspire software and a projection device. This Bell Ringer contains a video which may increase the time to download.