Review what the students have been exploring and review the concept that the force required to do work is not changed but redistributed. As a homework assignment have the students record those machines that use an inclined plane to do work at their homes. Extension Activities Reexamine the model of the inclined plane that used the least amount of effort to get the work done. Reexamine the model of the inclined plane that used the greatest amount of effort to get the work done. Assessment Use the extension ideas above to have the students draw inclined planes at work in the community.
Students can label their drawings and explain the work being done.