Simple Machines: PowerPointInteractive Notes with KeyAssessment Task CardsWork, simple machines, inclined plane, wedge, lever, fulcrum, screw, pulley, wheel and axle. *Some Powerpoints may have links to Brain Pop or other external websites. You or your school must have an account to access the BrainPop Videos. These are just extra supplemental resources. See Below Other 4th Grade Science Bundles4th Grade Science lessons for ENTIRE YEAR PART 1 click here4th Grade Science lessons for ENTIRE YEAR P