The teaching of the types of Simple Machines is made simple with these digital worksheets and distance learning activities. They include images of examples of the six simple machines: lever, pulley, wedge, screw, wheel and axle, and inclined plane.
This is the Simple Machines Boom Cards. It is hosted at the Boom Learning platform. It can be purchased here at TpT or here at Boom Learning.
I also have some simple machine lesson plans here.