We are working on a unit on simple machines. Ask your student about them, they should be thinking about simple machines that they use and see in everyday life.
Fun for school
We will be doing this activity in school- simply machines http://www.edheads.org/activities/simple-machines/frame_loader.htm
Fun for home
simple machines http://www.mikids.com/Smachines.htm
videos and games http://www.neok12.com/Simple-Machines.htm