Wolfe's+Simple+Machines

 http://www.edheads.org/search.shtml?cx=partner-pub-2773771548900739%3A0391919859&cof=FORID%3A10&ie=UTF-8&q=simple+machines&sa=Search&siteurl=www.edheads.org%2F  http://www.edheads.org/activities/simple-machines/teacher.shtml (I’m doing the pre-test on Wednesday)  http://superteacherworksheets.com/simple-machines.html  http://istgrade2.wordpress.com/?s=simple+machines  http://www.beaconlearningcenter.com/weblessons/simplemachines/machines002.htm  http://www.edheads.org/activities/simple-machines/  http://www.msichicago.org/online-science/simple-machines/activities/simple-machines-1/  