Wedge
http://www.edheads.org/activities/simple-machines/
http://aspire.cosmic-ray.org/Labs/Machines/act1a/lab1.html Http://brainpop.com http://atlantis.coe.uh.edu/archive/science/science_lessons/scienceles1/wedge.htm http://www.mikids.com/SMachinesWedges.htm |
Aniya T
Darah A Alani E |