SIMPLE MACHINES
USE YOUR IMAGINATION
Wednesday, May 9, 2012
EASY EXLANATIONS OF SIMPLE MACHINES
" MAKE ME GENIUS" EDUCATIONAL VIDEOS
Another easy video to check how simple machines work
Children's museum in New Hamshire
1 comment:
Unknown
August 9, 2012 at 2:54 AM
Really advisory and effective assemblage.
injection molding used
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Really advisory and effective assemblage.
ReplyDeleteinjection molding used