Super Simple Machines: Levers

Levers are a simple machine that help us make work easier. But how do they work and how can you make one to help you? Check out this episode with Squeaks and Jessi to learn all about levers!
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SOURCES:
http://www.explorit.org/scienceonline/teacher-resources/TERP_Simple_Machines.pdf
https://dbsenk.wordpress.com/2014/02/05/simple-machines/
http://nashvillepubliclibrary.org/bringingbookstolife/2013/04/29/simple-kitchen-levers/
http://www.mikids.com/Smachines.htm

Images:
Fork:https://commons.wikimedia.org/wiki/File:Fork.agr.jpg
Bottle Opener: https://commons.wikimedia.org/wiki/File:Combination_can_bottle_opener.jpg
Shovel: https://commons.wikimedia.org/wiki/File:NHB_Groundbreaking_Shovel_-_Flickr_-_The_Central_Intelligence_Agency.jpg

Видео Super Simple Machines: Levers канала SciShow Kids