Fire Away!
Learning about simple and compound machines and how they increase mechanical advantage to help us do work is pretty cool. Building a simple or compound machine and measuring its mechanical advantage, however, is awesome! The grade 12 physics class spent a period building catapults using Popsicle sticks, rubber bands, tape, alligator clips and a spoon. Once their catapults where built, they measured the mechanical advantage they had.
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Nov 18th, 2013 – Popsicle stick Catapults!