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TO KINETIC ENERGY IN THE BLINK OF AN EYE. CATAPULTS ARE A BATTLE WEAPON DATING BACK TO MEDIEVAL TIMES, AND NOW THAT SAME CONCEPT SHAPES OUR DAY TO DAY LIVES. FIRST WARNING METEOROLOGIST MARQUISE MEDA ...

GRANITE QUARRY — Presented in PowerPoint format, concepts like proportions and kinetic energy might seem distant, but two Erwin Middle School teachers took their classes outside and let those lessons ...