What is a pulley, wheel and rope, wheel and axel, what is a screw, a spiral thing, a screwdriver, an inclined ramp, you, what is radiation, rays from the sun warming you up, brightness on your computer, what is an atom, small thing made out of molecules protons and neutrons, a small thing made out of electrons protons and neutrons, what is a lever, a thing you can pry things open with, a thing you can pull up and down, was this quiz good, yes, no.

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