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Engineer A person who uses scientific knowledge to design useful things
Black Box any system that cannot directly observed and easily understood (Wh1e you know what an object or system does, like TV, but you don't know for sure how it does it, you call it a black box.)
Model a representation or explanation of something that shows how it looks or works through words, drawings and 3D construction.
Physical model a three-dimensional construction designed to explain or represent how something works; a real model that works and can be tested(can be compared the real hum dinger)
Consensus when scientists agree after
Created by: BNJ09