In everyday use, the word "theory" often means an untested hunch, or a guess without supporting evidence. ... A theory not only explains known facts; it also allows scientists to make predictions of what they should observe if a theory is true. Scientific theories are testable. (2)
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In everyday use, the word "theory" often means an untested hunch, or a guess without supporting evidence. ... A theory not only explains known facts; it also allows scientists to make predictions of what they should observe if a theory is true. Scientific theories are testable. (2)