A scientific theory is a well-substantiated explanation of some aspect of the natural world that is based on a body of evidence, has been repeatedly tested and confirmed through observation and experimentation, and is consistent with existing scientific knowledge. Scientific theories provide a framework for understanding phenomena and can make predictions about future observations or experiments. They are not mere guesses or hypotheses; rather, they are comprehensive models that have withstood rigorous scrutiny and are accepted by the scientific community until new evidence may alter or refine them. Examples include the theory of evolution, the germ theory of disease, and the theory of relativity.
Scientific theory definition
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