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Hypothesis vs. Theory: The BIG Difference You NEED to Know! - YouTube

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Most people use "hypothesis" and "theory" interchangeably, but science draws a sharp line between a guess and a rigorously tested explanation — and confusing the two has real consequences.

Scientific MethodEpistemologyPhilosophy of ScienceFalsifiability

Theory Briefing

  • A hypothesis is an educated guess awaiting testing, while a theory is a well-substantiated explanation supported by extensive evidence.
  • Misusing these terms — like saying evolution is 'just a theory' — exploits the confusion to unfairly undermine scientific consensus.
  • The scientific method relies on this distinction to separate speculation from knowledge, making it foundational to how science communicates certainty.