Theory, hypothesis, and law The Nature of Science Theory, hypothesis, and law
Hypothesis *Based on background observations and knowledge *(If/then statement – causal or correlational relationship *Educated Guess
SCIENTIFIC LAWS based on repeated experimental observations describing some aspects of the universe. Applies under same conditions Implies causal relationship EQUATION
Example Law of Gravitational Force: represented by an equation F = G × [(m1m2)/r²]F = G × [(m1m2)/r²] Kepler’s Law of Planetary Motion
https://www.youtube.com/watch?v=E43-CfukEgs
THEORY A Principle supported by evidence – lots and lots includes Factual evidence, proven hypothesis, laws of nature Theory never becomes a law- have separate roles in science – a law can strengthen a theory
Examples of Theory Big Bang Theory Theory of heliocentricism Theory of Evolution Theory of relativity