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Name ________________________________
Period: ___________
LAW vs.THEORY
The difference between a law and a theory is often confusing. Use your notes and pages 16-18 of
your textbook to help you understand the difference between scientific law and scientific theory.
1. Using your own words, define a law.
2. Using your own words, define a theory.
3. “Humans are heating up the Earth’s atmosphere.” Is this an example of a law or a theory?
Support your answer.
4. “As galaxies move farther apart from each other, they move faster. A galaxy’s speed is
proportional to its distance.” Is this an example of a law or a theory? Support your answer.
5. Rock layers found deeper are older than shallower layers. Is this an example of a law or a theory?
Support your answer.
6. Explain a theory cannot turn into a law.
7. Use the Venn diagram below to compare and contrast Law vs. Theory.
Law
Theory