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PB-SC.8.N.3.2 (H)- Explain why theories may be modified but are rarely discarded.

Quiz by Romano, Ellen

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10 questions
Show answers
  • Q1
    Why might scientific theories be modified instead of completely discarded?
    They are always proven wrong.
    Scientific theories are never changed.
    New theories are created from scratch.
    Because they are based on substantial evidence that can still be useful.
    30s
  • Q2
    What is one reason why theories in science remain relevant even after modifications?
    They continue to explain a large number of observations.
    They are based on personal opinions.
    They never change over time.
    They are always completely accurate.
    30s
  • Q3
    What typically causes scientists to modify existing theories?
    Existing theories are always proven wrong.
    New evidence that conflicts with the current understanding.
    Scientists want to create new theories.
    Public opinion on the theory changes.
    30s
  • Q4
    Why are scientific theories considered to have more value than guesses?
    They can never be changed.
    They are based on systematic observations and evidence.
    They are opinions from famous scientists.
    They are just as reliable as myths.
    30s
  • Q5
    How do modifications to a scientific theory strengthen its credibility?
    They demonstrate the theory's ability to adapt to new evidence.
    They indicate that scientists are confused.
    They show that the theory was wrong to begin with.
    They prove that all previous data was incorrect.
    30s
  • Q6
    What happens to a scientific theory when it is found to be outdated?
    It may be updated with new information rather than discarded.
    It is proven to be entirely incorrect.
    It is erased from all scientific literature.
    It is replaced with a completely new theory.
    30s
  • Q7
    What is a common reason why scientists don't discard a theory outright?
    Because it's popular among the public.
    Because it has successfully explained many observations over time.
    Because all theories are the same.
    Because it was created by a famous scientist.
    30s
  • Q8
    Why is it important for scientific theories to evolve rather than be discarded?
    New theories are always wrong.
    Evolving theories make science less reliable.
    Evolving theories can explain new phenomena while building on established knowledge.
    Discarding them leads to more confusion.
    30s
  • Q9
    What role does peer review play in the modification of scientific theories?
    It guarantees that all theories are correct.
    It makes sure no modifications happen.
    It provides critical feedback that can highlight areas needing change or improvement.
    It is only focused on beginner scientists.
    30s
  • Q10
    What happens when new research challenges existing scientific theories?
    Scientists stop doing research on the topic.
    Theories are immediately discarded.
    New theories are created without considering old ones.
    Theories may be revised to incorporate the new findings.
    30s

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