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PS 2.1 Quiz

Quiz by Rachelle Roy

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10 questions
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  • Q1
    The last step in most scientific investigations is
    communicating the results
    testing the hypothesis
    making a model
    analyzing the evidence
    45s
  • Q2
    Which of the following statements does not meet the criteria for a scientific hypothesis?
    Copper is attracted by a magnet.
    The universe will always exist.
    The moon is made of cheese.
    Plants can grow in artificial light.
    45s
  • Q3
    A student did an experiment to test the hypothesis that salt water freezes at a lower temperature than pure water. What is the independent variable in this experiment?
    temperature of water
    amount of water
    salt content of water
    freezing point of water
    45s
  • Q4
    Researchers always communicate their results by writing them up in textbooks.
    False
    True
    45s
  • Q5
    Scientists always follow the steps of a scientific investigation in the same sequence.
    False
    True
    45s
  • Q6
    Scientists do field studies to gather real-world evidence.
    True
    False
    45s
  • Q7
    Which of the following is an ethical rule for scientific research?
    Any risks of the research must be made public.
    Results should be published only if they support the hypothesis.
    Research cannot be done on animals
    Experiments cannot use human subjects
    120s
  • Q8
    Which word matches the following definition: a variable in an experiment that is held constant so it will not influence the outcome.
    constant
    ethics
    manipulated variable
    field study
    120s
  • Q9
    All questions can be answered by scientific research.
    False
    True
    120s
  • Q10
    Some problems must be investigated in the real world instead of in a lab.
    True
    False
    120s

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