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NOS PRACTICE 1

Quiz by Oksana Tariche

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19 questions
Show answers
  • Q1
    What is true about scientific knowledge?
    New theories are always more reliable than old theories
    New theories are always more reliable than old theories
    Old theories are always more reliable than new theories
    Old theories can be modified with new scientific evidence.
    120s
  • Q2
    Why is scientific knowledge considered durable?
    It does not accept uncertainty.
    It is the absolute truth
    It outright rejects old ideas.
    It is open to change.
    120s
  • Q3
    A scientific theory is based on...
    opinions
    data collected over time
    guesses
    claims
    120s
  • Q4
    All BUT ONE statement could describe a scientific theory. That is:
    Scientific theories can be overturned by new evidence.
    Description of how nature behaves under certain conditions
    Newly discovered evidence may disprove a theory
    New evidence can changes one part of a theory
    120s
  • Q5
    What happens if new scientific evidence does not fit an already published theory?
    Old theories must be thrown out.
    New theories are always true.
    Old theories can be modified with new scientific evidence.
    New theories are always better than old theories.
    120s
  • Q6
    In science, repetition and replication are necessary because they
    allow you to save time
    allow you to save money
    allow you to test more than one variable at a time
    make your results more reliable
    120s
  • Q7
    Repetition is conducting MULTIPLE TRIALS. Why is this important and necessary?
    to reduce the costs
    to increase the consistency and reliability of the results
    to make sure the experimental hypothesis is right
    to change procedures
    120s
  • Q8
    Which of the following best supports a scientific explanation?
    hypothesis
    personal opinion
    experimental data
    the originality of an explanation
    120s
  • Q9
    Which of these is least likely to provide evidence to support a scientific theory?
    Repeated observations
    Strong opinions
    Replicated results by other scientists
    Accurate measurements
    120s
  • Q10
    How many variables should be manipulated in a correctly performed scientific experiment?
    as many as needed
    none
    1
    2
    120s
  • Q11
    When scientists obtain new evidence, what happens to an existing scientific theory?
    It becomes a law.
    It is reevaluated.
    It is revised.
    It remains the same.
    120s
  • Q12
    The Independent variable is the one that...
    ..you measure to see how it is affected by the test variable
    ...you change on purpose to test its effect
    you compare to the tested group
    you keep constant throughout your investigation
    120s
  • Q13
    The Dependent variable is the one that...
    you keep constant throughout your investigation
    ..you measure to see how it is affected by the test variable
    you compare to the tested group
    ...you change on purpose to test its effect
    120s
  • Q14
    A Controlled Variable is the one that...
    ..you measure to see how it is affected by the test variable
    you keep constant throughout your investigation
    you compare to the tested group
    ...you change on purpose to test its effect
    120s
  • Q15
    In this graph, the Independent variable is
    Question Image
    Temperature
    Time (Days)
    Temperature after 100 minutes
    Time (minutes)
    120s

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