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Nature of Science / Mechanical Energy

Quiz by Robert Stephenson

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20 questions
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  • Q1
    The one factor in an experiment that is purposely changed to test a hypothesis. The "If..." part of a hypothesis.
    Independent Variable
    30s
  • Q2
    The factor in an experiment that may change in response to the independent variable. It is the factor that is measured.
    Dependent Variable
    30s
  • Q3
    An attempt by other scientists to conduct the same experiment.
    Replication
    30s
  • Q4
    Repeating trials in an experiment to confirm findings and to control for errors.
    Repetition
    30s
  • Q5
    A testable answer to a scientific question, phrased as an "If...then..." statement.
    Hypothesis
    30s
  • Q6
    Data that deals with numbers or amounts.
    Quantitative Observations
    30s
  • Q7
    Data that deals with descriptions that cannot be described in numbers.
    Qualitative Observations
    30s
  • Q8
    An error in the design of an experiment.
    Bias
    30s
  • Q9
    A well-tested explanation for a range of observations and results. Theories explain WHY we see what we see.
    Scientific Theory
    30s
  • Q10
    A statement that describes a pattern in nature, but does not explain why it happens. Laws explain WHAT we see.
    Scientific Law
    30s
  • Q11
    Data gathered through scientific observation.
    Empirical Evidence
    30s
  • Q12
    In an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment.
    Control Group
    30s
  • Q13
    Factor in an experiment that a scientist purposely keeps the same
    Controlled Variable
    30s
  • Q14
    Ability of a test to measure what it is supposed to measure and to predict what it is supposed to predict
    Validity
    30s
  • Q15
    Getting the same measurement each time
    Reliability
    30s

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