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Scientific Method

Quiz by Kelly Paxton

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10 questions
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  • Q1
    Ultimately, all scientific knowledge comes from
    observation
    experimentation
    both experimentation & observation
    textbooks
    30s
  • Q2
    A hypothesis must be
    proven correct
    experimental
    testable
    observed
    30s
  • Q3
    A scientist testing the affects of a chemical on apple growth sprays an orchard with the chemical. A second orchard does not receive the chemical. In the fall, the number of apples harvested from each forest is counted. Which of the following is the independent variable?
    the chemical
    the number of apples
    the second orchard
    the first orchard
    30s
  • Q4
    The orchard sprayed with the chemical yields an average of 60 apples per tree, the other orchard yields an average of 40 apples per tree. Based on the data, the scientist would
    test the chemical on other plants.
    determine that the chemical increases apple yield.
    report his data.
    determine that the results were inconclusive.
    30s
  • Q5
    In order for the apple tree experiment to be valid scientifically, both orchards must
    receive the same amount of water
    be planted in the same location
    have the same species of apple tree
    all of these
    30s
  • Q6
    Theories help scientists to
    prove hypotheses.
    explain large bodies of data.
    propose how the natural world works.
    determine truth from lies.
    30s
  • Q7
    In a controlled experiment, a scientist is studying how long it takes parachutes of different sizes to fall to the ground. What is the independent variable?
    the time it takes for the parachute to drop
    the size of the parachute
    the size of the object carried by the parachute
    the height from which the parachute is dropped
    30s
  • Q8
    Measurements of the heights of various plants in an experiment are called
    data.
    inferences.
    inquiries.
    theories.
    30s
  • Q9
    Your friends return from a canoe trip and they are dripping wet. What inference might you make?
    Their canoe tipped over
    They are tired
    They are skillful at canoeing
    Their clothes are wet
    30s
  • Q10
    Proper experimental setup requires a control group for what purpose?
    To increase the chances that your data will support the hypothesis.
    To make sure other scientists can duplicate the experiment.
    None of the above.
    To have something to compare the results with from the experimental group.
    30s

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