Practice Quiz

Praxis II General Science: Content Knowledge Exam Prep - Question List

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116.
A climatologist is investigating the causes of an extended drought in a particular region. Which of the following questions would provide the best foundation for the climatologist's investigation into the causes of the drought?
  1. How could the drought conditions in the region best be managed?
  2. What variables affect the region's precipitation during droughts?
  3. How long did other droughts in the region last?
  4. Why do droughts strike only in certain regions and not others?
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117.
In order to isolate the relationship between two variables in an experiment, scientists must:
  1. Carry out the experiment in a laboratory setting.
  2. Predict the full range of possible outcomes of the experiment.
  3. Control the conditions under which the experiment is carried out.
  4. Limit the scope of the experiment to the investigation of known facts.
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118.
A hypothesis provides which of the following in a scientific investigation?
  1. A question that can be answered by researching existing literature.
  2. A format for outlining the approach to be used in the investigation.
  3. A summary of previous research on the topic being investigated.
  4. A proposed explanation for the phenomena being investigated.
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