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NAS2 Challenge Exam Questions and answers. 100?curate 12 pages
Purpose of Scientific Method - ✔✔-solve a problem or answer a question
Question, Hypothesis, Experiment, Observe & Record, Analyze, Conclude - ✔✔-steps of scientific
method
Independent variable - ✔✔-a variable that stands alone and isn't changed by the other variables you are
trying to measure, change or controlled
example: age
dependent variable - ✔✔-a variable dependent on other factors, tested or measured
example: test score - factors that go into a score you receive on a test
control group - ✔✔-does not receive treatment and used to compare or measure the other subjects
experimental group - ✔✔-exposed to changes in independent variable
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