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Examen
NAS2 Challenge Exam Verified Solutions
NAS2 Challenge Exam Verified Solutions 
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...