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