Final Practice Exam for NAS 2 Challenge Questions and Answers 2024

Final Practice Exam for NAS 2 Challenge Questions and Answers 2024 Describe the purpose of the scientific method - CORRECT ANSWER-solve a problem or answer a question Order and describe the steps of the scientific method. - CORRECT ANSWER-Question, Hypothesis, Experiment, Observe & Record, Analyze, Conclude Independent variable - CORRECT ANSWER-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 - CORRECT ANSWER-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 - CORRECT ANSWER-does not receive treatment and used to compare or measure the other subjects Hypothesis - CORRECT ANSWER-A testable prediction, often implied by a theory Theory - CORRECT ANSWER-A hypothesis that has been tested with a significant amount of data Sample Size - CORRECT ANSWER-the number of times a measurement is replicated in data collection Trials - CORRECT ANSWER-the number of times an experiment is repeated Placebo - CORRECT ANSWER-something which has a positive mental effect, but no physical effect Constants/Controlled Variables - CORRECT ANSWER-the conditions of the experiment that we keep the same. Identify the parts of the compound light microscope and describe their functions. - CORRECT ANSWER- jective%20lens%20is%20active. Describe basic technique for using the compound light microscope. - CORRECT ANSWER-