NAS 2 Challenge Exam (2025) – Complete Questions & Correct Answers for Guaranteed Success/NAS 2 CHALLENGE (2025) EXAM QUESTIONS AND ALL CORRECT ANSWERS 100% SOLVED AND GUARANTEED SUCCESS!!

, NAS 2 Challenge Exam (2025) – Complete Questions &
Correct Answers for Guaranteed Success/NAS 2
CHALLENGE (2025) EXAM QUESTIONS AND ALL
CORRECT ANSWERS 100% SOLVED AND
GUARANTEED SUCCESS!!

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

anatomy

branch of science concerned with bodily structure of living organisms; structure

physiology

science dealing with the functions of living things or their organs

level of organization