Exam Questions & Answers.
Theory - CORRECT ANSWER A well-supported explanation about the natural world.
Model - CORRECT ANSWER A visual, mathematical, or three-dimensional representation of something in
the natural world, often smaller than the original.
Law - CORRECT ANSWER Describes a basic principle of nature that always occurs under certain
conditions.
Experiment - CORRECT ANSWER An organized procedure to study something under controlled
conditions.
Observation - CORRECT ANSWER The process of obtaining information by using one or more of the five
senses.
Hypothesis - CORRECT ANSWER A possible explanation for a set of observations or answer to a scientific
question; must be testable.
Independent Variable (IV) - CORRECT ANSWER the factor the researcher manipulates or changes in a
controlled experiment (the cause)
Data - CORRECT ANSWER Information gathered by observation or experimentation that can be used to
calculate or reason.
Inference - CORRECT ANSWER A logical conclusion based on observations.
Qualitative - CORRECT ANSWER Descriptive data using qualities, not numbers.