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Biology: Chapter 1.3

Chapter 1.3 Vocabulary

TermDefinition
Scientific Method an organized approach used to learn how the natural world works
Observation the art of perceiving a natural occurrence that causes someone to pose a question
Hypothesis a proposed explanation for the way a particular aspect of the natural world functions
Prediction a statement that forecasts what would happen in a test situation if the hypothesis were true
Experiment used to test a hypothesis and its predictions
Control Group provides a normal standard against which the biologist can compare results of the experimental group
Experimental Group identical to the control group except for one factor
Independent Variable the one factor that makes the experimental group different from the control group
Dependent Variable the variable the scientist observes or measures; is affected by the independent variable
Theory when a set of related hypotheses is confirmed to be true many times, and it explain a great amount of data, scientists often reclassify it as this
Peer Review scientists who are experts in the field anonymously read and critique that research paper
Created by: truongm19