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Biology Ch. 1.3
Term | Definition |
---|---|
Scientific Method | A series of steps followed to solve problems, including collecting data, formulating a hypothesis, testing the hypothesis, and stating conclusions |
Observation | The process of obtaining information by using the senses; the information obtained by using the senses |
Hypothesis | A testable idea or explanation that leads to scientific investigation |
Prediction | A statement made in advance that expresses the results that will be obtained from testing a hypothesis if the hypothesis is supported; the expected outcome if a hypothesis is accurate |
Experiment | A procedure that is carried out under controlled conditions to discover, demonstrate, or test a fact, theory, or general truth |
Control Group | In an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor |
Experimental Group | In an experiment, a group that is identical to a control group except for one factor and that is compared with the control group |
Independent Variable | In an experiment, the factor that is deliberately manipulated |
Dependent Variable | In an experiment, the factor that changes as a result of manipulation of one or more other factors (the independent variables) |
Theory | A system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation |
Peer Review | The process in which experts in a given field examine the results and conclusions of a scientist's study before that study is accepted for publication |