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Biology Chapter 1

Biology Chapter 1 Section 3

TermDefinition
scientific method the 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 in science an idea or explanation that is based observations and that can be tested
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 correct
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
independent variable in an experiment, the factor that is deliberately manipulated, also called manipulated variable
dependent variable in an experiment, the factor that changes as a result of manipulation of one or more other factors; also called a responding variable
theory an explanation for some phenomenon that is based on observation, experimentation, and reasoning; that is supported by a larger quantity of evidence nad that does not conflict with any existing experimental results or observations
peer review the process in which experts in a given field examine the results and conclusions of a scientists study before that study is accepted for publication.
Created by: cordier.marie
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