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Chmistry test 5-2

Scientific Method

a logical approach to solving problems that lend themselvs to investigation the scientific method
step of the scientific method where you should write it as a question r in precise terms define the problem
find out everything that is known about the problem; inclues observations, research, investigating other experiments gather information
usually states as "cause and effect", must be testable with an experiment form a hypothesis
a factor that changes in an experiment variable
the factor that is manipulated or changed directly by the experimenter independent variable
factor or factors that change in response to the independent variable dependent variable
used as a standard for comparison. used to show that the results of the experiment are due to the independent variable control
those factors which remain the same in the experimental group and the control group and do not affect the test constant
observations and measurements collected during an experiment data
descriptive data is ____ qualitative
numerical data is ____ quantitative
may be visual, verbal, or mathematical models
broad generalization that explains a body of phenomena theory
independent variable is graphed on the ___ axis x
dependent variable is graphed on the __ axis y
Created by: lovecamille018



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