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14 Cards in this Set

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Constant
in an experiment, a factor that doesn't change.
Control
in an experiment, a standard for comparison that is often needed to draw a meanful conclusion
dependent variable
in an experiment, the factor whose value canges because of a change in the independent variable.
experiment
an organized procedure for testing a hypothesis, an experiment typically has control and dependent and independent variables.
Mass
the measure of the amount of matter in an object
hypothesis
a testable prediction used to see how something works or to solve a problem
independent variable
in an experiment, the factor adjusted to a different value by the experimenter to see what effect it will have on the dependent variable
model
a symbolic representation of an idea, system, or structure to make something understandable
volume
the amount of space an object occupies
observation
using your senses to gather information.
physical science
the study of matter and energy; topics for study include chemistry and physics
scientific law
a rule that describes, but doesn't explain, a pattern in nature and predicts what will happen under specific conditions
technology
the practicle use of scientific information to improve the quality of human life
theory
the most logical explanation of why thing work the way they do. A theory is a former hypothesis that has been tested with repeated experiments and observations and found to always work.