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Vocabulary
chapter 1
14
Physics
9th Grade
08/30/2006

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Term
Scientific Method
Definition
an orderly method for gaining, organizing, and applying new knowledge.
Term
Hypothesis
Definition
an educated guess; a reasonable explanation of an observation or experimental result that is fully sccepted as a factual unit tested over again by experiment.
Term
Controlled Experiment
Definition
experiments are usually set up as a controlled experiment
Term
Variables
Definition
conditions that can change or be changed
Term
constants
Definition
all other variables are kept the same between the testing groups
Term
Control
Definition
used as a comparison to see the effect of the changed variables.
Term
Independent Variable
Definition
the experimental group has conditions that are purposely changed to test its variables.
Term
Dependent Variables
Definition
the effect it has
Term
Fact
Definition
a close agreement by competent observervations of the same phenomena.
Term
Inference
Definition
a conclusion based on premise.
Term
Law/Principle
Definition
a genral hypothesis or statement about the relationship of natural quantities that has been tested over again and has not been contradicted.
Term
Theory
Definition
a synthesis of a large body of information that encompasses well-tested and verified hypothesises about aspects of the natural world.
Term
Science
Definition
answers to questions build up the body of knowledge that is science. Science is a way of thinking and a body of knowledge.
Term
Technology
Definition
is a method of solving practical problems
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