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11 terms

Ch.1sect. 2 Scientific Inquiry

STUDY
PLAY
scientific inquiry
The ongoing process of discovery in science; the diverse ways in which scientist study the natural world and propose explanations based on evidence they gather.
hypothesis
proposed explanation or answer to a scientific explanation
variable
a factor that changes in an experiment in order to test a hypothesis
controlled experiment
a test of the effect of a single variable by changing it while keeping all other variables the same
manipulated variable
factor in an experiment that a scientist purposely changes; also known as independent variable
responding variable
factor in an experiment that a scientist wants to observe, which may change in response to the manipulated variable; also known as a dependent variable
operational definition
a statement that describes how to measure a particular variable
data
facts, figures, and other evidence gathered through observations
communicating
the sharing of ideas and experimental findings with others through writing, or speaking
technology
the practical application of science to commerce or industry
engineer
A person who is trained to use both technological and scientific knowledge to solve practical problems.