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Chapter 1
Chapter 1.1 1.3
9
Biology
9th Grade
09/18/2014

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Term
Science
Definition
an organized way of gathering and analyzing evidence about the natural world
Term
Observation
Definition
the act of noticing and describing events or processes in a careful, orderly way
Term
Inference
Definition
logical interpretation based on what scientists already know
Term
Hypothesis
Definition
scientific explanation for a set of observations that can be tested in ways that support it or reject it
Term
Controlled experiment
Definition
When all variables are unchanged, or controlled
Term
Independent variable
Definition
The variable that can be changed in the experiment (manipulated variable)
Term
Dependent variable
Definition
Changers in response to the Independent variable (responding variable)
Term
Control group
Definition
Exposed to the same condition as the experimental group except for one independent variable
Term
Data
Definition
Detailed records of experimental observations
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