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Ch. 1.2 & 1.3 - The Methods and Nature of Biology
The Methods and Nature of Biology
11
Biology
10th Grade
09/09/2011

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Term
scientific methods
Definition
The common steps that biologists and other scientists use to gather information and answer questions
Term
hypothesis
Definition
an explanation for a question or a problem that can be formally tested; an educated guess
Term
experiment
Definition
a procedure that tests a hypothesis by the process of collecting information under controlled conditions
Term
control
Definition
the group in an experiment in which all conditions are kept the same
Term
independent variable
Definition
the condition in the experiment that is changed
Term
dependent variable
Definition
the condition that results from the independent variable; it DEPENDS on the independent variable
Term
safety symbol
Definition
a symbol that warns you about a danger that may exist from chemicals, electricity, heat, or procedures you will use
Term
data
Definition
information obtained from an experiment
Term
theory
Definition
an explanation of natural phenomenon that is supported by a large body of scientific evidence obtained from many different investigations and observations
Term
ethics
Definition
moral principles and values held by humans
Term
technology
Definition
the application of scientific research to society's needs and problems
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