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1.6: Observations and Experiments

Difficulty Level: At Grade Created by: CK-12
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Vocabulary

control group

A group in a scientific experiment in which the factor being tested, the independent variable, is not applied; used as a basis for comparison.

dependent variable

Variable in a scientific experiment that is being measured as the independent variable is changed.

experiment

Special type of scientific investigation that is performed under controlled conditions to test the validity of a hypothesis.

experimental error

Errors that are made due to problems with the experimenter.

random error

A mistake made by the person performing the experiment or from an event that occurs for no apparent reason.

systematic error

Errors that are due to some problem in the system so that the results are always skewed in one direction.

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Difficulty Level:
At Grade
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Date Created:
Feb 24, 2012
Last Modified:
Aug 29, 2016
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