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11 Cards in this Set
- Front
- Back
International System of Units (SI)
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internationally accepted system of measurement
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percent error
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expression of error as a percentage of the accepted value
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scientific notation
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method of writing or displaying very small or very large numbers
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constant
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factor in an experiment that stays the same
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control group
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contains the same factors as the experimental group, but the independent variable is not changed
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dependent variable
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factor you observe or measure during an experiment
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experimental group
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used to study how a change in the independent variable changes the dependent variable
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independent variable
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factor that you want to test; is changed by the investigator to observe how it affects a dependent variable
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qualitative data
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words used to describe what is observed
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quantitative data
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numbers used to describe what is observed
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variable
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any factor that can have more than one value
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