Scientific Method and Measurement
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Created by:
jlw9654 on January 27, 2011
Subjects:
Classes:
Honors Biology (Living Environment) midterm
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18 terms
Terms | Definitions |
|---|---|
 hypothesis | educated guess (suggested, testable answer to to a scientific question) |
| variable | a factor in an experiment |
| independent variable | the variable whose effects are being studied |
| dependent variable | variable whose outcome depends on the independent variable |
| controlled experiment | tests the effects of a single variable |
| observation | gathering information (using the senses) |
| data | information gathered from observations |
| qualitative data | Information describing a physical characteristic (using the senses) |
| quantitative data | numerical data |
| inference | logical conclusion based on observations |
| theory | well-tested explanation of a multiple scientific observations |
| law | universally accepted idea |
| controlled variable | remains the same |
| experimental group | receives independent variable |
| control group | does not have independent variable |
| unit of length | meters |
| unit of volume | millileters |
| unit of mass | grams |
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