Intro to Science
About this set
Created by:
scaccs on August 10, 2012
Subjects:
Description:
Chapter 1 vocabulary
Classes:
Life Science 7th Grade, Biology 9th Grade
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13 terms
Terms | Definitions |
|---|---|
 observation | use of one or more of the senses—sight, hearing, touch, smell, and sometimes taste—to gather information |
| inference | logical conclusion based on prior knowledge and experience |
| hypothesis | a tentative theory about the natural world |
| controlled experiment | a test of the effect of a single variable by changing it while keeping all other variables the same |
| independent variable | the experimental factor that is manipulated; the variable whose effect is being studied |
| dependent variable | The experimental factor that is being measured; the variable that may change in response to manipulations of the independent variable |
| control group | in an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment. |
| data | evidence; information gathered from observations |
| theory | a tentative conclusion about the natural world |
| bias | a particular preference or point of view that is personal, rather than scientific |
| biology | science dealing with the study of living organisms |
| quantitative data | numerical information describing how much, how little, how big, how tall, how fast, etc. |
| qualitative data | Information describing color, odor, shape, or some other physical characteristic |
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