Sci 8 Set 1
About this set
Created by:
StefBT on July 6, 2011
Subjects:
science, the scientific method, the nature of science, the design process
Description:
Don't forget to study your 5 mastery words extra closely--those questions will be worth double points on the quiz!
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15 terms
Terms | Definitions |
|---|---|
 science | an organized way of using evidence to learn about the natural world |
| the scientific method | 1 define the problem, 2 collect information about the problem, 3 form a hypothesis, 4 experiment to test the hypothesis, 5 make observations and record data, 6 draw a conclusion, 7 publicize the results |
| hypothesis | possible explanation for a set of observations or possible answer to a scientific question |
| prediction | a logical statement about what will happen if the hypothesis is correct |
| data | evidence; information gathered from observations |
| 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 |
| variable | any factor that can change in an experiment |
| independent variable | the variable you change to see how it will affect the dependent variable |
| dependent variable | the outcome factor; the variable that may change in response to manipulations of the independent variable |
| controlled variable | factor in an experiment that a scientist purposely keeps the same |
| accuracy | a measure of how close a measurement comes to the actual or true value of whatever is measured |
| precision | a measure of how close a series of measurements are to one another |
| validity | the ability of a test to measure what it was designed to measure |
| reliability | the ability of a test to give the same results under similar conditions |
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