Mrs. Israel Chapter 1 Vocab
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Created by:
kevinogara on September 15, 2011
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19 terms
Terms | Definitions |
|---|---|
 Control | the standard that you compare to in an experiment |
| Density | the amount of mass in a unit of volume |
| Constant | a measurement in an experiment that never changes |
| Experiment | a controlled test |
| Dependent variable | the variable in an experiment that changes because of the independent variable, goes on the y-axis |
| Model | something that stands for an idea, event, or object that makes it easier to understand |
| Bias | a scientist using their own opinion to change the results of an experiment |
| Hypothesis | an educated guess about the results of an experiment |
| Independent variable | the variable in an experiment that the scientist changes, goes on the x-axis |
| Graph | a visual tool to represent data |
| Theory | a system of ideas backed by scientific data that explains something |
| Scientific method | a method of procedure that scientists use to perform an experiment |
| Volume | a measurement of how much space is taken up by an object |
| Quantitative observation | an observation involving numbers |
| SI | a standard of measurements used by scientists that is based on the powers of 10 |
| Standard | an exact quantity to compare measurements |
| Inference | a conclusion based on scientific evidence |
| Quantitative observation | an observation involving words |
| Scientific law | an explanation of nature that all scientists agree with |
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