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13 Cards in this Set
- Front
- Back
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VARIABLES |
Physical, chemical or biological features or characteristics that can be altered. |
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INDEPENDENT VARIABLE |
The variable you change. |
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PRECISION |
How far the results are spread around the mean value. |
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REPEATABLE |
The original experimenter repeats the experiment with the same apparatus and method and obtains the same result. |
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DEPENDENT VARIABLE |
The variable you measure. |
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VALID |
The conclusions answers the original question, and can only be considered this if a fair test had been conducted. |
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HYPOTHESIS |
An explanation for certain facts or observations. |
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CONTROL VARIABLE |
Variables which may affect the outcome of the result, in addition to the independent variable. |
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FAIR TEST |
An investigation where only the independent variable affect the dependent variable. |
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ACCURACY |
Value obtained is close to the true value. |
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REPRODUCIBLE |
The experiment is repeated by other scientists, or by using different methods or apparatus, and the same result is obtained. |
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COMPOUND |
Atoms of two or more different types are chemically joined together. |
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ISOTOPE |
Atoms that have the same number of protons but a different number of neutrons in the nuclei |
