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7 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Experimental variable |
An aspect of an experiment that changes during the course of an experiment |
An aspect... |
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Control (of an experiment) |
The variable or the part of the experiment that all other parts of the experiment will be compared to. |
The variable or part of... |
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Blind experiments |
Experiments in which the participants of the experiments do not know wether or not they are part of the control group. |
Experiments in which |
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Double blind experiments |
Experiments where neither the participants nor the people analyzing the the data, know who is in the control group |
Both don't know who... |
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Whrn is an experimental variable good and when should it be eliminated? |
An experimental variable is good when you are useing it to learn something from the experiment. An experimental variable should be reduced or elimanated when it affects the result of the experiment but you do not learn anything from it. |
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Why can a carefully placed needle float on water, even though the needle is denser than water? |
The needle floats because of surface tension. |
Surface |
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What does soap do to the surface tension of water? |
Soap decreases or reduces the surface tension of water. |
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