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Apologia General Science

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Experimental variable   An aspect of an experiment which changes during the course of the experiment  
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Control (of an experiment)   The variable or part of the experiment to which all others will be compared.  
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Surface Tension   Can be thought of as a thin film that stretches across the surface of every liquid  
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Pain Threshold   Some people can experience a lot of pain and barely notice it, while others can experience just a little pain and be miserable  
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Placeboes   Fake Pills  
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Blind studies   Experiments in which the participants do not know whether or not they are a part of the control group.  
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Double-blind Studies   Experiments in which neither the participants nor the people analyzing the results know who is in the control group  
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Subjective   The data being collected depends to some extent on the opinions of people  
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Objective   There is no way opinion can affect the experimental results  
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