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Weeks 1-3

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
scientific method   a series of steps that a scientist follows to solve a problem or answer a question  
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independent variable   the variable the experiment is designed to test: the factor that the experimenter changes or manipulates  
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dependent variable   the factor that responds to changes in the independent variable; the factor that is measured in an experiment in response to the independent variable  
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control group   a standard set-up in which all variables are controlled and to which the experimental results are compared  
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experiment   a procedure designed to test a hypothesis  
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quantitative data   information or data that is expressed using numbers  
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qualitative data   information or data that is described in words rather than with numbers  
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hypothesis   a possible answer or tentative explanation to a scientific question  
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conclusion   a statement that explains the observations or the relationship between the variables; an explanation of what the results show  
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hydrosphere   the portion of Earth that contains water  
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cohesion   the tendency of water molecules to form weak bonds and stick together  
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adhesion   the tendency of water to stick to other substances  
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polarity   uneven distribution of charges across a molecule  
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surface tension   the force that acts on the particles at the surface of a liquid  
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Created by: karen_lindley
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