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16 Cards in this Set
- Front
- Back
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the study of matter and energy
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physics
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the____ is a systematic way to observe, experiment, and analyze the world
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scientfic method
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the valid digits in a measurement
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significant digits
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describes the relationship between two variables in which an increase in one variable results in the decrease of another variable
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inverse relationship
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the line drawn as close as possible to all of the data points
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line of best fit
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an educated guess about how variables are related
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hypothesis
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the fator that is changed or manipulated during an experiment
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independent variable
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description of a rule of nature
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scientific law
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a comparison between an unknown quantity and a standard
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measurement
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a straight line of a graph shows that there is a ___ between the two variabls
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linear relationship
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an explanation supported by experimental results
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scientific theory
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describes how well the results of a measurement agree with the real value
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accuracy
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the factor that depends on the independent variable
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dependent variable
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the method of treating units as algebraic quantities, which can be cancelled
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dimensional analysis
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exists when one variable depends on the square of another
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quadriatic relationship
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The degree of exactness of a measurement
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precision
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