chemistry, chapter one, vocabulary list one
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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Scientific method | a method of research in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.
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Hypothesis | An educated guess.
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Independent variable | a variable in a functional relation whose value determines the value or values of other variables, as x in the relation y = 3 x 2.
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Dependent variable | the event studied and expected to change when the independent variable is changed.
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Experimental control | the object you experiment on.
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Density | the state or quality of being dense; compactness; closely set or crowded condition.
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Percent error | % error=measured value-accepted value/ accepted value*100
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Significant figures | all the nonzero digits of a number and the zeros that are included between them or that are final zeros and signify accuracy: The significant digits of 0.01230 are 1, 2, 3, and the final 0, which signifies accuracy to five places.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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