chemistry stack chapter 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 in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is tested.
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| Hypothesis | The theory or guess about the outcome of an experiment.
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| Independant variable | The variable in an experiment that does change.
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| Dependant variable | The variable in an experiment that does not change.
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| Experimental control | Always the same.
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| Density | state or quality of being dense
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| Percent error | (measured value-accepted value/accepted value)100
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| Significant figures | has to do with the accuracy of the number.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
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.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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