Chapter 2 Vocabulary
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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| Weight | A measure of the gravitational pull on matter
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| Volume | The amount of space occupied by an object
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| Density | The ratio of mass to volume,or mass divided by volume
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| Accuracy | The closeness of measurements to the correct or accepted value of the quantity measured
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| Precision | The closeness of a set of measurements of the same quantity made in the same way
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| Percentage error | Calculated by substracting the accepted value from the experimental value
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| Significant figure | A measurement consist of all the digits known with certainty plus one final digit, which is somewhat uncertain or is estimated
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| Scientific notation | A method of expressing a quantity as a number multiplied by 10 to the appropriate power
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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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Created by:
Andy Hoang
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