Chemistry
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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| Accuracy | How close a measured value is to an accepted value
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| Constants | All other factors, except the one whose effect is being studied
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| Conversion Factor | Ratio of equivalent values used to express the same quantity in different units
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| Density | A ratio that compare the mass of a to its volume
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| Dependent Variable | The variable being measured or watched, also called the outcome or the responding variable
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| Dimensional Analysis | Technique for problem solving that employs conversion factors to get desired units, also known as the factor label method
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| Independent Variable | The variable that is intentionally changed or manipulated by the experimenter
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| Graphical Analysis | Technique used to determine trends, relationships, make predictions, and develop a mathematical model
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| Law of Conservation of Mass | matter can neither be created or destroyed
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| Mass | Amount of matter
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| Matter | anything that has mass and takes up space
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| Measurement | comparison between a standard and the object being measured should include all certain digits and one uncertain digit.
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| Metric System | meter, liter and grams as units of length, capacity and weight or mass.
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| Percent of Error | The ratio of error to the accepted value, used to determine accuracy of an experiment
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| Precision |
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| Significant Figures | The number of all known digits reported in measurements plus one estimated digit.
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| System |
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| Uncertaintly | When recording a measurement it is not possible to measure exactly. Generally uncertainty of a measurement is +/- 0.1
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| Variables | The factors that influence the outcome of an experiment
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| Volume | The amount of space that a substance or object occupies.
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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.
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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:
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