Chemistry141-MSU-Boz
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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hypothesis | a tentative explanation or prediction based on experimental observations
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quantitative | numerical data, such as the temperature at which a chemical substance melts, or mass
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qualitative | nonnumerical observations, such as the color of a substance, or physical appearance
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law | a concise verbal or mathematical statement of a behavior or a relation that seems always to be the same under the same conditions
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T/F: Mass is always conserved in chemical reactions. | True
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theory | a well-tested, unifying principle that explains a body of facts and the laws based on them. It is capable of suggesting new hypothesis that can be tested experimentally. It is based on carefully determined and reproducible evidence.
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T/F: Theories can and do change as new facts are uncovered. | True
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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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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:
maryas
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