Unit Review: vocab
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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| Precision | Description of how close a set of measurements are to one another.
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| accuracy | Description of how close a single measurement is to the accepted value (the truth).
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| absolute zero | A "temperature" of 0 K. No sample of matter has been measured at this temp. yet
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| significant figures | a systematic way to communicate the level of ceertainty in a measurement. "how certain"
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| measurement | a quantity that has both a number and a unit.
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| weight | a measurement of the effect of the gravitational force on an object.
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| mass | the (amount of matter) present in an object or sample, often measured in grams.
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| international systems of units | si
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| error | =experimental value-accepted value
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| percent error | a way to tell how a measurement error relates to the size/ scale of what is being measured.
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| scientific notation | a coefficient multiplied by an integer power of 10.
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| temperature | a measure of how hot or cold an object is.
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| conversion factor | a ratio of equal measurements, each having a different unit, based on a fact- used to convert from one unit to another unit.
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| density | the ratio of the mass of an object to its volume.
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| dimensional analysis | a systematic way to convert the units on a measurement from one unit to another.
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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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