chemistry vocabulary chapter 2
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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| qualitatively | property that is described without measurements
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| quantitatively | property is measuredd and described by a number of standard units
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| weight | measure of the force of gravity between 2 objects
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| mass | measure of quantity of matter
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| kilogram | SI standard unit of mass
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| balance | an instrument used to determine the mass of an object by comparing the objects mass to known mass
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| length | the distance covered by a straight line segment connecting two points
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| meter | the standard unit of length
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| time | interval between two occurrences
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| seconds | unit of time
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| temperature | a measure of the average kinetic energy of the particles composing a material
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| kelvin | SI unit of temperature
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| accuracy | how close a measurement is to the true or correct value for the quantity
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| precision | how close a set of measurements for a quantity are to one another, regardless of whether the measurements are correct
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| significant digits | all digits that occupy places for which actual measurements was made
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| counting numbers | natural number; any cardinal number except zero
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| density | mass per unit of volume
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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:
mariapanti