Unit 1 Vocab JKosch
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 | The agreement between several measurements of the same quantity
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| Accuracy | The agreement between a measured value and the true value
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| Significant digits | The certain digits in a measurement as well as one uncertain digit which you have estimated
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| Quantity | A property that can be measured and described by a number and a unit that names the standard used
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| SI Base Units | Seven fundamental units (meter, kilogram, second, Kelvin, mole, ampere, candela
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| Area | How much surface something covers
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| Volume | Area multiplied by height
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| Data | Observations and facts collected in science
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| Density | Defined as mass per unit volume or ratio of mass to volume
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| Slope | The ratio of the change in y to the corresponding change in x for any two points on a line
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| Constant | Quantity that has the same value as the slope of a straight-line graph representing a direct proportion
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| Macroscopic Observations | Observations made about what you see, feel, and smell in a world made up of matter
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| Chemical changes | Changes that produce a new kind of matter with different properties
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| Melting | The term used to describe the change of solid to liquid
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| Solid | Substance with definite volume and shape
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| Liquid | Substance that flows and takes the shape of it container
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| Gas | Substance that takes the shape of and fills its container
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| Submicroscopic | On an invisible level
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| Fluid | Any substance that flows
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| Mixture | Matter that can be physically separated into component parts
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| Electrolysis | Passing an electric current through a substance, causing it to decompose into new kinds of matter
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| Elements | Pure substances that CANNOT be decomposed into new kinds of matter.
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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:
johnkosch94
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