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16 Cards in this Set
- Front
- Back
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Explanation of weight |
Can Change Depends on force of gravity |
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Explanation of mass |
Does not change with gravity Depends in the amount of matter in a substance |
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Density |
A measurement of the mass per unit volume of an object |
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Accuracy |
How close a measured value is to the actual (or true) measurement |
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Precision |
The ability to reproduce measurements under the same conditions |
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Percent error |
A way to determine accuracy |
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Significant figures |
(Measurement) the digits that we are certain of plus one digit that we are uncertain of |
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Extensive property |
Depends on the amount of substance that is on hand |
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Intensive property |
Does NOT depend on the amount of substance that is on hand |
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Physical property |
A characteristic of matter that can be observed without changing the composition of matter (Noun: density, color, odor, melting/boiling point) |
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Chemical property |
A substances ability to undergo changes into one or more different substances with different properties (How does it react or fail to interact with other substances?) |
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Physical change |
A change in a substance that does not change the composition of the substance (Adj: Boiling, melting, breaking/bending) |
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Chemical change |
The ability to combine with it change into one or more other substances (Adj: explosion, rust, corrosion, burn) |
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Solid |
Phase of matter with a definite shape and volume |
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Liquid |
Phase of matter with a definite volume but no shape |
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Gas |
Phase of matter that has NO definite shape or volume |
