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28 Cards in this Set
- Front
- Back
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Accuracy |
refers to how close a measurement is to the true or actual value |
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Balance |
an instrument used to determine the mass of an object by comparing the unknown mass with the known mass |
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Chemistry |
the study of the structure and properties of matter |
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Counting number |
a natural number, has an infinite number of significant digits |
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Density |
mass per volume
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Energy |
a property of matter that can be converted to work under the proper circumstances
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Inertia |
the tendency of an object to resist any change in its velocity |
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Kelvin |
the SI unit for temperature |
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Kilogram |
SI unit for mass |
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Kinetic Energy |
the energy of an object due to its motion |
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Law of Conservation of Energy |
energy is conserved in all nonnuclear changes; it cannot be created or destroyed |
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Law of Conservation of Mass-Energy |
although they can be inter converted, the total amount of mass and energy in the universe is constant |
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Law of Conservation of Mass |
mass is conserved in all nonnuclear changes; it cannot be created or destroyed |
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Length |
distance covered by a straight line segment connecting two points |
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Mass |
a measure of the quantity of matter |
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Matter |
anything that exhibits the property of inertia |
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Meter |
SI unit of length |
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Model |
an arrangement analogous to and useful for understanding a system in nature |
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Potential Energy |
the energy of an object due to its position |
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Precision |
refers to how close asset of measurements for a quantity are to one another |
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Qualitative |
an observation describing something without using any measurements |
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Quantitative |
to use measurements to describe something during this type of observation |
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Radiant Energy |
energy being transferred between objects by electromagnetic waves |
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Second |
SI unit for time- 1/864,000 of an average day |
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Significant Digit |
in measurement, any number that occupies a place for which an actual measurement was made |
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Temperature |
a measure of the average kinetic energy of particles in the sample |
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Time |
interval between two occurrences |
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Weight |
measure of the force of gravity between 2 objects |
