Term
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Definition
| the use of carefully controlled experiments to answer scientific questions |
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Definition
| data consisting of descriptive observations |
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Definition
| data consisting of numbers obtained by measurement |
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Term
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Definition
| a proposition put forth as the possible explanation for, or prediction of, an observation or a phenomenon |
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Term
law of nature/
scientific law |
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Definition
| a concise statement of a constant relationship among phenomena |
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Term
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Definition
| a unifying principle that explains a law based on experimental observations |
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Definition
| summarizes a relationship but does not explain it |
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| quantitative measurements |
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Definition
| measurements in which the result is expressed as a number |
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Term
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Definition
| notes of general characteristics such as color, odor, taste, and the tendency to undergo chemical change in the presence of other substances |
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Definition
| notes of general characteristics such as color, odor, taste, and the tendency to undergo chemical change in the presence of other substances |
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| the Law of Conservation of Mass |
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Definition
| in a chemical reaction, the total mass of the reacting substances is equal to the total mass of the products formed |
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Term
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Definition
| the expression of a number as multiplied by a power of ten |
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Term
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Definition
| preferred system of units used in scientific work |
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Term
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Definition
| all measurements in terms of just one set of metric units |
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Term
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Definition
| all measurements in terms of just one set of metric units |
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Term
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Definition
| characterizes an object's inertia, or resistance to being moved, and is an intrinsic property of the object |
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Term
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Definition
| equals the force of attraction of an object to a large body, such as the earth or moon |
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Term
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Definition
| a property that constitutes a quantitative measure of relative tendency of heat to escape from an object |
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Term
kilo-
centi-
milli-
micro-
nano- |
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Definition
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Term
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Definition
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Term
intensive property
temperature, density, melting point |
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Definition
| independent of sample size, examples? |
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Term
extensive property
volume, length, mass |
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Definition
| dependent of sample size, examples? |
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Term
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Definition
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Term
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Definition
| the mass per unit volume of a substance |
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Term
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Definition
| S.I. Unit for energy, equals? |
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Term
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Definition
| how close to the true value a given measurement is |
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Term
precision;
standard deviation |
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Definition
| how well a number of independent measurements agree with each other; characterized by the __________. |
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Term
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Definition
| method that uses a conversion factor to convert a quantity expressed in one unit to an equivalent quantity in a different unit |
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Term
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Definition
| states the relationship between two different units |
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Term
| % error = average exp value – true value/true value X 100 |
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Definition
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Term
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Definition
| ability to cause a change in a physical system |
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