| A | B |
|---|
| accuracy | closeness of a measurement to the actual value |
| boiling point | the temperature in which a liquid will change into a gas |
| chemical change | a change that results in the formation of a new substance |
| chemical property | the ability of a substance to undergo chemical reactions and to form new substances |
| compound | a substance that can be seperated into simpler substances (elements) only by chemical means |
| density | the ratio of the mass of an object to its volume |
| ductile | physical property that describes a substance's ability to be puuled into a wire |
| element | a substance than cannot be changed into a simpler substance under normal laboratory conditions |
| error analysis | discussion/reasons why experimental data may differ from expected values |
| experimental | actual data collected from a lab experiment |
| extensive | property that is dependant of the amount of substance present |
| flammability | ability of something to burn or ignite in fire |
| formula | shows the number and type of atoms present in the smallest unit of a substance |
| gram | the base unit for mass |
| heterogenous | a mixture that is not uniform in its composition |
| homogeneous | a mixture that is completely uniform in its composition |
| immiscible | describes liquids that are not soluble in one another |
| insoluble | describes substances that will not dissolve in each other |
| intensive | property that is independant of the amount of substance present |
| length | the measurement of how long something is |
| line of best fit | relationship shownby the average of the data points on a graph |
| liter | the base unit of volume in the metric system |
| mass | the amount of matter an object contains |
| matter | anything that takes up space an has mass |
| melting point | the temperature in which a solid will change into a liquid |
| meter | the base unit of length in the metric system |
| miscible | describes liquids that are soluble in one another |
| mixture | a combination of two or more substances that are not chemically combined |
| percent error | the percent that a measured value differs from the accepted value |
| physical change | the alteration of a substance that does not affect its chemical composition |
| physical property | quality of a substance that can be observed without changing the substance's chemical composition |
| precision | describes the closeness, or reproducibility, of measurements |
| qualitative | measurement that gives descriptive (nonnumeric) results |
| quantitative | measurement that gives numeric results |
| reliability | the consistency of a set of measurements or of a measuring instrument |
| second | the base unit of time in the metric system |
| significant figure | all the digits that can be known precisely in a measurement plus one estimated digit |
| solubility | the amount of substance that dissolves in a given amount of solvent |
| soluble | describes substances that can dissolved in each other |
| solution | a homogeneous mixture |
| suspension | a mixture in which some of the particles will settle out slowly upon standing |
| symbol | a one or two letter representation of an element |
| theoretical | the accepted or expected value |
| volume | the space occupied by a sample of matter |
| centi- | prefix whose value is 100 times smaller than the base unit |
| deca- | prefis whoe value is 10 times greater than the base unit |
| deci- | prefix whose value is 100 times smaller than the base unit |
| hecta- | prefis whoe value is 100 times greater than the base unit |
| kilo- | prefis whoe value is 1000 times greater than the base unit |
| micro- | prefix whose value is 1,000,000 times smaller than the base unit |
| milli- | prefix whose value is 1000 times smaller than the base unit |
| nano- | prefix whose value is 1,000,000,000 times smaller than the base unit |
