| A | B |
|---|
| scientific notation | a way of expressing a value as the product of a # between 1 and 10 and a power of 10 |
| length | astraight line distance between 2 points |
| mass | the amount of matter in an object |
| volume | the amount of space taken up by an object |
| density | the ratio of a material's mass to its volume |
| conversion factor | a ratio of equivalent measurements that is used to convert a quantity from 1 unit to another |
| precision | a gauge of how exact a measurement is |
| significant figures | all digits in a measurment that are directly measured |
| accuracy | the closeness of a measure to the true value of what is measured |
| thermometer | an instrument that measures temperature |
| science | a system of knowledge about the natural world and the methods used to find that knowledge |
| technology | the use of scientific knowledge to solve practical problems |
| chemistry | the study of the composition, structure, properties and reactions of matter |
| physics | the study of matter and energy and the interactions between the 2 through forces and motion |
| geology | the study of the origin, history and structure of Earth |
| astronomy | the study of the universe beyond Earth |
| biology | the study of life and life processes |
| slope | the steepness of a line, equal to the ratio of a vertical change to the corresponding horizontal change |
| direct proportion | a relationship between 2 variables in which their ratio is constant |
| inverse proportion | a relationship in which the product of 2 variables is a constant when all other variables are held constant |
