| A | B |
| a system of knowledge about the natural world and the methods used to find that knowledge | science |
| the use of scientific knowledge to solve practical problems | technology |
| the study of the composition, structure, properties, and reactions of matter | chemistry |
| the study of matter and energy and the interactions between the two through forces and motion | physics |
| the study of the origin, history, and structure of Earth | geology |
| the study of the universe beyond Earth | astronomy |
| the study of life and life processes | biology |
| an organized plan used for gathering, organizing, and communicating information | scientific method |
| information obtained through the senses | observation |
| a proposed anwer to a question | hypothesis |
| the variable that causes a change in another variable | manipulated variable |
| a variable that changes in response to a change in the manipulated variable | responding variable |
| an experiment in which only one variable, the manipulated variable, is deliberately changed at a time | controlled experiment |
| a well-tested explanation for a set of observations or experimental results | scientific theory |
| a statement that summarizes a pattern found in nature | scientific law |
| a representation of an object or event | model |
| a way of expressing a value as the product of a number between 1 and 10 and a power of 10 | scientific notation |
| the straight-line distance between two points | length |
| the amount of matter in an object | mass |
| the amount of space taken up by an object | volume |
| the ration of a material's mass to its volume | density |
| a ratio of equivalent measurements that is used to convert a quantity from one unit to another | conversion factor |
| a gauge of how exact a measurement is | precision |
| all the digits in a measurement that are directly measured, plus the last digit, which is estimated | significant figures |
| the closeness of a measurement to the true value of what is measured | accuracy |
| an instrument that measures temperature | thermometer |
| the steepness of a line, equal to the ratio of a vertical change to the corresponding horizontal change | slope |
| a relationship between two variables in which their ratio is constant | direct proportion |
| a relationship in which the product of two variables is a constant when all other variables are held constant | inverse proportion |