| A | B |
| The study of matter and energy is | physics |
| The ____ is a systematic way to observe, experiment, and analyze the world. | scientific method |
| The valid digits i a measurement are called the | signficant digits |
| A(n) _____ describes the relationship between two variables in which an increase in one variable results in the decrease of another variable | inverse relationship |
| On a graph, the _____ is the line drawn as close as possible to all of the data points. | line of best fit |
| A(n) _____ is an educated guess about how variables are related. | hypothesis |
| The _____ is the factor that is changed or manipulated during an experiment | independent variable |
| A(n) _____ is a description of a rule of nature. | scientific law |
| A(n) _____ is a comparison between an unknown quantity and a standard. | measurement |
| A straight line on a graph shows that there is a(n) _____ between the two variables. | linear relationship |