| A | B |
| fair test | an experiment conducted with only one independent variable |
| independent variable | factor altered by experimenter |
| dependent variable | the factor that changes due to a change of independent variable |
| constant | remains the SAME |
| conclusion | a summary statement at the end of experiment |
| hypothesis | educated guess or if/then statement |
| quantitative data | data with numbers |
| qualitative data | data observed but not measured |
| line graph | a graph that changes over time |
| measures length | metric ruler or meter stick |
| temperature | amount of heat given off by an object |
| observation | what you see, feel, taste hear, or touch |
| mass | measured by a triple beam balance |
| repeated trial | doing an experiment multiple times to get accurate results |
| inference | conclusion based on evidence or clues |
| elapsed time | amount of time that has passed between two given times |
| volume | amount of space taken up by an object |
| graduated cylinder | tool for accurately measuring volume |
| prediction | based on science a future situation |
| length | distance between two points |
| data | information collected during an experiment |
| bar graph | graph with horizontal or vertical bars |
| experiment | a fair test driven by a hypothesis |