| A | B |
|---|
| hypothesis | proposed explanation |
| law | proven over a long period |
| theory | best explanation |
| control | group used as comparison |
| experimental | group with a variable |
| dependent variable | measured during an experiment |
| independent variable | manipulated factor |
| predict | "if then" statement |
| organize data | graph or chart |
| observe | gather information with senses |
| infer | conclude using prior knowledge |
| model | representation of an object |
| analyze | determine if data is reliable |
| fractionate | to crush |
| centrifuge | to separate solids |
| chromatography | separate molecules |
| resolution | power to show detail |
| science | all accumulated knowledge |
