| A | B |
|---|
| science | way of learning more about the natural world |
| theory | attempt to explain a pattern observed repeatedly |
| law | rule that describes a pattern in nature |
| technology | practicl use of science, applied science |
| hypothesis | reasonable and educated possible answer based on observations |
| infer | draw a conclusion based on observations |
| controlled experiment | changing 1 factor and observing its effect on another while keeping all other factors constant |
| variables | factors that can be changed in an experiement |
| independent variable | variable that is changed in an experiment |
| dependent variable | changes as a result of the independent variable |
| constants | variables that are not changed |
| mineral | inorganic, solid materials found in nature |
| rocks | usually made of 2 or more minerals combined |
| inorganic | uually not formed by living organisms |
| organic | formed from once living organisms |
| streak | true color used in identifying a mineral, found by scratching |
| luster | how light reflects from a mineral |
| Mohs Scale | hardness chart used to identify minerals by what they scratch and what will scrate them back |
| gems | rare minerals that can be cut and polished |
| ores | minearls with enough useful substance that a profit can be made |
