| A | B |
| science | way of learning more about the natural world |
| scientific theory | attempt to explain a pattern observed repeatedly in the natural world |
| scientific law | a rule that describes a pattern in nature |
| system | collection of structures, cycles, and processes that relate and interact with each other |
| life science | study of living systems and the ways they interact |
| Earth science | study of Earth systems and the systems in space |
| physical science | study of matter and energy |
| technology | practical use of science, or applied science |
| hypothesis | a reasonable and educated possible answer on what you know and what you observe |
| infer | to draw a conclusion |
| controlled experiment | involves changing one factor and observing its effect on another while keeping all other factors constant |
| variables | factors that can be changed in an experiment |
| independent variable | variable that is changed in an experiment |
| dependent variable | changes as a result of a change in the independent variable |
| constants | variables that are not changed in an experiment |
| model | representation of an object or an event used as a tool for understanding |
| critical thinking | combining what you know with the new facts that you are given |
| data | information gathered during an investigation |