| A | B |
| science | a way of learning more about the natural world |
| scientifc theory | an attempt to explain a pattern observed repeatedly in the natural world |
| scientific law | a rule that describes a pattern in nature |
| system | a collection of structures, cycles and processes |
| life science | the study of living systems and the way they interact |
| earth science | the study of earth's systems and the systems in space |
| physical science | the study of matter and energy |
| technology | the use of science or applied science |
| hypothesis | an educated guess or answer |
| infer | to draw a conclusion based on an observation |
| controlled experiment | changing one factor and observing its effect on another while keeping all other constant |
| variable | factors that can be changed in an experiment |
| independent variable | a variable that is changed |
| dependent variable | changes as a result of the change in the independent variable |
| constant | variables that are not changed in an experiment |
| model | a representation of a model or event |
| critical thinking | combining what you already know with new facts |
| data | observations in an experiment |