| A | B |
|---|
| science | way of learning more about the natural world |
| scientifc law | a rule that describes a pattern in nature but doesn't try to explain why |
| life science | study of matter which is anything that takes up space and has mass |
| earth science | study of the earth systems and systems in space, including weather, climate, rocks oceans planets |
| physical science | study of matter, which is anything that takes up space and has mass |
| technology | use of science to help people in some way |
| hypothesis | reasonable guess that can be tested and is basd on what is known and what is observed |
| infer | to draw a conclusion based on an observation |
| controlled experiment | involves changing one factor and observing its effects on one thing while keeping all other things constant |
| variable | factor that can be changed in an experiment |
| independent variable | variable that is changed in an experiment |
| dependent variable | variable that changes as a result of a change in the independent variable |
| constant | variable that is not changed in an experiment |
| model | any representation of an object or an event that is used as a tool for understanding the natural world |
| system | a collection of structures cycles, and processes that relate to and interact with each other |
| data | information gathered during an investigation; recorded form of descriptions, tables, graphs or drawings |
| critical thinking | involves using knowledge and thinking skills to evaluate evidence and explanations |
| scientific theory | a possible explanation for repeatedly observed patterns in nature supported by observations and results from many investigations |
