| A | B |
|---|
| variable | a factor that can be changed in an experiment |
| control | a standard of comparison for checking or verrifying the results of an experiment. ie: a plant just given sunlight & water |
| independent variable | A variable that is changed in an experiment |
| dependent variable | A variable that changes as a result of changing the independent variable |
| constant | a 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 |
| critical thinking | involves using knowledge and thinking skills to evaluate evidence and explanations |
| data | information gathered during an investigation: tables, charts, graphs, etc. |
| hypothesis | reasonable guess rhat can be tested and is based on what is known and observed |
| infer | to draw a conclusion based on an observation |
| controlled experiment | involves changing one factor and observing its effect on one thing while keeping all other things constant |
