| A | B |
|---|
| Investigation | observation or study by close examination |
| scientific methods | organized set of investigation procedures (ahead) |
| hypothesis | possible explanation for a problem using what you know & observe |
| experiment | tests the effect of one thing on another using control |
| variable | quantity that may have more than one (1) value |
| dependent variable | factor being measured |
| independent variable | the one factor being changed in experiment |
| constant | factors that do NOT change in experiment |
| control | standard to which test results are compared |
| bias | scientists expectations that can change how results analyzed or conclusions made |
| model | represents an idea, event or object |
| theory | explanation of things or events based on knowledge from observation & investigation |
| scientific law | statement about what happens in nature |
