| Term | Definition |
| scientific method | systematic way to solve scientific questions |
| scientific question | a testable problem to solve |
| hypothesis | predicted answer to scientific question |
| procedure | list of directions that tests the hypothesis |
| control group | part of the procedure that has no treatment (not the tested change) |
| experimental group | part of the procedure that has the treatment (the tested change) |
| data | procedure produces these observations and/or measurements |
| data table | data is recorded into this, data is stored in this |
| graph | data (often calculations) is displayed in this to see the relationships between the variables |
| conclusion | the final answer to the question based on the data |
| manipulated variable | variable that is not affected by the other variable |
| responding variable | variable that is affected by the other variable |