| A | B |
| The factor in the experiment that is under control of the experimenter | independent variable |
| The part of the experiment that acts as a standard by which to compare | control |
| A description of what will happen if a certain set of conditions is met is known as | law |
| A broad comprehensive statement supported by a lot of scientific evidence that works as an explanation | theory |
| A testable prediction or educated guess | hypothesis |
| Data based on numerical measurements | quantitative |
| Data based on physical descriptions | qualitative |
| The steps used to gather information to test a hypothesis | scientific method |
| Conditions that are kept the same in an experiment | constants |
| A structured procedure for collecting information to test a hypothesis | experiment |
| Part of an experiment that is measured or counted | dependent variable |
| A fact that everyone can agree upon 100% | observation |
| An assumption that is made from an observation | inference |