| A | B |
| scientist | Someone who observes the world around them. |
| theory | the most logical explanation of events that occur in nature |
| law | a theory that has been tested many times and is generally accepted as true |
| scientific method | a systematic approach to problem solving |
| stating the problem | first step of the scientific method |
| gathering information on the problem | second step of the scientific method |
| forming a hypothesis | third step of the scientific method |
| performing experiments to test the hypothesis | fourth step of the scientific method |
| recording and analyzing data | fifth step of the scientific method |
| stating a conclusion | sixth step of the scientific method |
| hypothesis | a proposed solution to a scientific problem |
| variable | the one factor that is being tested in an experiment |
| experimental setup | the part of the experiment that contains the variable |
| control setup | same as the experimental setup but does not contain the variable |
| data | recorded observations and measurements |
| constants | identical procedures used to ensure valid results |
| independent variable | that which is manipulated by the experimentor |
| dependent variable | that which changes or responds in an experiment |
| observation | watching something attentively and making a comment |
| inference | explaining or interpreting an observation |