| A | B |
| scientific method | an orderly, systematic approach to a problem |
| hypothesis | proposed solution to a problem |
| variable | a factor being tested in an experiment |
| data | recorded observations & measurements |
| science | search for knowledge about the world |
| procedure | what is done in an experiment |
| experiment | used to test a hypothesis |
| law | scientific idea true for all time |
| theory | scientific idea with supporting evidence |
| direct observations | something seen or measured 'first hand' |
| indirect observation | observation based on how something is affected |
| control | the experiment without the variable |