| A | B |
| hypothesis | an educated guess about the solution to a problem |
| control | used to show that the result of an experiment is really due to the condition being tested |
| variable | factor that changes in an experiment |
| experiment | organized process used to test a hypothesis |
| conclusion | a judgment based on the results of an experiment |
| theory | a logical explanation for events that occur in nature |
| data | observations and measurements recorded during an experiment |
| law | statement describing (but not explaining) a natural event or phenomenon |
| dependent variable | one that is measured |
| independent variable | one that is manipulated by researcher |