| A | B |
| hypothesis | a smart guess that can be tested by experiment or observation |
| theory | an idea that is the best explanation of many observations and helps make new predictions |
| law | a scientific explanation that describes how some part of the world or universe acts under certain conditions |
| observation | the act of noting and recording something |
| predict | guess about what will happen under certain conditions based on observation and research |
| infer | to reason from circumstances, evidence, or premises |
| controlled variable | something constant and unchanged in an experiment |
| variable | in an experiment, a condition that is changed in order to find out the effect of that change |
| analysis | examination and evaluation of the relevant information to select the best course of action from among various alternatives. |
| communicate | the exchanging of information |