| A | B |
| illustrate | to clarify by serving as an example or comparison |
| vary | to modify or alter |
| summary | a brief account giving the main points of something |
| trace | an extremely small amount |
| precede | to be in a position in front of |
| negative | a feature or characteristic that isn't deemed positive, affirmative or desirable |
| design | to formulate a plan |
| reverse | turned backward in position, direction or order |
| ultimate | of the greatest possible size or significance; maximum |
| constant | continually occurring; persistent |
| data | values derived from scientific experiments |
| section | one of several components; a piece |
| manipulate | to move, arrange, operate or control by mechanical means |
| hypothesis | an educated guess based on observations |
| role | a function or position |