| A | B |
| Celcius | temperature scale in which there are 100 degrees between freezing and boiling points of water |
| centimeter | one-hundreth of a meter |
| control | an experiment run without a variable in order to show that any data from the experimental setup was due to the variable being tested |
| data | recorded observations and measurements |
| density | mass per unit volume of substance |
| hypothesis | a proposed explanation for a scientific problem |
| kilometer | one thousand meters |
| meter | basic unit of length in metric system |
| millimeter | ont-thousandth of a meter |
| scientific method | a systematic approach to problem solving |
| variable | the factor being tested in an experimental setup |