| A | B |
| biology | the study of living and once living things |
| Celsius | a scale in which scientists measure tempurature |
| control | a standard for comparing results |
| data | the recorded facts or measurements from an experiment |
| experiment | testing a hypothesis using a series of steps with controlled conditions |
| hypothesis | a statement that can be tested |
| International System of Units | a measuring system based on units of 10 |
| kilogram | a SI unit of mass |
| light microscope | light passes through the object being looked at and then through two or more lenses |
| meter | as SI unit of length |
| scientific method | a series of steps used to solve problems |
| steromicroscope | used for viewing large objects and things through which light can not pass |
| technology | the use of scientific discoveries to solve everyday problems |
| theory | a hypothesis that has been tested again and again by many scientists, with similar results each time |
| variable | something that causes the changes observed in an experiment |
| volume | the amout of space a subatance occupies |