| A | B |
|---|
| Theory | most logical explanation for events that happen in nature |
| Law | Summarizing statement of observed experimental facts that has been tested many times and is generally accepted as true |
| Zoology | study of animals |
| Botany | study of plants |
| Ecology | study of relationships and interactions of living things with one another and with their environment |
| scientific method | systematic approach to problem solving |
| hypothesis | suggested solution to a problem |
| variables | factor being tested in an experiment |
| control experiment | experiment done in exactly the same way as another experiment, but without the variable |
| data | recorded observations and measurements |
| metric system | universal system of measurement |
| meter | basic unit of length in the metric system |
| liter | gasic unit of volume in the metric system |
| mass | measure of the amount of matter in an object |
| weight | measure of the attraction between objects due to gravity |
| Newton | basic unit of weight in the metric system |
| density | measure of how much mass is contained in a given volume of an object |
| microscope | instrument that produces an enlarged image of an object |
| electron microscope | microscope that uses a beam of electrons to magnify objects |
| x-ray | radiation photo |
| anti- | against |
| bio | living |
