| A | B |
|---|
| Life Science | study of living things |
| scientific methods | series of steps to solve a problem |
| hypothesis | explanation that is based on prior knowledge and can be tested |
| controlled experiment | tests only one factor at a time |
| variable | factor to be tested |
| Model | a design to show the structure of a object |
| theory | explanation that ties together hypothesis and observations |
| law | summary of many experimental results |
| technology | the use of tools, machines, and processes to meet human needs |
| compound light microscope | instrument that magnifies small objects using 2 or more lenses |
| electron microscope | focuses a beam of electrons to magnify objects |
| area | measure of the size of a surface |
| volume | measure of the size of a body in a 3-dimensional space |
| mass | measure of the amount of matter in an object |
| temperature | measure of how hot or cold something is |
| safety symbols | for protection during labatory experiments |
| gram | metric system unit used to measure weight |
| prefix | words that are placed in front of |
| metric system | measurement used by scientists |
