| A | B |
| life science | study of living things |
| scientific methods | steps used by scientist to answer questions and solve problems |
| hypothesis | possible explanation or answer to a question |
| weight | measure of gravitational force |
| controlled experiment | experiment that tests only one factor at a time |
| variable | the factor in a controlled experiment that changes |
| theory | an explanation for a broad range of hypotheses and observations that have been supported by testing |
| technology | the application of knowledge, tools, and materials to solve problems |
| compound light microscope | made of a tube with lenses, a stage, and light source |
| electron microscope | uses tiny particles of matter to produce magnified images |
| model | plan or representation designed to show the structure of an object |
| area | measure of how much surface an object has |
| volume | amount of space an object occupies or how much space something contains |
| mass | amount of matter that something is made of |
| temperature | measure of how hot or cold something is |
| scale | relationship between the measurements on a model and the actual measurement |
| law | descriptive statement that predicts events |
| International System of Units | system of measurement used by all scientist around the world |