| A | B |
|---|
| scientific method | a series of steps that scientists use to answer questions and solve problems. |
| hypothesis | a possible explanation or answer to a question |
| factor | anything in an experiment that can influence the experiment's outcome |
| controlled experiment | an experiment that tests only one factor at a time |
| variable | the factor in a controlled experiment that changes |
| theory | a unifying explanation for a broad range of hypothesis and observations that have been supported by testing |
| technology | the application of knowledge, tools, and materials to solve problems and accomplish tasks |
| compound light microscope | a microscope that consists of a tube with lenses, a stage, and a light |
| electron microscope | a microscope that uses tiny particles of matter to produce magnified images |
| meter | the basic unit of length in the SI system |
| area | the measure of how much surface an object has |
| volume | the amount of space that something occupies or the amount of space that something contains |
| mass | the amount of matter that something is made of; its value does not change with the object's location |
| temperature | a measure of how hot (or cold) something is; specifically, a measure of the average energy of the molecules of a substance |
