| A | B |
|---|
| Science | is an organized way of using evidence to learn about the natural world. |
| Observation | the process of gathering information about events or processes in a careful, orderly way. |
| Data | the information gathered from observation |
| Inference | a logical interpretation based on prior knowledge or experience |
| Hypothesis | a proposed scientific explanation for a set of obsevation. |
| Spontaneous Generation | hypothesis (disproven) stating that life could arise from nonliving matter |
| Controlled Experiment | a test of the effect of a single variable by changing it while keeping all other variables the same |
| Manipulated Variable (independent variable) | factor in an experiment that a scientist purposely changes; also known as independent variable |
| Responding Variable (dependent variable) | factor in an experiment that a scientist wants to observe, which may change in response to the manipulated variable; also known as a dependent variable |
| Theory | well-tested explanation that unifies a broad range of observations |
| Biology | science that seeks to understand the living world |
| Homeostasis | process by which organisms maintain a relatively stable internal environment |
| Sexual Reproduction | process by which cells from two different parents unite to produce the first cell of a new organism |
| Asexual Reproduction | process by which a single parent reproduces by itself |
| Metabolism | set of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes |
| Stimulus | a signal to which an organism responds |
| Metric System | decimal system of measurement based on certain physical standars and scaled on multiples of 10 |
| Microscope | device that produces magnified images of structures that are too small to see with the unaided eye |
