| A | B |
| observation | the process of gathering information in a careful, orderly way |
| data | the information gathered from observations |
| inference | a logical interpretation based on prior knowledge or experience |
| hypothesis | a proposed scientific explanation for a set of observations |
| controlled experiment | a test in which only one variable is changed |
| manipulated variable | also called independent variable, the variable that is deliberately changed |
| responding variable | also called dependent variablem, the variable that changes because of the manipulated variable |
| variables | factors in a experiment that can change |
| conclusion | use experiment data to support or refute the hypopthesis |
| theory | a well supported hypothesis |
| asexual reproduction | a new organism forms from a single parent |
| controlled variable | the variables that are kept the same throughout an experiment |
| metabolism | the chemical reactions in the body that build up or break down materials |
| stimulus | a signal to which an organism responds |
| homeostasis | the process by which organisms maitain a stable internal environment |
| quanitative data | observations obtained by counting or measuring |
| peer review | scientific papers are read & judged by independent, anonymous experts |
| science | an organized way of using evidence to learn about the natural world |
| biology | the science that seeks to understand the living world |
| qualitative data | descriptions, characteristics that can't be counted |
| evolution | change over long periods of time to survive changing environments |
| control group | a group exposed to the same conditions except for the independent variable |
| bias | a particular preference or point of view that is personal, not scientific |
| DNA | a molecule containing the genetic code of living things |
| biosphere | the part of Earth where life exists, including land, water, and atmosphere |
| skepticism | to question existing ideas & hypotheses |
| law | concise, specific descriptions of how one aspect of the natural world should behave in a given situation |
| open-mindedness | willingness to accept new, different ideas |
| creativity | think outside the box to design experiments |
| curiosity | inquisitiveness, what killed the cat |