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A CHAPTER 1 VOCAB
SCIENCE AND SCI METHOD
| Term | Definition |
|---|---|
| science | gather/organize information about the natural world |
| observation | process of noticing/describing events |
| inference | logical interpretation based on prior knowledge |
| hypothesis | possible explanation for a set of observations OR a possible answer to a scientific question |
| controlled experiment | experiment in which only 1 variable is changed |
| independent variable | factor in an experiment that is deliberately changed |
| dependent varible | variable that is observed and changes based on what happens to the independent variable |
| control group | exposed to same conditions as experimental group....except for 1 variable |
| data | information/evidence gathered from observations |
| theory | well tested explanation that unifies many observations/hypotheses |
| bias | particular preference or point of view |
| biology | study of life |
| DNA | genetic material inherited from parents |
| stimulus | signal to which an organism responds |
| sexual reproduction | cells from 2 parents unite to form offspring |
| asexual reproduction | process of reproduction involving a single parent |
| homeostasis | constant internal conditions of living things |
| metabolism | the combination of chemical reactions occurring inside of a living organism |
| biosphere | zone around earth where all life exists |