| A | B |
|---|
| earth science | the scientific study of Earth & the universe around it |
| geology | scientific study of origin, history & structure of Earth; processes that shape Earth |
| oceanography | scientific study of ocean: properties & movements of ocean water; ocean floor; organisms in ocean |
| meoeorology | scientific study of Earth's atmosphere, especially in relation to weather & climate |
| astronomy | scientific study of the universe |
| observation | the process of obtaining information by using the senses |
| hypothesis | an idea or explanation that is based on observations & that can be tested |
| independent variable | in an experiment, the factor that is deliberately manipulated |
| dependent variable | in an experiment, the factor that changes as a result of manipulation of other factors |
| peer review | the prcoess in which experts in a given field examine results & conclusions before the study is accepted for publication |
| theory | the explanation for some phenomenon: based on obervation, experimentation; supported by quantities of evidence |
