| A | B | 
| value | the worth, usefulness, or importance of something | 
| geology | The study of the origin, history and structure of the solid Earth and the processes that shape it. | 
| oceanography | The study of the Earth’s oceans | 
| meteorology | The study of the Earth’s atmosphere | 
| astronomy | The study of the universe beyond the Earth | 
| scientific method | The 5 step process scientists use to solve problems or answer questions. | 
| Hypothesis | A prediction or educated guess must be testable. | 
| independent variables | Factors in an experiment that is changed by the scientist. | 
| dependent variables | Things in an experiment that change in response to the independent variable. | 
| controls | Variables in an experiment that scientists keep constant (the same). | 
| kilo | 1000 | 
| hecto | 100 | 
| deka | 10 | 
| metric base units | meter, liter, gram | 
| deci | .1 | 
| centi | .01 | 
| milli | .001 |