| A | B |
|---|
| observation | something you see, smell, taste, etc. |
| inference | an assumption or conclusion based on an observation |
| qualitative | an observation without a numerical value |
| quantitative | an observation with a numerical value |
| meterologists | study the earth's atmosphere |
| astronomers | study space |
| geologists | study the solid earth |
| hydologists | study water |
| biosphere | life on earth |
| lithosphere | solid earth |
| atmosphere | blanket of gases that surround the earth |
| hydropshere | water on earth |
| independent variable | the factor that is changed in an experiement |
| dependent variable | the factor that causes the change in a experiment |
| asthenosphere | partially molten, flowing layer located below the solid part of the Earth's mantle |
| control | standard for comparison in an experiement |
| hypothesis | a suggested explanation for an observation often stated in the form of a question that can be answered by the results of an experiment |
