| A | B |
|---|
| geology | study of the hard part of the Earth |
| meteorology | study of the weather |
| astronomy | study of outer space |
| Earth Science | study of the non-living Earth and the things that affect it |
| observation | information gathered using your senses |
| inference | a conclusion based on your observations |
| instrument | a tool used to extend your senses |
| density | the amount of matter in a given area |
| buoyancy | the ability to float |
| dynamic equilibrium | a balance between changes |
| direct relationship | as one variable increases, so does the other |
| indirect (inverse) relationship | as one variable increases, the other variable decreases |
| cyclic relationship | a variable changes in a repeatable, predictable pattern |
