| Term | Definition |
| Water | comes from: 97% ocean, 3% non-ocean component, 2% glaciers, and 1% groundwater |
| Drives the weather | Sun, atmosphere, oceans, rotation of earth, and uneven solar absorption |
| Hydrologic cycle | movement of water through the atmosphere back to the ocean to the the land and back to the ocean again |
| Evaporation | From liquid to gas; resulting the heat to be absorbed |
| Condensation | From gas to liquid; resulting heat to be released |
| Heat Capacity | heat required to raise temperature of a substance |
| Thermal properties of water | the highest heat capacity, oceans take a long time to absorb/release huge amounts of heat |