| Term | Definition |
|---|---|
| Water/H2O | A substance that every living organism needs to survive |
| Hydrosphere | made up of water found above or under earths surface |
| Tributary | |
| watershed | Area of land that drains in to a stream,river,lake or any kind of body of water |
| Surface water | |
| Ground water | water located below earths surface |
| Aquifer | Rock layer that collects and stores water |
| Water cycle | Continuous movement of water between earths surface and its atmosphere |
| Evaporation | Process by which liquid changes into a gas |
| transpiration | water vapor is released through tiny openings in plant leaves |
| Condensation | process by which gas changes to a liquid |
| Precipitation | water that falls to earths surface in the form of rain,sleet,hail or snow |
| Infiltration | |
| Runoff | water that flows over land without sinking into the ground |
| Porosity | |
| Density | |
| Universal solvent | |
| Ocean | 70% of earths surface is ocean water |
| Estuary | Body of water in which fresh water and salt water meet and mix |
| Brackish water | water that is dirty |
| Marine Ecosystem | place in which marine animals live in a oceanic habitat |
