| A | B |
| resource | something we need, want, and use (example: water, food) |
| natural resource | a resource that comes from the earth |
| renewable resource | a resource that can be replaced in a short period of time |
| non-renewable resource | a resource that cannot be replaced in a short period of time |
| arable | good (as in soil), soil |
| ecosystem | living and nonliving things in an environment and all their interactions |
| watershed | an area of land where all water under it or draining off of it goes to the same body of water |
| aquatic | having to do with organisms in the water |
| precipitation | water to the earth in the form of rain, snow, sleet, hail |
| drought | caused by below average precipitation |
| estuary | a place where fresh water and salt water mixes, at the mouth of a river |
| reservoir | a human-made lake that stores water held back by a dam |
| surface water | water within the earth that supplies wells and springs |
| ground water | water that comes from the ground |
| sediment | material, such as stones and sand, deposited by water |
| mineral | a naturally occurring substance, neither plant nor animal |
| ore | a mineral containing useful substance that is mined from the earth |
| conservation | the act of saving, protecting, or using resources wisely |
| pollution | adding harmful substances to the air, water, and land |
| Virginia water resources | groundwater, lakes, streams, rivers, reservoirs |
| Rivers in Chesapeake Bay Watershed | Potomac, Rappahanock, York, James |
| Coal | Major mineral used in Virginia for energy and heating - we sell the mineral the most |
| Fossil Fuel | materials created from the remain of long dead plant material which can be used for energy - oil, natural gas, coal |