| A | B |
| An under ground rock formation that holds water | What is an Aquifer? |
| introdution of inorganic plant nutrients to a body of water through sewage and fertilizer runoff | WHat is artificial eutrophication? |
| Accumulation of larger and larger amounts of a toxin with in the tissues of orginisams at each successive trophic level | What is bioaccumulation? |
| Process in which salt is removed from salt water, as from the oceans, rendering the water fit for drinking and cooking | What is desalinization? |
| Water that seeps down through the soil and is stored underground | What is ground water? |
| Pollution that comes from many sorces | What is non-point pollution? |
| Pollution discharged from a single sorce | What is point pollution? |
| area of land on the earths surface from which groundwater originates | What is the recharge zone? |
| Fresh water found above ground in lakes, ponds, rivers and streams | What is suface water? |
| Addition of excessive amounts of heat to a body of water, such as in runoff from industrial cooling systems | What is thermal pollution? |
| Introduction of foriegn substances into water that degrade its quality | What is water pollution? |
| Entire area of land that drains into a river. | What is a watershed? |
| Oceans make up this percentile of the earths water. | What is 97%? |
| 70% of the earth's surface is this. | What is water? |
| THe amount of rain that falls in a year is this. | What is anual percipitation? |
| This structure is built to block water flow. | What is a dam? |
| Dams cause this problem in Syria and Iraq. | What is fighting over water with Turky? |
| Most of the worlds fresh water is here. | Where is the North Pole? |
| This household chemical is used to purify water. | What is chlorine? |
| Chlorine does this. | What is prevent bactieria from growing? |