5 Written Questions
5 Matching Questions
- nitrate pollution
- point-source pollution
- a Pollution that comes from one site -- Ex. a leak from a sewer pipe.
- b Rock that will stop the flow of water.
- c Watersheds are separated from each other by an area of higher ground.
- d The percentage of the total volume of a rock or sediment that consists of open spaces.
- e Pollution that is caused by animal wastes or fertilizer that seep into the groundwater.
5 Multiple Choice Questions
- Sediment that leaves heavy minerals in places where the river slows down. (GOLD)
- If the slope if steeper, it makes the river water flow faster. Then it can carry heavier loads an the heavier the sediment and rocks will lead to faster erosion.
- Rain, snow, hail or sleet that falls from the clouds onto land and the oceans.
- An area in which water travels downward to become part of an aquifer.
- A tank that separates solid waste from liquids and that has bacteria that break down the solid waste.
5 True/False Questions
Discharge → A circular depression in the ground that can happen when the water table is lower than a cave.
sediment → A fan shaped mass of material deposited at the mouth of a stream.
watershed → Land that is drained by a water system.
runoff → Water that flows over the land and into streams and rivers. It will eventually enter the oceans.
deposition → The process in which material is laid down.