Which of the following is not a common indicator that water pollution is occurring?

• High Fecal Coliform Bacteria

• Dead fish

• Low Turbidity

• Heavy Metals

Which of the following will result in eutrophication when introduced into streams, and lakes from fertilizers?

• Bacteria and viruses

• Pesticides

• Herbicides

• Nitrates and Phosphates

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What happens to the amount of dissolved oxygen in water as depth increases in a lake, pond or other body of water?

• Dissolved Oxygen Increases

• Dissolved Oxygen Decreases

• Dissolved Oxygen Remains Constant

• None of the Above

The major biological source of dissolved oxygen in the ocean comes from ____________________________________.

• Decomposition of organic sediments on the ocean floor

• Metabolic processes of coral in reefs

• Photosynthesis by phytoplankton

• Respiration by zooplankton

Tags

NGSS.MS-LS1-6

Waste from which of the following is an example of nonpoint source pollution?

• Overflow from a county sewage treatment plant

• exhaust from the pipes of your car

• Drainage from an abandoned coal mine

• Runoff from many different agricultural fields

Tags

NGSS.MS-ESS3-3

The presence of fecal coliform bacteria in a sample of river water suggests which of the following?

• The pH of the river is very high.

• The water is contaminated with animal waste.

• The river is high levels of plant life.

• The dissolved oxygen level of the river is high.

Tags

NGSS.MS-LS2-4

Of the following, which constitutes the greatest percent of domestic use of water in the United States?

• Flushing toilets

• Drinking water

• Cooking

• Washing dishes

Of the following, which is the best example of a point source of water pollution?

• Factory drain pipes at DC Water Plant

• Storm water on the road

• Agricultural runoff

• Residential pesticide in the air

The geological layer, consisting of underground porous layers of sand or gravel, where groundwater flows and accumulates, is called __________________________________.

(Ogalalla and Texcoco are examples)

• the zone of saturation

• the water table

• an aquifer

• surface water

_________________ is a region from which water drains into a stream, lake, reservoir, wetland, or other body of water

• the water table

• an aquifer

• surface water

• the watershed

Tags

NGSS.MS-ESS2-4