Water Pollution 2020

To reduce water pollution near a corn field, which of these ideas would NOT work?

• increase irrigation to flush the soil

• cover crops in the winter

• plant a riparian buffer

• grow a type of corn that needs less fertilizer

Tags

NGSS.MS-LS2-4

Why do we want to keep fertilizers (nitrogen and phosphorous) out of water? (Pick best answer)

• Prevent eutrophication

• nitrogen will make the water cloudy

• fertilizer will attract rats

• to reduce global warming

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-3

Pollution that affects small animals will eventually affect large predators because of....

• eutrophication

• biomagnification

• pesticides

• synergistics

Tags

NGSS.MS-LS2-4

What is the strongest reason you should not swim in this water or go fishing?

• nitrogen

• phosphorous

• lead

• coliform bacteria

Which of the following is a nonpoint source of pollution?

• sewage treatment plant

• underground mines

• chemical and sediment runoff

• oil tankers

Cultural eutrophication involves mainly:

• dense growth of organisms such as plankton

• biosolids

• aerobic aquatic bacteria

• nitrate and phosphate effluents

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-3

For a septic tank, which of the following sequences has the correct order of substances inside?

• Gas, wastewater, scum, sludge

• Sludge, scum, gas, wastewater

• Gas, scum, wastewater, sludge

• Scum, waste water, sludge, gas

Which of these systems is part of the primary treatment in a wastewater treatment plant?

• Aeration tank

• Grit chamber

• Chlorine disinfection tank

• ozone pump

According to studies done on point-sources, which organisms can't live in polluted waters?

• Carp

• Gar

• Trout

• Sludge worms

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS1-5

Which of these rivers located in India contain the most pollution?

• The Yangtze River

• The Ganges River

• The Amazon River

• The Nile River

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5