WATER POLLUTION (E.9AB)

A rapid growth of algae could lead to -

[Check 2 that apply]

• A reduction of oxygen levels in the water.

• Water that can support more life.

• Waters that are devoid of life.

• An increase in oxygen levels.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Source of pollution that can be traced to back to a single source is known as -

• runoff

• sediment

• point source pollution

• nonpoint source pollution

Pollution source that cannot be traced to a single point because it comes from many sources is known as -

• thermal

• toxic

• nonpoint source pollution

• point source pollution

Farmers increase their use of pesticides and herbicides. What type of pollutants are pesticides and herbicides?

• Chemical

• Physical

• Biological (pathogens)

• Heavy metals

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

NGSS.MS-PS1-3

Untreated sewage is released into the environment. What type of pollution would this cause?

• Chemical

• Biological (pathogens)

• Physical

• Heavy metal

Tags

NGSS.MS-LS2-1

A parking lot is built near a stream. Cars in the parking sometimes leak oil and anti-freeze onto the parking lot. What source of pollution is this?

• Point source

• Nonpoint source

Tags

NGSS.MS-ESS3-3

Which of the following is the best example of Point Source Pollution?

• Pet owners leaving waste on the ground.

• Runoff from farms that brings animal waste into a stream.

• Home owners washing cars near a storm drain.

• A fabric company that pours extra dye into a nearby stream

Which of the following statements best explains why nonpoint pollution is so difficult to prevent?

• Because nonpoint pollution can be traced to only one source.

• Because the source of nonpoint pollution is difficult to identify.

• Because the source of nonpoint pollution may be a factory that can afford large fines.

• Because nonpoint pollution is mainly from high temperature, which is impossible for us to affect.

Tags

NGSS.MS-LS2-5

A construction company has cut down trees and begun excavating soil. What type of pollution would this cause?

• Heavy metals

• Chemical

• Biological (pathogens)

• Physical

Which of Earth's spheres includes all of the water on or near Earth's surface?

• Atmosphere

• Geosphere

• Hydrosphere

• Biosphere

Tags

NGSS.MS-ESS2-4