Sources of Water Pollution

Why is sewage discharge harmful to aquatic ecosystems?

• Sewage discharge helps improve water quality in aquatic ecosystems.

• Sewage discharge contains harmful pollutants that disrupt aquatic ecosystems.

• Sewage discharge has no impact on aquatic ecosystems.

• Sewage discharge promotes biodiversity in aquatic ecosystems.

Tags

NGSS.MS-LS2-4

Write any one source of water pollution.

Tags

NGSS.MS-ESS3-3

Water pollution occurs when:

• Harmful substances enter a water supply

• Industries dispose of waste safely and correctly.

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

______________________ is water waste that comes from many different sources.

• biomagnification

• point source pollution

• nonpoint source pollution

• wastewater

______________________ is when bodies of water contain an abundance of nutrients caused by humans.

• potable

• thermal pollution

• artificial eutrophication

• porosity

______________________ is water waste discharge from a single source.

• nonpoint source pollution

• wastewater

• point source pollution

• pathogen

Tags

NGSS.MS-LS2-4

______________________ is the introduction of chemical, physical, or biological agents into water that degrade water quality and adversely affect the organisms that depend on the water.

• water pollution

• desalination

• watershed

• potable

Tags

NGSS.MS-LS2-4

Which of the following is a major source of water pollution?

• Agricultural runoff

• Wind erosion

• Solar radiation

• Natural evaporation

Tags

NGSS.MS-LS2-5

What is a common pollutant found in industrial waste that affects water bodies?

• Oxygen

• Nitrogen

• Heavy metals

• Carbon dioxide

Tags

NGSS.MS-LS2-4

How do oil spills primarily affect marine life?

• By increasing water temperature

• By blocking sunlight

• By reducing oxygen levels

• By providing nutrients

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4