water quality

Runoff of sewage and agricultural wastes into coastal waters introduce

• algae growth

• rainwater

• surface runoff

• oil spill

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

improved water quality can be achieved by

• appropriate use of water

• careful water storage and handling

• proper land management

• all of the above

Tags

NGSS.MS-ESS3-3

A factory is located next to a river.  The factory has a sewage pipe running straight out of the factory and into the river.  This is an example of ________________________.

• point source pollution
• non-point pollution
• tertiary receiving stream
• primary treatment

Tags

NGSS.HS-ESS2-5

pollutants entering waterways from a general area, such as runoff from farmland or suburban communities

• Pollution
• Point Source Pollution
• Non-point Source Pollution
• Turbidity

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

Water that has been used by humans, but doesn't contain sanitary waste is called ________________.

• gray water
• septic water
• potable water
• none of these

"Turbidity" is the measure of a body of water's ____________________________.

• cloudiness
• eutrophication
• temperature change
• flocculation

Tags

NGSS.MS-LS2-4

How could pesticides get into lakes and streams?

• too much could be used
• it could be sprayed too close to a stream
• rain could wash pesticides into a stream
• all of the above

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

Which statement is true about streamside vegetation?

• trees provide shade, which makes water too cold for most animals
• roots help stabilize shorelines, preventing erosion
• leaves that fall into the water pollute the stream
• plants along a stream steal oxygen from the animals

Tags

NGSS.HS-LS2-6

What is the first step in the water treatment process?

• coagulation
• filtration
• flocs
• concentation

2. What is Dissolved Oxygen?

• The amount of oxygen in the water.

• The clearness or cloudiness of the water.

• The amount of heat in the water.

• The acidity of the water.

Tags

NGSS.HS-LS2-3

NGSS.HS-LS2-5