Waste Mgt. / Water Treatment MOD

What type of living things breakdown the organic matter in the sewage?

• Plants

• Animals

• Bacteria

Runoff of sewage and agricultural wastes into coastal waters introduce

• algae growth

• rainwater

• oil spill

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

What are things we can do to improve water quality?

• appropriate use of water

• careful water storage and handling

• proper land management

• all of the above

Tags

NGSS.MS-LS2-4

What 2 important nutrients are tested for in a body of water?

• nitrates and phosphates

• dissolved oxygen and pH

• CO₂ and O₂

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

Tags

NGSS.MS-ESS3-3

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

• Pollution

• Point Source Pollution

• Non-point Source Pollution

Tags

NGSS.MS-ESS3-3

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

• cloudiness

• eutrophication

• temperature change

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-LS2-4

NGSS.MS-ESS3-4

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

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is the first step in the water treatment process?

• coagulation

• filtration

• flocs