Water Unit Review

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 water treatment

Pollutants entering waterways from a broad area, such as runoff from farmland or acid rainfall are examples of

• Thermal pollution

• Point Source Pollution

• Non-point Source Pollution

• Turbidity

Tags

NGSS.MS-ESS3-3

How could pesticides get into lakes and streams?

• Too much could be used and not absorbed

• 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-LS2-5

Which statement is true about trees and plants near stream banks.

• 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.MS-LS2-1

NGSS.MS-LS2-4

What does chlorination do to the water?

• Kills pathogens

• Filters twigs and sediment

• Makes the water taste nice

• Protects from tooth decay.

Tags

NGSS.MS-PS1-2

What are two things that water treatment plants need to do?

• Clean and disinfect the water
• Boil and evaporate the water
• Remove the animals and plants
• Add chemicals and remove pesticides

Tags

NGSS.MS-PS1-2

An example of a non-point solution is 

• waste water from leaking pipe
• fertilizer runoff from lawns

Tags

NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

An example of point source pollution is

• trash floating in the ocean

• oil spilling from a river barge

Tags

NGSS.MS-ESS3-3

Which of these is NOT part o the U.S. Clean Water Act?

• All surface waters should be safe to eat fish from.

• All surface waters should be safe to swim in.

• All surface waters should be safe to drink from with basic treatment.

• All surface waters should be be safe to skate on.

Toilets and showers tend to be the largest household uses for water.

• true

• false

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4