Water Quality

Both terrestrial (land) plants and aquatic (water) plants need nitrogen and phosphorus to grow. Therefore,...

• lots of nitrates and phosphorus in water is GOOD
• no nitrates and phosphorus in water is GOOD
• a proper amount of nitrates and phosphorus in water is GOOD

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Are wetlands GOOD or BAD for the environment?

• Good
• Bad

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

If nitrates, phosphorus, or salinity levels are too high in a stream, what is the way "nature" lowers these levels?

• groundwater
• acid rain
• water flowing over limestone
• water tumbling over rocks and rapids

Which is NOT a source of nitrates entering streams?

• leaky septic tanks
• cow manure and goose droppings
• sewage plant wastewater
• they are all sources of nitrates

Which of the following is a POSITIVE effect of sediment in the water?

• reduced dissolved oxygen
• tainted smell of the water
• impaired vision for aquatic animals
• NONE are positive effects

Which of the following is NOT a desired effect in streams?

• a pH of about neutral

• low salinity (salt)

• high temperature

• low nitrates

Trout are very sensitive to water pH. Which of the following might help keep water pH about neutral, which trout prefer.

• wetlands
• acid rain
• industrial waste
• rapidly growing algae

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which is NOT an effect of mining and mine drainage?

• heavy metals get into the water

• the pH of the water becomes too low for plants and animals

• the pH of the water becomes too high for plants and animals

Tags

NGSS.MS-ESS3-2

NGSS.MS-LS2-4

If gasoline or oil or trash goes into a storm drain in the street, it goes directly...

• to the sewage treatment plant

• into a water body

• to groundwater

• none of the above

Tags

NGSS.MS-ESS3-3

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