Managing Water Supply

Often water must be treated to become _______, safe to drink

• pathogen

• potable

• clarified

• bonifide

Process used in water treatment process where water is pushed through screens, sand, gravel and coal to remove organisms and trash

• filtration

• chlorination

• coagulation

• bioreactors

Process used in water treatment process where chemicals like alum is added to water causing flocs- globs of trash that pathogens stick to.

• filtration

• chlorination

• coagulation

• bioreactors

Process used in wastewater treatment process where colonies of bacteria are used to break down and ingest solid waste.

• filtration

• chlorination

• coagulation

• bioreactors

Tags

NGSS.HS-LS2-3

After the clarification step in wastewater treatment, the solid waste called ______ is sold off and the liquid waste called _____ moves on the be filtered and disinfected

• sewage and dirty water

• sludge and effluent

• effluent and slude

• dirty water and sewage

Which of the following is NOT a residential use of water>

• cooking and drinking

• washing dishes and clothes

• washing cars and watering the lawn

• watering the crops

• showers and toilets

What is the best way to CONSERVE water use in an agricultural setting...

• low flow toilets

• reuse cooling water

• drip irrigation

• high power overhead irrigation

Tags

NGSS.MS-ESS2-4

NGSS.MS-ETS1-3

Conserving water for residential use would involve

• xeriscaping

• drip irrigation

• reusing cooling water

• manufacturing goods

Tags

NGSS.MS-ESS2-4

The image here is how humans control rivers for the last few hundred years. This is

• diverting water thru canels

• create an aquaduct

• damming a river

• desalination plant

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

Which of the following is a disadvantage of dams and reservoirs?

• man made lakes used for drinking water, recreation and industry

• hydroelectric power

• existing ecosystems changed, displacing species and humans

• flood control

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5