Waste Water Treatment

The use of living bacteria to break down solid waste from water is called:

• desalination

• flocculation

• denitrification

• bio-remediation

The bacteria that breakdown solids in wastewater work more quickly when:

• The wastewater has very little oxygen.

• The wastewater has lots of oxygen.

• The wastewater has lots of algae.

• The water is warmer.

Tags

NGSS.MS-LS2-1

Black water refers to water that...

• Goes down the drain in your kitchen sink.

• Goes down the drain in your shower.

• Gets flushed down your toilet.

• Can be used to water a golf course.

Water that gets flushed down your toilet and goes to a holding tank buried in someone's yard refers to:

• A sewer system.

• A septic tank system.

• A storm water system.

• A military latrine.

Water that gets flushed down your toilet and goes through a series of pipes to a wastewater plant refers to:

• A sewer system.

• A septic tank system.

• A storm water system.

• A military latrine.

The solids that remain after wastewater has been filtered and cleaned can be used for: (check all that apply)

• Fertilizer.

• Building Roads.

• A fuel source.

• Making recycled wood products.

Waste water is best described as:

• Water that you can cook with.

• Water that goes down your drain or toilet.

• Water in a local pond.

• River water.

Grey water is best described as:

• Water that goes down your drain or toilet.

• Water that you can cook with.

• Waste water that has been filtered and cleaned that can be used for drinking.

• Water that has been filtered and cleaned that cannot be used for drinking.

Sewage is mainly a

• liquid waste.

• solid waste.

• gaseous waste.

• mixture of solid and gas.

An open-drain system is a breeding place for which of the following.

• Flies

• Mosquitoes

• Organisms which cause diseases

• All of these

Tags

NGSS.MS-LS2-5