Waste Treatment

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

• Plants

• Animals

• Bacteria

• Fungi

What happens to the sewage at the screening bars when it first reaches the wastewater treatment plant?

• The organic matter is eaten by bacteria.

• The sludge and solids are separated from the liquid.

• It is screened to remove unwanted objects like baby wipes etc.

• It is filtered and disinfected.

It is safe for waste water to go straight into the environment.

• true

• false

Tags

NGSS.MS-ESS3-3

Fertilizers and pesticides can be found within agricultural waste and can make it into drinking water as nitrates

• true

• false

Tags

NGSS.MS-LS2-5

Sludge can be dried out and treated to form fertilizer called biosolids

• true

• false

Tags

NGSS.MS-ESS3-3

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.

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

• desalination

• flocculation

• denitrification

• bio-remediation

A form of pollution that gets into the water supply is called:

• a bacteria

• a fungus

• a contaminant

• a plant vitamin

Makes up most of the municipal solid waste

• paper
• plastic
• manufacturing waste
• leachate

Tags

NGSS.MS-PS1-3

Garbage produced by households and businesses

• hazardous waste
• school lunch
• municipal solid waste
• city water