waste water treatment

What is the sewage network?

• The place where water is cleaned before being returned to rivers.

• The pipes that carry sewage (dirty water) from our houses to the sewage treatment plant.

• The place where all our sewage is cleaned.

• The place where water is cleaned before being returned to our taps.

What is a sewage treatment plant?

• The place where water is cleaned, filtered and tested before re-entering the water cycle.

• The place where water is cleaned, filtered and tested before going to our houses.

• The network of pipes that carry sewage (dirty water) from our houses.

• The place where water is bottled for drinking.

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

• Plants

• Animals

• Bacteria

• Fungi

When the water is clean where is it returned to?

• Our taps.

• The sea.

• The river.

• The reservoir.

___________ is any waste that is a risk to the health of humans or other living things.

• hazardous waste

• politics

• sewage

• water runoff

A ____________ is a waste disposal facility where wastes are put in the ground and covered each day with a layer of dirt, plastic, or both.

• landfill

• incinerator

• compost heap

• aquifer

Solid waste includes all of the following except;

• newspaper and soda bottles

• food scraps and yard clippings

• ozone and carbon dioxide

• junk mail and milk cartons

Which of the following is a characteristic of freshwater?

• It can be safe for humans to drink
• Oceans are made out of it
• It contains salt
  
• Things float easier
  

Which is the quality of water waste?

• Dirty look

• Foul smell

• Mixed with lather

• All of these

Which of the following is/are products of wastewater treatment?

• Biogas

• Sludge

• Both biogas and sludge

• Aerator