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Worksheetswaste water treatment
Total questions: 13
Worksheet time: 6mins
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 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
Which of the following is a good practice be followed?
Cooking oil and paint should not be thrown down a drain.
Used tea leaves, solid food and cotton should not be thrown in the drain.
Chemicals like insecticides should not throw in the drain.
All of the above
Dried _____ is used as manure
slury
sewage
sand
sludge
Which gas is released during treatment of sludge?
(a)
