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WorksheetsEEn 2.4.2 Water Quality
Total questions: 10
Worksheet time: 28mins
What is a waste water treatment plant?
The place where sewage is cleaned, filtered and tested before re-entering the water cycle.
The place where sewage is cleaned, filtered and tested before going directly to our houses.
The place where sewage stays forever because it is too dirty to re-enter the water cycle.
The place where water is bottled for drinking.
During this step of water treatment, sediments settle out so that sludge and solids can be separated from the liquid.
Screening
Clarifying
Disinfection
During this step of water treatment, inorganic matter, trash, and "large" items are separated out.
Screening
Clarifying
Disinfection
During this step of water treatment, water is treated with chlorine and other chemicals to make it safe enough to return to the environment.
Screening
Clarifying
Disinfection
This toxic chemical is a byproduct of human activities like farming and mining, and even in small amounts it has been shown to cause cancer and other illness in humans. Groundwater contamination of this chemical is most common in rural communities.
Chlorofluorocarbons
Arsenic
Lead
Carbon Monoxide
What is the main cause of water pollution?
invasive species
animals
plants and insects
human impact and decision making
Which of the following is a way of conserving water?
Leave the tap running while brushing teeth
Use a hose to wash the car every week
Take shorter showers
Washing several small loads of laundry
Which aquatic biome is where rivers meet oceans?
Marine
Freshwater
Coral Reef
Estuary
Which of the following is NOT a reason why estuaries are important?
Flood and erosion control
Filters water
Habitat, nursery, and migration area for wildlife
It's free real estate!
Drought resistant crops are a great way to conserve water because they require more water than "normal" crops.
true
false
