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WorksheetsWater Scarcity in Australia
Total questions: 15
Worksheet time: 8mins
Which continent holds the title for the driest inhabited continent on Earth?
Africa
Asia
Australia
South America
What was the duration of the Millennium Drought, considered one of Australia's worst droughts on record?
1990-2000
1997-2009
2001-2010
2017-2019
How much water was lost from the Murray-Darling Basin due to the Millennium Drought?
About 50 cubic kilometers
About 100 cubic kilometers
About 200 cubic kilometers
About 400 cubic kilometers
On average, how much water does a person in Australia use per day?
10-50 liters
50-100 liters
100-200 liters
200-300 liters
What does "water security" primarily refer to?
The availability of bottled water for emergencies.
The availability of clean water for irrigation, food crops, and human consumption.
The protection of water sources from pollution.
The financial cost of water supply.
What is the main purpose of desalination plants like the one in Adelaide?
To generate electricity from ocean currents.
To provide recreational areas for swimming.
To relieve water supply crises by converting seawater into fresh water.
To control ocean levels and prevent flooding.
Approximately how many desalination plants are there across Australia?
Around 50
Around 100
Around 270
Around 500
What is the primary method used at the Adelaide Desalination Plant to remove salt from seawater?
Distillation
Reverse osmosis
Filtration
Evaporation
What is added to fresh water after it is collected from the desalination process to make it safe for the water network?
Carbon dioxide and lime
Fluoride and chlorine
Salt and minerals
Oxygen and nitrogen
What is one of the main challenges associated with the desalination process?
High cost of membranes
Low energy consumption
High electricity cost
Lack of available seawater
What is a significant environmental concern related to reverse osmosis membranes used in desalination?
They are easily recycled.
They are biodegradable.
They are not recyclable and end up in landfills.
They release harmful chemicals into the water.
For what purposes is treated sewage water primarily used without extensive additional filtration?
Drinking water
Watering food crops
Watering non-food crops and sports grounds
Industrial manufacturing
Why did residents in Toowoomba vote against using recycled water for drinking in 2006?
The water was proven to be unsafe.
They preferred to rely on rainwater.
They had a negative perception, calling it "toilet water."
The cost of treatment was too high.
How does the cost of wastewater treatment compare to desalination?
Wastewater treatment is much cheaper.
Desalination is much cheaper.
Both processes have similar costs.
The cost comparison depends on the location.
Besides building more water storage, what long-term strategy is crucial for governments to reduce the impact of future droughts?
Increasing water prices for consumers.
Reducing greenhouse gas emissions.
Importing water from other countries.
Developing new types of drought-resistant crops.
