
Water Treatment Processes and Practices

Interactive Video
•
Science, Biology
•
6th - 10th Grade
•
Medium

Amelia Wright
Used 8+ times
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much water do Aucklanders consume daily?
1 billion liters
150 million liters
326 million liters
500 million liters
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in the water treatment process?
Screening for large debris
Adding chlorine
Filtration
Coagulation
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of adding alum during water treatment?
To disinfect the water
To stabilize pH levels
To coagulate dirt and microorganisms
To add fluoride
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens in the settling tanks during water treatment?
Water is disinfected
Flock settles at the bottom
Chlorine is added
Water is filtered through membranes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which technology is used for ultra-filtration in the Waikato plant?
Sand filters
Membrane technology
Reverse osmosis
Chlorination
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is chlorine added to the water?
To remove large debris
To coagulate particles
To disinfect the water
To stabilize pH levels
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is added to the water to stabilize its pH level?
Alum
Chlorine
Fluoride
Lime
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