GCSE Earth and Space – Treating waste water
Learning Objectives
-I can describe the screening stage of water treatment
-I can describe the settling stage of water treatment
-I can describe the filtration stage of water treatment
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Question 1 of 25
1. Question
Where does waste water go?
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Question 2 of 25
2. Question
When treating waste water, what does the screening process remove?
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Question 3 of 25
3. Question
When treating waste water, what does the screening process remove?
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Question 4 of 25
4. Question
How does the screening processes filter waste water?
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Question 5 of 25
5. Question
What happens to waste water in the first circular tank?
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Question 6 of 25
6. Question
Within the first circular tank, what substance gets pushed towards the centre of the tank?
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Question 7 of 25
7. Question
Where is the sludge in the first circular tank pumped to?
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Question 8 of 25
8. Question
What is the name of the liquid layer above the sludge in the first circular tank?
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Question 9 of 25
9. Question
What does the liquid above the sludge in the first circular tank contain?
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Question 10 of 25
10. Question
What is added to the waste water during the secondary treatment?
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Question 11 of 25
11. Question
How are the harmful microorganisms removed during the secondary treatment of waste water?
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Question 12 of 25
12. Question
What process does the bacteria carry out during the secondary treatment of waste water?
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Question 13 of 25
13. Question
What is bubbled through the circular tank during the secondary treatment of waste water?
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Question 14 of 25
14. Question
What does bacteria need in order to carry out aerobic respiration?
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Question 15 of 25
15. Question
What is settled out during the final treatment of waste water?
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Question 16 of 25
16. Question
During the final treatment of waste water, what is the bacteria settled out as?
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Question 17 of 25
17. Question
What is done to the bacteria during the final treatment of waste water?
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Question 18 of 25
18. Question
At the final stage of the treatment of waste water, where is the water released?
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Question 19 of 25
19. Question
When purifying water, what is removed?
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Question 20 of 25
20. Question
What process is carried out during the purifying of water?
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Question 21 of 25
21. Question
Once water is distilled, what is left?
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Question 22 of 25
22. Question
Once water is distilled, what is left?
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Question 23 of 25
23. Question
What is the definition of flask distillation?
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Question 24 of 25
24. Question
Describe the cost of distillation.
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Question 25 of 25
25. Question
How is water purified?
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