GCSE Physics – Payback time
Learning Objectives
I can describe methods of insulating a house
I can calculate payback time of insulation methods
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Question 1 of 25
1. Question
What is a simple way of reducing heat loss in the home?
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Question 2 of 25
2. Question
What is a simple way of reducing heat loss in the home?
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Question 3 of 25
3. Question
What is a simple way of reducing heat loss in the home?
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Question 4 of 25
4. Question
How can heat loss through windows be reduced?
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Question 5 of 25
5. Question
What does double glazing minimise?
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Question 6 of 25
6. Question
What does double glazing minimise?
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Question 7 of 25
7. Question
How can heat loss through walls be reduced?
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Question 8 of 25
8. Question
What does loft insulation minimise?
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Question 9 of 25
9. Question
What does loft insulation minimise?
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Question 10 of 25
10. Question
How can heat loss through the roof be reduced?
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Question 11 of 25
11. Question
What is the definition of payback time?
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Question 12 of 25
12. Question
What is the equation for payback time?
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Question 13 of 25
13. Question
Doubleglazing for a house costs Â£5000 and saves Â£50 each year. What is the payback time?
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Question 14 of 25
14. Question
Insulation for a house costs Â£700 and saves Â£50 each year. What is the payback time?
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Question 15 of 25
15. Question
Artificial grass for a garden costs Â£350 and saves Â£5 each year. What is the payback time?
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Question 16 of 25
16. Question
Water heaters are added to a house for Â£2600 and saves Â£40 each year. What is the payback time?
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Question 17 of 25
17. Question
Extra insulation for a house costs Â£400 and saves Â£8 each year. What is the payback time?
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Question 18 of 25
18. Question
A more efficient boiler is added to a house for Â£1200 and saves Â£30 each year. What is the payback time?
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Question 19 of 25
19. Question
Insulation for a house costs Â£1500 and saves Â£100 each year. What is the payback time?
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Question 20 of 25
20. Question
Artificial grass for a garden costs Â£500 and saves Â£20 each year. What is the payback time?
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Question 21 of 25
21. Question
Water heaters are added to a house for Â£3000 and saves Â£150 each year. What is the payback time?
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Question 22 of 25
22. Question
Extra insulation for a house costs Â£4500 and saves Â£150 each year. What is the payback time?
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Question 23 of 25
23. Question
A more efficient water system is added to a house for Â£6000 and saves Â£75 each year. What is the payback time?
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Question 24 of 25
24. Question
Insulating piping is added to a house for Â£4600 and saves Â£8 each year. What is the payback time?
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Question 25 of 25
25. Question
Filters for a swimming pool costs Â£300 and saves Â£15 each year. What is the payback time?
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