GCSE Physics – Payback time

Last updated: 17/06/2020
WJEC GCSE Science – Double science higher Making use of energy 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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  1. Current
  2. Review
  3. Answered

  1. What is a simple way of reducing heat loss in the home?

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  2. What is a simple way of reducing heat loss in the home?

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  3. What is a simple way of reducing heat loss in the home?

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  4. How can heat loss through windows be reduced?

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  5. What does double glazing minimise?

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  6. What does double glazing minimise?

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  7. How can heat loss through walls be reduced?

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  8. What does loft insulation minimise?

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  9. What does loft insulation minimise?

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  10. How can heat loss through the roof be reduced?

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  11. What is the definition of payback time?

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  12. What is the equation for payback time?

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  13. Double-glazing for a house costs £5000 and saves £50 each year. What is the payback time?

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  14. Insulation for a house costs £700 and saves £50 each year. What is the payback time?

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  15. Artificial grass for a garden costs £350 and saves £5 each year. What is the payback time?

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  16. Water heaters are added to a house for £2600 and saves £40 each year. What is the payback time?

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  17. Extra insulation for a house costs £400 and saves £8 each year. What is the payback time?

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  18. A more efficient boiler is added to a house for £1200 and saves £30 each year. What is the payback time?

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  19. Insulation for a house costs £1500 and saves £100 each year. What is the payback time?

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  20. Artificial grass for a garden costs £500 and saves £20 each year. What is the payback time?

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  21. Water heaters are added to a house for £3000 and saves £150 each year. What is the payback time?

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  22. Extra insulation for a house costs £4500 and saves £150 each year. What is the payback time?

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  23. A more efficient water system is added to a house for £6000 and saves £75 each year. What is the payback time?

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  24. Insulating piping is added to a house for £4600 and saves £8 each year. What is the payback time?

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  25. Filters for a swimming pool costs £300 and saves £15 each year. What is the payback time?

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