GCSE Physics – Wasted energy

Last updated: 05/05/2020
AQA GCSE Science – Combined science foundation Energy GCSE Physics – Wasted energy

Learning Objectives

-I can recall that energy cannot be created or destroyed
-I can describe what happens to wasted energy
-I can recall ways to reduce wasted energy
-I can describe how insulation can reduce energy loss

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 13
  14. 14
  15. 15
  16. 16
  17. 17
  18. 18
  19. 19
  20. 20
  21. 21
  22. 22
  23. 23
  24. 24
  25. 25
  1. Current
  2. Review
  3. Answered

  1. What is wasted energy?

    • 1.
    • 2.
    • 3.
    • 4.

  2. Energy can be

    • 1.
    • 2.
    • 3.
    • 4.

  3. Energy can be

    • 1.
    • 2.
    • 3.
    • 4.

  4. Energy cannot be

    • 1.
    • 2.
    • 3.
    • 4.

  5. Energy cannot be

    • 1.
    • 2.
    • 3.
    • 4.

  6. What does a closed system mean?

    • 1.
    • 2.
    • 3.
    • 4.

  7. When there are energy transfers in a closed system,

    • 1.
    • 2.
    • 3.
    • 4.

  8. What does dissipate mean?

    • 1.
    • 2.
    • 3.
    • 4.

  9. How do we describe energy that is dissipated to waste forms?

    • 1.
    • 2.
    • 3.
    • 4.

  10. What energy is a wasted form in a light?

    • 1.
    • 2.
    • 3.
    • 4.

  11. What energy is wasted in a kettle?

    • 1.
    • 2.
    • 3.
    • 4.

  12. What energy is wasted when a person runs uphill?

    • 1.
    • 2.
    • 3.
    • 4.

  13. What energy is a wasted form in a car’s brakes?

    • 1.
    • 2.
    • 3.
    • 4.

  14. What energy is a wasted form in all electrical appliances?

    • 1.
    • 2.
    • 3.
    • 4.

  15. What is thermal conductivity?

    • 1.
    • 2.
    • 3.
    • 4.

  16. What does a higher thermal conductivity mean?

    • 1.
    • 2.
    • 3.
    • 4.

  17. How can we reduce unwanted energy transfers?

    • 1.
    • 2.
    • 3.
    • 4.

  18. How else can be reduce unwanted energy transfers?

    • 1.
    • 2.
    • 3.
    • 4.

  19. How does lubrication work?

    • 1.
    • 2.
    • 3.
    • 4.

  20. How does insulation reduce unwanted energy transfers?

    • 1.
    • 2.
    • 3.
    • 4.

  21. How can insulation be improved?

    • 1.
    • 2.
    • 3.
    • 4.

  22. What is an example of insulation?

    • 1.
    • 2.
    • 3.
    • 4.

  23. How does double glazing work?

    • 1.
    • 2.
    • 3.
    • 4.

  24. How do cavity walls work?

    • 1.
    • 2.
    • 3.
    • 4.

  25. How do hot water tank jackets work?

    • 1.
    • 2.
    • 3.
    • 4.