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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 455 · 40 questions
TalentJR

Remember (What comes out?): Sources give electricity: cells, batteries, solar panels, generators, dynamos, power stations. Appliances use it and change it: light (torch, tube light), heat (iron, kettle, toaster), movement (fan, mixer, drill), sound (doorbell, buzzer, speaker). Ask: what comes out when it works? That is the energy it mainly gives.

NameDateTime takenScore ___ / 40
  1. 1.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric drill (c) a torch (d) a mixer grinder
  2. 2.⚡ What does a water heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  3. 3.⚡ What does an LED lamp mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  4. 4.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  5. 5.True or false: an LED lamp mainly gives out heat. (a) True (b) False
  6. 6.True or false: a street light mainly makes movement. (a) False (b) True
  7. 7.Which of these uses electricity? (a) a bicycle dynamo (b) a cell (c) a refrigerator (d) a solar panel
  8. 8.Which of these uses electricity? (a) a solar panel (b) a wind turbine (c) a mobile phone (d) a bicycle dynamo
  9. 9.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) nuclear energy (d) wind energy
  11. 11.Which of these uses electricity? (a) a washing machine (b) a generator (c) a cell (d) a wind turbine
  12. 12.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  13. 13.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.🔍 Which is the odd one out? (a) a torch (b) a table fan (c) an LED lamp (d) a tube light
  15. 15.True or false: an LED lamp mainly gives out light. (a) True (b) False
  16. 16.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  18. 18.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  19. 19.Which of these gives us electricity? (a) a television (b) a washing machine (c) a power station (d) a mobile phone
  20. 20.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.Which of these mainly makes movement? (a) a night lamp (b) a room heater (c) a traffic signal (d) a ceiling fan
  23. 23.⚡ What does a torch mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  24. 24.Which of these mainly makes movement? (a) a loudspeaker (b) an electric toy car (c) a traffic signal (d) a tube light
  25. 25.Which of these gives us electricity? (a) a solar panel (b) a mobile phone (c) a television (d) a computer
  26. 26.⚡ What does a street light mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  27. 27.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) wind energy (c) light energy (d) sound energy
  28. 28.Which of these gives us electricity? (a) a water pump (b) a computer (c) a generator (d) a washing machine
  29. 29.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  30. 30.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.True or false: a water heater mainly gives out heat. (a) True (b) False
  32. 32.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.🔍 Which is the odd one out? (a) a siren (b) an LED lamp (c) a tube light (d) a night lamp
  34. 34.Which of these gives us electricity? (a) an air conditioner (b) a bicycle dynamo (c) a refrigerator (d) a computer
  35. 35.True or false: a traffic signal mainly gives out light. (a) False (b) True
  36. 36.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.Which of these mainly makes sound? (a) an LED lamp (b) a torch (c) a toaster (d) a siren
  38. 38.🔍 Which is the odd one out? (a) a street light (b) a loudspeaker (c) a night lamp (d) an LED lamp
  39. 39.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.Which of these mainly makes sound? (a) a toaster (b) an electric iron (c) a school bell (d) a traffic signal

Answer key

  1. a torch
  2. heat
  3. light
  4. movement energy
  5. False
  6. False
  7. a refrigerator
  8. a mobile phone
  9. uses electricity
  10. electrical energy
  11. a washing machine
  12. heat
  13. uses electricity
  14. a table fan
  15. True
  16. gives electricity
  17. True
  18. movement energy
  19. a power station
  20. gives electricity
  21. uses electricity
  22. a ceiling fan
  23. light
  24. an electric toy car
  25. a solar panel
  26. light
  27. light energy
  28. a generator
  29. electrons
  30. uses electricity
  31. True
  32. gives electricity
  33. a siren
  34. a bicycle dynamo
  35. True
  36. uses electricity
  37. a siren
  38. a loudspeaker
  39. uses electricity
  40. a school bell

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