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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 396 · 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) a street light (b) a siren (c) a school bell (d) a loudspeaker
  2. 2.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  3. 3.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) movement energy (d) sound energy
  5. 5.Which of these mainly makes sound? (a) an LED lamp (b) an electric drill (c) a school bell (d) a rice cooker
  6. 6.⚡ What does a buzzer mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  7. 7.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.⚡ What does a doorbell mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  9. 9.Which of these gives us electricity? (a) a power station (b) a washing machine (c) a television (d) a mobile phone
  10. 10.True or false: a toaster mainly gives out heat. (a) True (b) False
  11. 11.⚡ What does an electric iron mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  12. 12.⚡ What does a torch mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  13. 13.Which of these mainly makes movement? (a) a water heater (b) a room heater (c) a school bell (d) a table fan
  14. 14.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) sound energy (d) electrical energy
  16. 16.Which of these gives us electricity? (a) a computer (b) a battery (c) an air conditioner (d) a water pump
  17. 17.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) sound (d) electric current
  18. 18.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  20. 20.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.🔍 Which is the odd one out? (a) a night lamp (b) an LED lamp (c) a rice cooker (d) a traffic signal
  22. 22.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.Which of these uses electricity? (a) a computer (b) a wind turbine (c) a solar panel (d) a battery
  24. 24.True or false: an electric kettle mainly gives out light. (a) False (b) True
  25. 25.True or false: a water heater mainly gives out heat. (a) False (b) True
  26. 26.True or false: a traffic signal mainly gives out light. (a) True (b) False
  27. 27.Which of these mainly gives out heat? (a) a ceiling fan (b) a water heater (c) a mixer grinder (d) a traffic signal
  28. 28.🔍 Which is the odd one out? (a) a toaster (b) a rice cooker (c) an electric iron (d) a doorbell
  29. 29.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  30. 30.Which of these mainly gives out heat? (a) a table fan (b) a toaster (c) an electric drill (d) a buzzer
  31. 31.⚡ What does a street light mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  32. 32.Which of these mainly gives out heat? (a) a school bell (b) a torch (c) a night lamp (d) a rice cooker
  33. 33.🔍 Which is the odd one out? (a) a street light (b) a night lamp (c) a ceiling fan (d) a torch
  34. 34.⚡ What does a room heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  35. 35.True or false: a torch mainly gives out light. (a) False (b) True
  36. 36.⚡ What does a water heater mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  37. 37.⚡ What does a siren mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  38. 38.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric toy car (c) a traffic signal (d) a ceiling fan
  39. 39.Which of these mainly makes movement? (a) a toaster (b) a ceiling fan (c) an electric iron (d) a school bell
  40. 40.Which of these uses electricity? (a) a battery (b) a mobile phone (c) a cell (d) a bicycle dynamo

Answer key

  1. a street light
  2. light
  3. gives electricity
  4. movement energy
  5. a school bell
  6. sound
  7. gives electricity
  8. sound
  9. a power station
  10. True
  11. heat
  12. light
  13. a table fan
  14. gives electricity
  15. electrical energy
  16. a battery
  17. electric current
  18. gives electricity
  19. electrons
  20. uses electricity
  21. a rice cooker
  22. uses electricity
  23. a computer
  24. False
  25. True
  26. True
  27. a water heater
  28. a doorbell
  29. movement energy
  30. a toaster
  31. light
  32. a rice cooker
  33. a ceiling fan
  34. heat
  35. True
  36. heat
  37. sound
  38. a traffic signal
  39. a ceiling fan
  40. a mobile phone

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