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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 530 · 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.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  2. 2.Which of these mainly gives out light? (a) a doorbell (b) a ceiling fan (c) a buzzer (d) a street light
  3. 3.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.Which of these gives us electricity? (a) a television (b) a water pump (c) a computer (d) a bicycle dynamo
  5. 5.True or false: an electric kettle mainly makes movement. (a) True (b) False
  6. 6.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) sound (d) electric current
  7. 7.Which of these mainly gives out light? (a) an electric iron (b) an LED lamp (c) a siren (d) a mixer grinder
  8. 8.🔍 Which is the odd one out? (a) a table fan (b) an electric iron (c) a mixer grinder (d) a ceiling fan
  9. 9.True or false: a street light mainly makes sound. (a) False (b) True
  10. 10.Which of these mainly makes sound? (a) a room heater (b) a table fan (c) a street light (d) a buzzer
  11. 11.Which of these uses electricity? (a) a bicycle dynamo (b) a solar panel (c) a mobile phone (d) a cell
  12. 12.Which of these mainly makes movement? (a) a ceiling fan (b) an electric kettle (c) a toaster (d) a rice cooker
  13. 13.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  14. 14.Which of these mainly makes movement? (a) a street light (b) a torch (c) an electric toy car (d) a traffic signal
  15. 15.True or false: a street light mainly gives out light. (a) False (b) True
  16. 16.Which of these mainly gives out light? (a) a school bell (b) an electric kettle (c) a tube light (d) a rice cooker
  17. 17.True or false: an electric drill mainly makes sound. (a) True (b) False
  18. 18.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  20. 20.🔍 Which is the odd one out? (a) a ceiling fan (b) a mixer grinder (c) a street light (d) an electric drill
  21. 21.Which of these mainly makes movement? (a) a torch (b) a night lamp (c) a table fan (d) a school bell
  22. 22.🔍 Which is the odd one out? (a) a tube light (b) a night lamp (c) a traffic signal (d) a mixer grinder
  23. 23.True or false: a night lamp mainly gives out light. (a) True (b) False
  24. 24.Which of these uses electricity? (a) a cell (b) a battery (c) an air conditioner (d) a generator
  25. 25.Which of these mainly gives out heat? (a) a water heater (b) a siren (c) a table fan (d) an LED lamp
  26. 26.Which of these uses electricity? (a) a bicycle dynamo (b) a solar panel (c) a cell (d) a television
  27. 27.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.Which of these mainly makes sound? (a) a school bell (b) a water heater (c) a night lamp (d) a street light
  29. 29.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  30. 30.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.⚡ What does a torch mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  32. 32.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.⚡ What does a water heater mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  34. 34.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  35. 35.Which of these gives us electricity? (a) a washing machine (b) an air conditioner (c) a computer (d) a power station
  36. 36.True or false: a doorbell mainly gives out light. (a) False (b) True
  37. 37.Which of these mainly gives out light? (a) a table fan (b) a traffic signal (c) a school bell (d) an electric toy car
  38. 38.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  39. 39.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  40. 40.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

  1. light
  2. a street light
  3. uses electricity
  4. a bicycle dynamo
  5. False
  6. electric current
  7. an LED lamp
  8. an electric iron
  9. False
  10. a buzzer
  11. a mobile phone
  12. a ceiling fan
  13. movement
  14. an electric toy car
  15. True
  16. a tube light
  17. False
  18. gives electricity
  19. movement energy
  20. a street light
  21. a table fan
  22. a mixer grinder
  23. True
  24. an air conditioner
  25. a water heater
  26. a television
  27. uses electricity
  28. a school bell
  29. movement energy
  30. gives electricity
  31. light
  32. gives electricity
  33. heat
  34. uses electricity
  35. a power station
  36. False
  37. a traffic signal
  38. electrons
  39. heat
  40. uses electricity

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