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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. a street light
  2. movement
  3. electric current
  4. a buzzer
  5. a ceiling fan
  6. an exhaust fan
  7. True
  8. False
  9. sound
  10. a doorbell
  11. light energy
  12. a doorbell
  13. False
  14. True
  15. a water pump
  16. a mobile phone
  17. sound
  18. a washing machine
  19. a tube light
  20. a water heater
  21. movement energy
  22. True
  23. True
  24. gives electricity
  25. movement energy
  26. heat
  27. uses electricity
  28. True
  29. uses electricity
  30. uses electricity
  31. a school bell
  32. uses electricity
  33. True
  34. movement
  35. a ceiling fan
  36. a siren
  37. False
  38. an electric kettle
  39. a bicycle dynamo
  40. an electric iron

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