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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 974 · 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.

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

Answer key

  1. movement
  2. True
  3. False
  4. electrical energy
  5. a bicycle dynamo
  6. heat
  7. movement energy
  8. a torch
  9. a school bell
  10. True
  11. a mixer grinder
  12. True
  13. electric current
  14. sound
  15. a mobile phone
  16. an LED lamp
  17. a street light
  18. uses electricity
  19. a power station
  20. a water pump
  21. light energy
  22. movement
  23. uses electricity
  24. an electric drill
  25. gives electricity
  26. uses electricity
  27. movement energy
  28. False
  29. uses electricity
  30. a ceiling fan
  31. True
  32. movement
  33. a tube light
  34. a room heater
  35. a battery
  36. a night lamp
  37. heat
  38. heat
  39. sound
  40. sound

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