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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 196 · 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.Which of these mainly makes sound? (a) an LED lamp (b) an electric toy car (c) an electric drill (d) a school bell
  2. 2.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  3. 3.🔍 Which is the odd one out? (a) an electric drill (b) a ceiling fan (c) a school bell (d) an exhaust fan
  4. 4.Which of these mainly makes sound? (a) a buzzer (b) an electric drill (c) a rice cooker (d) a traffic signal
  5. 5.Which of these mainly makes sound? (a) a night lamp (b) a tube light (c) a torch (d) a loudspeaker
  6. 6.Which of these gives us electricity? (a) a generator (b) a computer (c) an air conditioner (d) a water pump
  7. 7.True or false: an exhaust fan mainly makes sound. (a) True (b) False
  8. 8.True or false: a torch mainly gives out light. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) a doorbell (b) a buzzer (c) an electric kettle (d) a loudspeaker
  10. 10.Which of these mainly makes movement? (a) a street light (b) a mixer grinder (c) an LED lamp (d) a tube light
  11. 11.🔍 Which is the odd one out? (a) an LED lamp (b) a night lamp (c) a loudspeaker (d) a traffic signal
  12. 12.⚡ What does a rice cooker mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  13. 13.Which of these mainly gives out light? (a) a toaster (b) a ceiling fan (c) a buzzer (d) a street light
  14. 14.True or false: a torch mainly makes sound. (a) True (b) False
  15. 15.Which of these uses electricity? (a) a bicycle dynamo (b) a power station (c) a washing machine (d) a solar panel
  16. 16.⚡ What does a water heater mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  17. 17.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  18. 18.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) electric current (d) friction
  19. 19.Which of these mainly gives out light? (a) a loudspeaker (b) an electric iron (c) an LED lamp (d) a doorbell
  20. 20.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  21. 21.🔍 Which is the odd one out? (a) a torch (b) a street light (c) a ceiling fan (d) a tube light
  22. 22.Which of these mainly gives out heat? (a) a buzzer (b) an electric drill (c) a room heater (d) a traffic signal
  23. 23.True or false: a school bell mainly makes movement. (a) False (b) True
  24. 24.True or false: a buzzer mainly gives out heat. (a) True (b) False
  25. 25.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  26. 26.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  28. 28.⚡ What does a room heater mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  29. 29.⚡ What does a table fan mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  30. 30.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) electrical energy (d) nuclear energy
  31. 31.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.True or false: a doorbell mainly makes sound. (a) True (b) False
  33. 33.Which of these mainly makes movement? (a) a siren (b) a traffic signal (c) a room heater (d) an exhaust fan
  34. 34.Which of these mainly makes sound? (a) an electric drill (b) a ceiling fan (c) a doorbell (d) a toaster
  35. 35.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  36. 36.⚡ What does a doorbell mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  37. 37.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  38. 38.Which of these uses electricity? (a) a bicycle dynamo (b) a refrigerator (c) a solar panel (d) a generator
  39. 39.Which of these mainly gives out light? (a) a table fan (b) an electric toy car (c) a night lamp (d) an electric iron
  40. 40.Which of these mainly gives out heat? (a) an electric toy car (b) a street light (c) a buzzer (d) a toaster

Answer key

  1. a school bell
  2. movement energy
  3. a school bell
  4. a buzzer
  5. a loudspeaker
  6. a generator
  7. False
  8. True
  9. an electric kettle
  10. a mixer grinder
  11. a loudspeaker
  12. heat
  13. a street light
  14. False
  15. a washing machine
  16. heat
  17. sound
  18. electric current
  19. an LED lamp
  20. movement
  21. a ceiling fan
  22. a room heater
  23. False
  24. False
  25. uses electricity
  26. uses electricity
  27. movement energy
  28. heat
  29. movement
  30. electrical energy
  31. gives electricity
  32. True
  33. an exhaust fan
  34. a doorbell
  35. sound
  36. sound
  37. light
  38. a refrigerator
  39. a night lamp
  40. a toaster

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