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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 86 · 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 is the odd one out? (a) a buzzer (b) a school bell (c) a doorbell (d) a table fan
  2. 2.True or false: a room heater mainly gives out heat. (a) False (b) True
  3. 3.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  4. 4.🔍 Which is the odd one out? (a) a torch (b) a buzzer (c) a loudspeaker (d) a siren
  5. 5.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.🔍 Which is the odd one out? (a) a siren (b) an electric iron (c) a loudspeaker (d) a buzzer
  7. 7.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  8. 8.🔍 Which is the odd one out? (a) a room heater (b) an electric kettle (c) a tube light (d) an electric iron
  9. 9.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  10. 10.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  11. 11.🔍 Which is the odd one out? (a) a buzzer (b) a doorbell (c) a loudspeaker (d) an electric kettle
  12. 12.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  13. 13.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  14. 14.Which of these mainly gives out light? (a) a mixer grinder (b) a school bell (c) an electric kettle (d) a torch
  15. 15.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) a magnet (d) friction
  16. 16.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) wind energy (d) sound energy
  17. 17.⚡ What does a siren mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  18. 18.True or false: a night lamp mainly makes sound. (a) True (b) False
  19. 19.Which of these mainly gives out heat? (a) a table fan (b) a street light (c) an electric kettle (d) a mixer grinder
  20. 20.Which of these mainly makes sound? (a) a mixer grinder (b) a buzzer (c) a table fan (d) a traffic signal
  21. 21.True or false: a traffic signal mainly gives out heat. (a) True (b) False
  22. 22.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  23. 23.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.Which of these mainly gives out light? (a) an electric drill (b) a siren (c) an exhaust fan (d) an LED lamp
  25. 25.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.⚡ What does a torch mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  27. 27.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.🔍 Which is the odd one out? (a) a traffic signal (b) a torch (c) an electric drill (d) an LED lamp
  29. 29.⚡ What does a doorbell mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  30. 30.Which of these gives us electricity? (a) a television (b) a water pump (c) a washing machine (d) a battery
  31. 31.🔍 Which is the odd one out? (a) an electric drill (b) an exhaust fan (c) a ceiling fan (d) a school bell
  32. 32.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  33. 33.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  35. 35.Which of these gives us electricity? (a) a refrigerator (b) a power station (c) a mobile phone (d) a computer
  36. 36.Which of these mainly makes movement? (a) a water heater (b) an LED lamp (c) an electric drill (d) a street light
  37. 37.Which of these mainly gives out light? (a) a table fan (b) a street light (c) an electric iron (d) a buzzer
  38. 38.Which of these mainly gives out heat? (a) an LED lamp (b) a school bell (c) a buzzer (d) a rice cooker
  39. 39.Which of these mainly makes movement? (a) a rice cooker (b) a mixer grinder (c) a buzzer (d) an electric kettle
  40. 40.Which of these mainly gives out light? (a) an electric iron (b) a tube light (c) a school bell (d) a doorbell

Answer key

  1. a table fan
  2. True
  3. movement
  4. a torch
  5. gives electricity
  6. an electric iron
  7. movement energy
  8. a tube light
  9. movement
  10. heat
  11. an electric kettle
  12. light
  13. heat
  14. a torch
  15. electric current
  16. light energy
  17. sound
  18. False
  19. an electric kettle
  20. a buzzer
  21. False
  22. gives electricity
  23. uses electricity
  24. an LED lamp
  25. gives electricity
  26. light
  27. uses electricity
  28. an electric drill
  29. sound
  30. a battery
  31. a school bell
  32. electrons
  33. gives electricity
  34. sound
  35. a power station
  36. an electric drill
  37. a street light
  38. a rice cooker
  39. a mixer grinder
  40. a tube light

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