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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 892 · 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) an LED lamp (b) an electric iron (c) a tube light (d) a torch
  2. 2.True or false: a siren mainly gives out heat. (a) True (b) False
  3. 3.⚡ What does a buzzer mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  4. 4.🔍 Which is the odd one out? (a) a tube light (b) an electric drill (c) a ceiling fan (d) an exhaust fan
  5. 5.Which of these uses electricity? (a) a solar panel (b) a television (c) a generator (d) a cell
  6. 6.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  7. 7.True or false: a toaster mainly makes movement. (a) False (b) True
  8. 8.⚡ What does a toaster mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  9. 9.Which of these gives us electricity? (a) a television (b) a computer (c) an air conditioner (d) a battery
  10. 10.Which of these mainly makes movement? (a) a torch (b) a ceiling fan (c) a siren (d) an LED lamp
  11. 11.🔍 Which is the odd one out? (a) a water heater (b) a rice cooker (c) a ceiling fan (d) a toaster
  12. 12.Which of these mainly makes movement? (a) an electric drill (b) a torch (c) a doorbell (d) a traffic signal
  13. 13.🔍 Which is the odd one out? (a) an LED lamp (b) a tube light (c) an electric drill (d) a torch
  14. 14.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.🔍 Which is the odd one out? (a) a traffic signal (b) a night lamp (c) a siren (d) a tube light
  16. 16.True or false: an electric iron mainly gives out heat. (a) False (b) True
  17. 17.Which of these mainly makes movement? (a) a table fan (b) an electric iron (c) a water heater (d) a buzzer
  18. 18.🔍 Which is the odd one out? (a) an electric kettle (b) an electric iron (c) a traffic signal (d) a rice cooker
  19. 19.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) chemical energy (d) sound energy
  20. 20.🔍 Which is the odd one out? (a) an electric kettle (b) a room heater (c) a torch (d) an electric iron
  21. 21.🔍 Which is the odd one out? (a) a torch (b) a street light (c) an exhaust fan (d) a traffic signal
  22. 22.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) nuclear energy (d) electrical energy
  23. 23.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  24. 24.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) dust particles (d) photons
  25. 25.True or false: a toaster mainly gives out light. (a) True (b) False
  26. 26.⚡ What does an electric iron mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  27. 27.Which of these mainly gives out heat? (a) an electric drill (b) a street light (c) a torch (d) an electric iron
  28. 28.Which of these mainly gives out light? (a) a loudspeaker (b) a tube light (c) an electric toy car (d) an electric iron
  29. 29.True or false: a table fan mainly makes movement. (a) False (b) True
  30. 30.Which of these mainly makes sound? (a) a water heater (b) a loudspeaker (c) an exhaust fan (d) an electric iron
  31. 31.Which of these mainly makes sound? (a) a tube light (b) an electric kettle (c) a toaster (d) a school bell
  32. 32.Which of these mainly makes sound? (a) an electric toy car (b) a doorbell (c) a ceiling fan (d) an LED lamp
  33. 33.Which of these uses electricity? (a) a solar panel (b) a power station (c) a wind turbine (d) a mobile phone
  34. 34.Which of these mainly makes sound? (a) a rice cooker (b) a buzzer (c) an LED lamp (d) a ceiling fan
  35. 35.⚡ What does a water heater mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  36. 36.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) wind energy (c) sound energy (d) chemical energy
  37. 37.Which of these gives us electricity? (a) a solar panel (b) a computer (c) an air conditioner (d) a mobile phone
  38. 38.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  39. 39.🔍 Which is the odd one out? (a) an electric drill (b) a buzzer (c) a ceiling fan (d) an exhaust fan
  40. 40.True or false: a tube light mainly gives out light. (a) False (b) True

Answer key

  1. an electric iron
  2. False
  3. sound
  4. a tube light
  5. a television
  6. light
  7. False
  8. heat
  9. a battery
  10. a ceiling fan
  11. a ceiling fan
  12. an electric drill
  13. an electric drill
  14. uses electricity
  15. a siren
  16. True
  17. a table fan
  18. a traffic signal
  19. movement energy
  20. a torch
  21. an exhaust fan
  22. electrical energy
  23. electric current
  24. electrons
  25. False
  26. heat
  27. an electric iron
  28. a tube light
  29. True
  30. a loudspeaker
  31. a school bell
  32. a doorbell
  33. a mobile phone
  34. a buzzer
  35. heat
  36. light energy
  37. a solar panel
  38. uses electricity
  39. a buzzer
  40. True

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