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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 186 · 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 gives out heat? (a) a school bell (b) a street light (c) a siren (d) a toaster
  2. 2.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  4. 4.Which of these mainly makes movement? (a) a room heater (b) an LED lamp (c) a mixer grinder (d) a school bell
  5. 5.🔍 Which is the odd one out? (a) a rice cooker (b) a night lamp (c) a toaster (d) an electric kettle
  6. 6.Which of these mainly makes sound? (a) an LED lamp (b) a tube light (c) a doorbell (d) a ceiling fan
  7. 7.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  8. 8.🔍 Which is the odd one out? (a) a traffic signal (b) a water heater (c) a night lamp (d) a torch
  9. 9.True or false: an electric drill mainly gives out heat. (a) False (b) True
  10. 10.Which of these mainly makes sound? (a) a tube light (b) a ceiling fan (c) a buzzer (d) a torch
  11. 11.🔍 Which is the odd one out? (a) an electric kettle (b) a rice cooker (c) a room heater (d) a buzzer
  12. 12.Which of these mainly gives out light? (a) a ceiling fan (b) an electric drill (c) a torch (d) a doorbell
  13. 13.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) wind energy (d) light energy
  14. 14.Which of these mainly gives out light? (a) a buzzer (b) an electric kettle (c) an LED lamp (d) a water heater
  15. 15.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  16. 16.Which of these mainly makes sound? (a) a traffic signal (b) an LED lamp (c) a ceiling fan (d) a loudspeaker
  17. 17.True or false: a night lamp mainly gives out heat. (a) False (b) True
  18. 18.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a refrigerator (d) a generator
  19. 19.Which of these mainly gives out light? (a) a loudspeaker (b) a night lamp (c) a buzzer (d) a room heater
  20. 20.🔍 Which is the odd one out? (a) a loudspeaker (b) a buzzer (c) a toaster (d) a school bell
  21. 21.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) electrons (d) dust particles
  22. 22.⚡ What does a night lamp mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  23. 23.True or false: a water heater mainly gives out heat. (a) False (b) True
  24. 24.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  25. 25.Which of these mainly makes movement? (a) a torch (b) a table fan (c) a toaster (d) an electric kettle
  26. 26.True or false: an electric toy car mainly makes movement. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) an LED lamp (b) a mixer grinder (c) a torch (d) a street light
  28. 28.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric drill (c) an electric toy car (d) a siren
  29. 29.⚡ What does an electric iron mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  30. 30.Which of these mainly gives out light? (a) an electric kettle (b) a tube light (c) a rice cooker (d) a siren
  31. 31.⚡ What does a table fan mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  32. 32.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.⚡ What does a street light mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  34. 34.⚡ What does a school bell mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  35. 35.True or false: a toaster mainly gives out heat. (a) True (b) False
  36. 36.Which of these mainly gives out heat? (a) a mixer grinder (b) an electric iron (c) a street light (d) a school bell
  37. 37.Which of these mainly gives out heat? (a) a buzzer (b) a doorbell (c) a mixer grinder (d) a room heater
  38. 38.Which of these mainly gives out light? (a) a loudspeaker (b) a traffic signal (c) an electric iron (d) an exhaust fan
  39. 39.Which of these mainly makes movement? (a) a night lamp (b) an LED lamp (c) a rice cooker (d) a ceiling fan
  40. 40.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) light (c) sound (d) movement

Answer key

  1. a toaster
  2. uses electricity
  3. movement energy
  4. a mixer grinder
  5. a night lamp
  6. a doorbell
  7. movement
  8. a water heater
  9. False
  10. a buzzer
  11. a buzzer
  12. a torch
  13. light energy
  14. an LED lamp
  15. True
  16. a loudspeaker
  17. False
  18. a generator
  19. a night lamp
  20. a toaster
  21. electrons
  22. light
  23. True
  24. movement
  25. a table fan
  26. True
  27. a mixer grinder
  28. a siren
  29. heat
  30. a tube light
  31. movement
  32. uses electricity
  33. light
  34. sound
  35. True
  36. an electric iron
  37. a room heater
  38. a traffic signal
  39. a ceiling fan
  40. heat

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