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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 685 · 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 movement? (a) a buzzer (b) an electric drill (c) a loudspeaker (d) a traffic signal
  2. 2.🔍 Which is the odd one out? (a) a torch (b) a tube light (c) an LED lamp (d) a doorbell
  3. 3.True or false: a room heater mainly gives out heat. (a) False (b) True
  4. 4.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.🔍 Which is the odd one out? (a) a tube light (b) a mixer grinder (c) an LED lamp (d) a torch
  6. 6.True or false: a night lamp mainly gives out light. (a) True (b) False
  7. 7.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) a mobile phone (d) a wind turbine
  8. 8.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  9. 9.Which of these mainly makes movement? (a) a buzzer (b) a rice cooker (c) an LED lamp (d) an exhaust fan
  10. 10.🔍 Which is the odd one out? (a) an exhaust fan (b) a mixer grinder (c) a ceiling fan (d) a tube light
  11. 11.🔍 Which is the odd one out? (a) an electric iron (b) an electric kettle (c) a night lamp (d) a rice cooker
  12. 12.True or false: an exhaust fan mainly makes sound. (a) False (b) True
  13. 13.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) chemical energy (c) light energy (d) sound energy
  14. 14.Which of these mainly makes sound? (a) a tube light (b) a night lamp (c) a buzzer (d) a torch
  15. 15.⚡ What does a siren mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  16. 16.Which of these mainly makes sound? (a) a street light (b) a doorbell (c) a traffic signal (d) an LED lamp
  17. 17.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) light energy (c) chemical energy (d) sound energy
  18. 18.Which of these mainly gives out light? (a) a torch (b) a school bell (c) a toaster (d) a room heater
  19. 19.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) friction (d) a magnet
  20. 20.🔍 Which is the odd one out? (a) a school bell (b) a street light (c) a buzzer (d) a loudspeaker
  21. 21.⚡ What does a water heater mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  22. 22.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  23. 23.True or false: a street light mainly gives out light. (a) False (b) True
  24. 24.🔍 Which is the odd one out? (a) a street light (b) a traffic signal (c) a tube light (d) a siren
  25. 25.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  26. 26.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) electrons (d) dust particles
  27. 27.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.🔍 Which is the odd one out? (a) a school bell (b) a buzzer (c) an electric iron (d) a siren
  29. 29.Which of these mainly gives out heat? (a) an electric drill (b) a buzzer (c) an electric kettle (d) a torch
  30. 30.⚡ What does a school bell mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  31. 31.Which of these uses electricity? (a) a computer (b) a wind turbine (c) a bicycle dynamo (d) a generator
  32. 32.🔍 Which is the odd one out? (a) a ceiling fan (b) an LED lamp (c) a torch (d) a tube light
  33. 33.Which of these mainly gives out light? (a) an electric iron (b) a loudspeaker (c) a night lamp (d) a toaster
  34. 34.True or false: a water heater mainly gives out heat. (a) True (b) False
  35. 35.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  36. 36.🔍 Which is the odd one out? (a) an LED lamp (b) a rice cooker (c) a tube light (d) a torch
  37. 37.⚡ What does a tube light mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  38. 38.True or false: a school bell mainly makes sound. (a) True (b) False
  39. 39.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) electrical energy (d) nuclear energy
  40. 40.True or false: an LED lamp mainly makes sound. (a) False (b) True

Answer key

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

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