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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 748 · 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 toaster (b) an electric iron (c) a tube light (d) an electric kettle
  2. 2.Which of these mainly gives out heat? (a) a water heater (b) a siren (c) a buzzer (d) a doorbell
  3. 3.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) a ceiling fan (d) a school bell
  4. 4.⚡ What does an electric kettle mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  5. 5.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.Which of these uses electricity? (a) a generator (b) a battery (c) a television (d) a solar panel
  7. 7.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  8. 8.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) nuclear energy (d) electrical energy
  9. 9.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  11. 11.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  13. 13.⚡ What does a siren mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  14. 14.True or false: a traffic signal mainly gives out light. (a) True (b) False
  15. 15.Which of these mainly makes sound? (a) a doorbell (b) an electric iron (c) a water heater (d) a toaster
  16. 16.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  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.True or false: a siren mainly gives out light. (a) False (b) True
  19. 19.Which of these mainly makes sound? (a) a rice cooker (b) a school bell (c) an electric kettle (d) a room heater
  20. 20.⚡ What does an electric drill mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  21. 21.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  22. 22.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  23. 23.True or false: a torch mainly gives out light. (a) False (b) True
  24. 24.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  25. 25.Which of these gives us electricity? (a) a computer (b) a battery (c) a washing machine (d) a refrigerator
  26. 26.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  27. 27.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.🔍 Which is the odd one out? (a) a torch (b) a street light (c) a siren (d) a night lamp
  29. 29.🔍 Which is the odd one out? (a) a loudspeaker (b) a siren (c) a buzzer (d) a street light
  30. 30.Which of these mainly gives out light? (a) a water heater (b) a torch (c) an electric drill (d) a school bell
  31. 31.True or false: a ceiling fan mainly makes movement. (a) True (b) False
  32. 32.🔍 Which is the odd one out? (a) a loudspeaker (b) a street light (c) a traffic signal (d) a night lamp
  33. 33.⚡ What does a doorbell mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  34. 34.🔍 Which is the odd one out? (a) a rice cooker (b) a night lamp (c) a street light (d) a traffic signal
  35. 35.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  36. 36.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) sound energy (d) chemical energy
  37. 37.⚡ What does a traffic signal mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  38. 38.True or false: a mixer grinder mainly makes sound. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) a school bell (b) an electric iron (c) a buzzer (d) a siren
  40. 40.⚡ What does a school bell mainly change electricity into? (a) sound (b) light (c) heat (d) movement

Answer key

  1. a tube light
  2. a water heater
  3. a ceiling fan
  4. heat
  5. uses electricity
  6. a television
  7. movement
  8. electrical energy
  9. gives electricity
  10. movement
  11. uses electricity
  12. heat
  13. sound
  14. True
  15. a doorbell
  16. movement
  17. movement energy
  18. False
  19. a school bell
  20. movement
  21. electric current
  22. gives electricity
  23. True
  24. movement energy
  25. a battery
  26. heat
  27. gives electricity
  28. a siren
  29. a street light
  30. a torch
  31. True
  32. a loudspeaker
  33. sound
  34. a rice cooker
  35. light
  36. light energy
  37. light
  38. False
  39. an electric iron
  40. sound

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