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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 813 · 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.

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

Answer key

  1. movement
  2. movement
  3. a mobile phone
  4. True
  5. a siren
  6. an electric toy car
  7. True
  8. electrons
  9. gives electricity
  10. movement
  11. a mixer grinder
  12. uses electricity
  13. a buzzer
  14. False
  15. sound
  16. gives electricity
  17. electrical energy
  18. heat
  19. light
  20. movement energy
  21. uses electricity
  22. a buzzer
  23. light
  24. uses electricity
  25. heat
  26. a mixer grinder
  27. movement
  28. a torch
  29. an LED lamp
  30. a night lamp
  31. movement energy
  32. an exhaust fan
  33. light energy
  34. a water heater
  35. heat
  36. True
  37. an electric kettle
  38. a ceiling fan
  39. True
  40. a doorbell

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