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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 246 · 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.🔍 Which is the odd one out? (a) a rice cooker (b) an electric kettle (c) a traffic signal (d) an electric iron
  2. 2.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  3. 3.True or false: an LED lamp mainly gives out heat. (a) True (b) False
  4. 4.True or false: a room heater mainly gives out heat. (a) False (b) True
  5. 5.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.True or false: an electric kettle mainly makes movement. (a) True (b) False
  7. 7.🔍 Which is the odd one out? (a) a siren (b) a mixer grinder (c) an electric toy car (d) a table fan
  8. 8.Which of these mainly gives out light? (a) a tube light (b) a doorbell (c) an exhaust fan (d) an electric toy car
  9. 9.⚡ What does a toaster mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  10. 10.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  11. 11.Which of these mainly gives out heat? (a) an LED lamp (b) a torch (c) an electric iron (d) a siren
  12. 12.Which of these gives us electricity? (a) a television (b) a refrigerator (c) an air conditioner (d) a battery
  13. 13.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.🔍 Which is the odd one out? (a) a doorbell (b) a buzzer (c) a siren (d) a mixer grinder
  15. 15.Which of these mainly gives out heat? (a) a doorbell (b) an LED lamp (c) a room heater (d) an electric toy car
  16. 16.⚡ What does a buzzer mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  17. 17.Which of these mainly makes sound? (a) a mixer grinder (b) a tube light (c) a buzzer (d) a room heater
  18. 18.Which of these gives us electricity? (a) a water pump (b) an air conditioner (c) a television (d) a power station
  19. 19.⚡ What does a doorbell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  20. 20.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric drill (c) a torch (d) a mixer grinder
  21. 21.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) light energy (d) chemical energy
  22. 22.True or false: a school bell mainly makes sound. (a) True (b) False
  23. 23.Which of these mainly gives out light? (a) an electric kettle (b) an electric iron (c) an LED lamp (d) a toaster
  24. 24.🔍 Which is the odd one out? (a) an exhaust fan (b) a table fan (c) an electric kettle (d) an electric toy car
  25. 25.Which of these uses electricity? (a) a bicycle dynamo (b) a solar panel (c) a wind turbine (d) a refrigerator
  26. 26.Which of these mainly makes sound? (a) a rice cooker (b) a school bell (c) an electric kettle (d) an electric drill
  27. 27.⚡ What does a water heater mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  28. 28.⚡ What does a school bell mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  29. 29.Which of these mainly makes movement? (a) a mixer grinder (b) a buzzer (c) a doorbell (d) a tube light
  30. 30.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  31. 31.True or false: an electric drill mainly makes movement. (a) False (b) True
  32. 32.True or false: a torch mainly makes sound. (a) False (b) True
  33. 33.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) sound energy (d) light energy
  34. 34.Which of these gives us electricity? (a) a generator (b) a refrigerator (c) a water pump (d) a washing machine
  35. 35.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.⚡ What does an LED lamp mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  37. 37.🔍 Which is the odd one out? (a) an electric iron (b) a toaster (c) a room heater (d) a table fan
  38. 38.True or false: a tube light mainly makes movement. (a) False (b) True
  39. 39.Which of these mainly makes movement? (a) a rice cooker (b) a table fan (c) a doorbell (d) an LED lamp
  40. 40.True or false: a doorbell mainly makes sound. (a) False (b) True

Answer key

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

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