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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 370 · 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 of these mainly gives out light? (a) a buzzer (b) an electric toy car (c) a torch (d) a room heater
  2. 2.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.Which of these mainly makes sound? (a) a water heater (b) a ceiling fan (c) a tube light (d) a doorbell
  4. 4.Which of these mainly makes sound? (a) a street light (b) a school bell (c) a tube light (d) a night lamp
  5. 5.True or false: a siren mainly makes sound. (a) True (b) False
  6. 6.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a battery (d) a refrigerator
  7. 7.Which of these mainly gives out heat? (a) an electric kettle (b) a table fan (c) a tube light (d) an exhaust fan
  8. 8.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  9. 9.True or false: a toaster mainly gives out heat. (a) False (b) True
  10. 10.Which of these mainly makes movement? (a) an electric kettle (b) a room heater (c) a ceiling fan (d) a traffic signal
  11. 11.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) a computer (d) a bicycle dynamo
  12. 12.🔍 Which is the odd one out? (a) a tube light (b) a street light (c) an electric kettle (d) a traffic signal
  13. 13.🔍 Which is the odd one out? (a) a toaster (b) a school bell (c) a water heater (d) a room heater
  14. 14.Which of these mainly gives out heat? (a) an exhaust fan (b) a torch (c) a rice cooker (d) an electric drill
  15. 15.⚡ What does a torch mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  16. 16.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) sound energy (d) electrical energy
  17. 17.🔍 Which is the odd one out? (a) an exhaust fan (b) a ceiling fan (c) an LED lamp (d) an electric toy car
  18. 18.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.🔍 Which is the odd one out? (a) a traffic signal (b) a torch (c) a street light (d) an electric iron
  20. 20.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) sound energy (d) chemical energy
  21. 21.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  22. 22.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.Which of these uses electricity? (a) a cell (b) a television (c) a bicycle dynamo (d) a battery
  24. 24.🔍 Which is the odd one out? (a) a mixer grinder (b) a rice cooker (c) an electric drill (d) an electric toy car
  25. 25.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) chemical energy (c) light energy (d) movement energy
  26. 26.🔍 Which is the odd one out? (a) a siren (b) a loudspeaker (c) a table fan (d) a doorbell
  27. 27.Which of these mainly makes movement? (a) a loudspeaker (b) a tube light (c) a room heater (d) an exhaust fan
  28. 28.True or false: an electric iron mainly gives out heat. (a) True (b) False
  29. 29.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.True or false: a table fan mainly gives out heat. (a) False (b) True
  31. 31.Which of these mainly makes sound? (a) a buzzer (b) a rice cooker (c) an electric kettle (d) a tube light
  32. 32.Which of these gives us electricity? (a) a washing machine (b) a refrigerator (c) a generator (d) an air conditioner
  33. 33.🔍 Which is the odd one out? (a) an electric iron (b) a water heater (c) a toaster (d) a street light
  34. 34.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric drill (c) a loudspeaker (d) a mixer grinder
  35. 35.Which of these gives us electricity? (a) a washing machine (b) a water pump (c) an air conditioner (d) a power station
  36. 36.Which of these uses electricity? (a) a generator (b) a cell (c) a battery (d) a computer
  37. 37.🔍 Which is the odd one out? (a) a siren (b) a torch (c) a doorbell (d) a buzzer
  38. 38.🔍 Which is the odd one out? (a) a buzzer (b) a loudspeaker (c) a doorbell (d) a night lamp
  39. 39.Which of these uses electricity? (a) a generator (b) a cell (c) a refrigerator (d) a bicycle dynamo
  40. 40.Which of these mainly gives out heat? (a) a tube light (b) a ceiling fan (c) a room heater (d) a buzzer

Answer key

  1. a torch
  2. gives electricity
  3. a doorbell
  4. a school bell
  5. True
  6. a battery
  7. an electric kettle
  8. heat
  9. True
  10. a ceiling fan
  11. a bicycle dynamo
  12. an electric kettle
  13. a school bell
  14. a rice cooker
  15. light
  16. electrical energy
  17. an LED lamp
  18. uses electricity
  19. an electric iron
  20. light energy
  21. electric current
  22. uses electricity
  23. a television
  24. a rice cooker
  25. movement energy
  26. a table fan
  27. an exhaust fan
  28. True
  29. gives electricity
  30. False
  31. a buzzer
  32. a generator
  33. a street light
  34. a loudspeaker
  35. a power station
  36. a computer
  37. a torch
  38. a night lamp
  39. a refrigerator
  40. a room heater

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