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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 314 · 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.True or false: an exhaust fan mainly gives out light. (a) True (b) False
  2. 2.⚡ What does a tube light mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  3. 3.Which of these mainly makes movement? (a) a water heater (b) a doorbell (c) a tube light (d) a table fan
  4. 4.🔍 Which is the odd one out? (a) a toaster (b) a torch (c) a rice cooker (d) an electric kettle
  5. 5.🔍 Which is the odd one out? (a) a room heater (b) an electric kettle (c) a tube light (d) a toaster
  6. 6.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  7. 7.🔍 Which is the odd one out? (a) an electric iron (b) a buzzer (c) a room heater (d) a water heater
  8. 8.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) a room heater (d) a school bell
  9. 9.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.🔍 Which is the odd one out? (a) a siren (b) a toaster (c) a doorbell (d) a buzzer
  11. 11.True or false: a school bell mainly makes movement. (a) True (b) False
  12. 12.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  13. 13.Which of these gives us electricity? (a) a refrigerator (b) an air conditioner (c) a generator (d) a mobile phone
  14. 14.Which of these uses electricity? (a) a wind turbine (b) a bicycle dynamo (c) a mobile phone (d) a generator
  15. 15.🔍 Which is the odd one out? (a) an electric drill (b) a ceiling fan (c) an electric toy car (d) a street light
  16. 16.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.Which of these gives us electricity? (a) a water pump (b) a washing machine (c) an air conditioner (d) a battery
  18. 18.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) photons (d) dust particles
  19. 19.Which of these mainly gives out light? (a) a water heater (b) a table fan (c) an LED lamp (d) a doorbell
  20. 20.True or false: a siren mainly makes movement. (a) False (b) True
  21. 21.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) sound (d) a magnet
  24. 24.⚡ What does a siren mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  25. 25.Which of these mainly makes movement? (a) a siren (b) a mixer grinder (c) a night lamp (d) a water heater
  26. 26.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) a school bell (d) an exhaust fan
  27. 27.🔍 Which is the odd one out? (a) a tube light (b) an electric iron (c) a night lamp (d) an LED lamp
  28. 28.⚡ What does an electric toy car mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  29. 29.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  30. 30.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) nuclear energy (d) electrical energy
  32. 32.🔍 Which is the odd one out? (a) a doorbell (b) a night lamp (c) a buzzer (d) a loudspeaker
  33. 33.True or false: an exhaust fan mainly makes movement. (a) False (b) True
  34. 34.True or false: a doorbell mainly gives out light. (a) True (b) False
  35. 35.True or false: an electric toy car mainly makes sound. (a) False (b) True
  36. 36.Which of these uses electricity? (a) a solar panel (b) a computer (c) a battery (d) a bicycle dynamo
  37. 37.⚡ What does a water heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  38. 38.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  39. 39.🔍 Which is the odd one out? (a) a torch (b) a street light (c) an electric toy car (d) a tube light
  40. 40.Which of these gives us electricity? (a) a washing machine (b) a television (c) a bicycle dynamo (d) a refrigerator

Answer key

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

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