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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 458 · 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 electric iron mainly makes movement. (a) False (b) True
  2. 2.Which of these uses electricity? (a) a cell (b) a battery (c) a wind turbine (d) a mobile phone
  3. 3.Which of these mainly makes sound? (a) a toaster (b) a doorbell (c) an exhaust fan (d) an electric kettle
  4. 4.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.🔍 Which is the odd one out? (a) a toaster (b) a torch (c) a water heater (d) an electric kettle
  6. 6.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) a ceiling fan (d) a street light
  7. 7.⚡ What does a street light mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  8. 8.🔍 Which is the odd one out? (a) an electric iron (b) a tube light (c) an electric kettle (d) a water heater
  9. 9.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  10. 10.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) sound energy (d) light energy
  11. 11.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  12. 12.🔍 Which is the odd one out? (a) a siren (b) a toaster (c) a school bell (d) a loudspeaker
  13. 13.True or false: an electric drill mainly makes movement. (a) False (b) True
  14. 14.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric kettle (c) a room heater (d) an electric iron
  15. 15.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  16. 16.Which of these mainly gives out light? (a) a siren (b) a tube light (c) an exhaust fan (d) a toaster
  17. 17.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.🔍 Which is the odd one out? (a) a tube light (b) a traffic signal (c) a torch (d) a loudspeaker
  20. 20.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.⚡ What does a torch mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  22. 22.Which of these mainly gives out heat? (a) a tube light (b) a street light (c) an electric drill (d) a room heater
  23. 23.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) a cell (d) a television
  24. 24.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) chemical energy (d) sound energy
  25. 25.Which of these gives us electricity? (a) a refrigerator (b) a water pump (c) a television (d) a solar panel
  26. 26.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) light energy (c) movement energy (d) sound energy
  27. 27.True or false: a ceiling fan mainly gives out heat. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) a traffic signal (b) a buzzer (c) a torch (d) an LED lamp
  29. 29.Which of these mainly gives out light? (a) a toaster (b) an LED lamp (c) an electric kettle (d) a water heater
  30. 30.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  31. 31.True or false: a buzzer mainly makes sound. (a) False (b) True
  32. 32.Which of these mainly gives out light? (a) a ceiling fan (b) an electric drill (c) a torch (d) an electric iron
  33. 33.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  34. 34.Which of these mainly gives out heat? (a) an electric drill (b) a ceiling fan (c) a rice cooker (d) a table fan
  35. 35.⚡ What does a table fan mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  36. 36.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  37. 37.True or false: an LED lamp mainly gives out light. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) a loudspeaker (b) a buzzer (c) an electric kettle (d) a school bell
  39. 39.Which of these mainly gives out heat? (a) a ceiling fan (b) a street light (c) an electric kettle (d) a school bell
  40. 40.Which of these mainly gives out light? (a) a room heater (b) an electric toy car (c) a toaster (d) a traffic signal

Answer key

  1. False
  2. a mobile phone
  3. a doorbell
  4. uses electricity
  5. a torch
  6. a ceiling fan
  7. light
  8. a tube light
  9. light
  10. movement energy
  11. movement
  12. a toaster
  13. True
  14. a mixer grinder
  15. movement
  16. a tube light
  17. uses electricity
  18. gives electricity
  19. a loudspeaker
  20. gives electricity
  21. light
  22. a room heater
  23. a cell
  24. light energy
  25. a solar panel
  26. movement energy
  27. False
  28. a buzzer
  29. an LED lamp
  30. True
  31. True
  32. a torch
  33. heat
  34. a rice cooker
  35. movement
  36. movement
  37. True
  38. an electric kettle
  39. an electric kettle
  40. a traffic signal

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