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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 168 · 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 traffic signal mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  2. 2.Which of these mainly gives out light? (a) a traffic signal (b) a doorbell (c) a table fan (d) a rice cooker
  3. 3.Which of these uses electricity? (a) a solar panel (b) a generator (c) a power station (d) a mobile phone
  4. 4.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a computer (d) a bicycle dynamo
  5. 5.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  6. 6.⚡ What does a tube light mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  7. 7.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) light energy (c) chemical energy (d) sound energy
  8. 8.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  9. 9.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) sound energy (c) wind energy (d) electrical energy
  10. 10.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) an LED lamp (d) a table fan
  11. 11.Which of these uses electricity? (a) a cell (b) a solar panel (c) a television (d) a battery
  12. 12.Which of these mainly gives out light? (a) a ceiling fan (b) an exhaust fan (c) a water heater (d) a night lamp
  13. 13.🔍 Which is the odd one out? (a) a school bell (b) a buzzer (c) a night lamp (d) a loudspeaker
  14. 14.Which of these mainly makes sound? (a) a buzzer (b) a torch (c) a ceiling fan (d) an LED lamp
  15. 15.True or false: a water heater mainly gives out heat. (a) True (b) False
  16. 16.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.Which of these mainly gives out light? (a) a tube light (b) a loudspeaker (c) an electric iron (d) a rice cooker
  19. 19.🔍 Which is the odd one out? (a) a doorbell (b) a school bell (c) an exhaust fan (d) a buzzer
  20. 20.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.True or false: a torch mainly gives out heat. (a) False (b) True
  22. 22.⚡ What does a toaster mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  23. 23.🔍 Which is the odd one out? (a) a room heater (b) a toaster (c) an electric drill (d) a water heater
  24. 24.True or false: a doorbell mainly makes sound. (a) False (b) True
  25. 25.True or false: a siren mainly makes movement. (a) False (b) True
  26. 26.🔍 Which is the odd one out? (a) an electric iron (b) an electric toy car (c) an exhaust fan (d) a table fan
  27. 27.⚡ What does a torch mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  28. 28.⚡ What does a buzzer mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  29. 29.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.Which of these mainly makes movement? (a) a toaster (b) a room heater (c) a traffic signal (d) a ceiling fan
  31. 31.True or false: an electric kettle mainly gives out heat. (a) True (b) False
  32. 32.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  33. 33.True or false: an electric iron mainly makes movement. (a) False (b) True
  34. 34.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  35. 35.Which of these gives us electricity? (a) a water pump (b) a generator (c) a refrigerator (d) a computer
  36. 36.Which of these mainly makes sound? (a) a torch (b) a doorbell (c) a room heater (d) a tube light
  37. 37.Which of these gives us electricity? (a) a computer (b) a water pump (c) a solar panel (d) a refrigerator
  38. 38.Which of these uses electricity? (a) a solar panel (b) a cell (c) a washing machine (d) a generator
  39. 39.🔍 Which is the odd one out? (a) a school bell (b) a loudspeaker (c) a doorbell (d) a traffic signal
  40. 40.🔍 Which is the odd one out? (a) an electric kettle (b) a water heater (c) an electric iron (d) a school bell

Answer key

  1. light
  2. a traffic signal
  3. a mobile phone
  4. a bicycle dynamo
  5. movement
  6. light
  7. movement energy
  8. movement energy
  9. electrical energy
  10. a table fan
  11. a television
  12. a night lamp
  13. a night lamp
  14. a buzzer
  15. True
  16. uses electricity
  17. uses electricity
  18. a tube light
  19. an exhaust fan
  20. uses electricity
  21. False
  22. heat
  23. an electric drill
  24. True
  25. False
  26. an electric iron
  27. light
  28. sound
  29. gives electricity
  30. a ceiling fan
  31. True
  32. light
  33. False
  34. True
  35. a generator
  36. a doorbell
  37. a solar panel
  38. a washing machine
  39. a traffic signal
  40. a school bell

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