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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 174 · 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.

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

Answer key

  1. a water heater
  2. a school bell
  3. gives electricity
  4. a tube light
  5. a traffic signal
  6. an exhaust fan
  7. a computer
  8. uses electricity
  9. movement
  10. a tube light
  11. electrons
  12. gives electricity
  13. False
  14. heat
  15. movement
  16. movement
  17. False
  18. a toaster
  19. heat
  20. a power station
  21. gives electricity
  22. heat
  23. a ceiling fan
  24. a traffic signal
  25. light
  26. movement energy
  27. sound
  28. light
  29. a torch
  30. a doorbell
  31. a buzzer
  32. light energy
  33. a mobile phone
  34. movement
  35. a toaster
  36. a night lamp
  37. gives electricity
  38. an exhaust fan
  39. a refrigerator
  40. an LED lamp

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