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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 698 · 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 is the odd one out? (a) an exhaust fan (b) a mixer grinder (c) a school bell (d) an electric drill
  2. 2.True or false: an LED lamp mainly makes movement. (a) False (b) True
  3. 3.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  4. 4.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  5. 5.Which of these mainly makes movement? (a) a ceiling fan (b) a traffic signal (c) a siren (d) a school bell
  6. 6.🔍 Which is the odd one out? (a) a room heater (b) a rice cooker (c) an electric iron (d) a doorbell
  7. 7.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.Which of these mainly makes sound? (a) a traffic signal (b) an electric iron (c) a tube light (d) a buzzer
  9. 9.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  10. 10.🔍 Which is the odd one out? (a) a torch (b) a mixer grinder (c) a table fan (d) a ceiling fan
  11. 11.🔍 Which is the odd one out? (a) an electric kettle (b) a rice cooker (c) a ceiling fan (d) an electric iron
  12. 12.Which of these gives us electricity? (a) a computer (b) an air conditioner (c) a refrigerator (d) a battery
  13. 13.🔍 Which is the odd one out? (a) a doorbell (b) an electric iron (c) a loudspeaker (d) a buzzer
  14. 14.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  15. 15.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) nuclear energy (d) electrical energy
  16. 16.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  17. 17.🔍 Which is the odd one out? (a) a street light (b) a night lamp (c) a traffic signal (d) a rice cooker
  18. 18.🔍 Which is the odd one out? (a) an electric toy car (b) a mixer grinder (c) an exhaust fan (d) a buzzer
  19. 19.⚡ What does a torch mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  20. 20.Which of these mainly makes sound? (a) a school bell (b) an LED lamp (c) a mixer grinder (d) an electric drill
  21. 21.True or false: an LED lamp mainly gives out light. (a) False (b) True
  22. 22.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) friction (d) sound
  23. 23.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) dust particles (d) photons
  24. 24.⚡ What does a night lamp mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  25. 25.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  26. 26.Which of these mainly makes sound? (a) an LED lamp (b) a room heater (c) a street light (d) a loudspeaker
  27. 27.Which of these mainly gives out light? (a) a siren (b) an exhaust fan (c) a doorbell (d) a torch
  28. 28.🔍 Which is the odd one out? (a) an electric drill (b) a ceiling fan (c) a table fan (d) a street light
  29. 29.Which of these uses electricity? (a) a wind turbine (b) a cell (c) a computer (d) a bicycle dynamo
  30. 30.Which of these uses electricity? (a) a wind turbine (b) a solar panel (c) a battery (d) a refrigerator
  31. 31.🔍 Which is the odd one out? (a) a traffic signal (b) a school bell (c) a siren (d) a loudspeaker
  32. 32.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.True or false: an electric kettle mainly gives out light. (a) True (b) False
  34. 34.⚡ What does a buzzer mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  35. 35.Which of these mainly gives out light? (a) a night lamp (b) a school bell (c) an electric iron (d) a siren
  36. 36.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.⚡ What does a water heater mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  38. 38.True or false: an electric toy car mainly gives out heat. (a) True (b) False
  39. 39.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  40. 40.Which of these mainly makes movement? (a) a table fan (b) a toaster (c) a water heater (d) a tube light

Answer key

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

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