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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 320 · 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.🔍 Which is the odd one out? (a) a night lamp (b) an LED lamp (c) a torch (d) a school bell
  2. 2.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.Which of these mainly gives out light? (a) a doorbell (b) a mixer grinder (c) a tube light (d) a loudspeaker
  4. 4.True or false: a tube light mainly gives out heat. (a) False (b) True
  5. 5.⚡ What does an electric toy car mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  6. 6.🔍 Which is the odd one out? (a) a traffic signal (b) a rice cooker (c) an electric iron (d) a toaster
  7. 7.🔍 Which is the odd one out? (a) a room heater (b) an electric iron (c) a toaster (d) a loudspeaker
  8. 8.⚡ What does an electric iron mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  9. 9.🔍 Which is the odd one out? (a) a mixer grinder (b) an LED lamp (c) a ceiling fan (d) an electric toy car
  10. 10.True or false: a night lamp mainly makes movement. (a) False (b) True
  11. 11.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) light energy (d) chemical energy
  12. 12.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) friction (d) sound
  13. 13.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  14. 14.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.Which of these uses electricity? (a) a battery (b) a refrigerator (c) a power station (d) a bicycle dynamo
  16. 16.Which of these mainly gives out heat? (a) a street light (b) a ceiling fan (c) a school bell (d) a water heater
  17. 17.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.⚡ What does a table fan mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  19. 19.⚡ What does a ceiling fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  20. 20.⚡ What does a night lamp mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  21. 21.⚡ What does a toaster mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  22. 22.🔍 Which is the odd one out? (a) a water heater (b) a rice cooker (c) a doorbell (d) a toaster
  23. 23.⚡ What does a tube light mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  24. 24.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a wind turbine (d) a water pump
  25. 25.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  27. 27.⚡ What does a street light mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  28. 28.True or false: a ceiling fan mainly makes sound. (a) False (b) True
  29. 29.True or false: an LED lamp mainly makes sound. (a) True (b) False
  30. 30.🔍 Which is the odd one out? (a) an electric kettle (b) an electric iron (c) an exhaust fan (d) a toaster
  31. 31.True or false: a rice cooker mainly gives out heat. (a) True (b) False
  32. 32.Which of these mainly makes movement? (a) a rice cooker (b) an electric toy car (c) an electric kettle (d) a night lamp
  33. 33.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  34. 34.🔍 Which is the odd one out? (a) a tube light (b) an electric iron (c) a torch (d) a night lamp
  35. 35.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) chemical energy (d) sound energy
  36. 36.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) wind energy (d) nuclear energy
  37. 37.True or false: a tube light mainly gives out light. (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) an electric toy car (b) a loudspeaker (c) a siren (d) a doorbell
  39. 39.Which of these mainly gives out heat? (a) an LED lamp (b) a room heater (c) a night lamp (d) a ceiling fan
  40. 40.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) photons (d) electrons

Answer key

  1. a school bell
  2. gives electricity
  3. a tube light
  4. False
  5. movement
  6. a traffic signal
  7. a loudspeaker
  8. heat
  9. an LED lamp
  10. False
  11. movement energy
  12. electric current
  13. sound
  14. gives electricity
  15. a refrigerator
  16. a water heater
  17. gives electricity
  18. movement
  19. movement
  20. light
  21. heat
  22. a doorbell
  23. light
  24. a wind turbine
  25. gives electricity
  26. movement energy
  27. light
  28. False
  29. False
  30. an exhaust fan
  31. True
  32. an electric toy car
  33. uses electricity
  34. an electric iron
  35. light energy
  36. electrical energy
  37. True
  38. an electric toy car
  39. a room heater
  40. electrons

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