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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 254 · 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.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  2. 2.Which of these gives us electricity? (a) a bicycle dynamo (b) a computer (c) an air conditioner (d) a refrigerator
  3. 3.🔍 Which is the odd one out? (a) a mixer grinder (b) a ceiling fan (c) a table fan (d) a street light
  4. 4.True or false: a torch mainly makes movement. (a) False (b) True
  5. 5.True or false: a toaster mainly makes sound. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) an LED lamp (b) an electric kettle (c) a torch (d) a street light
  7. 7.Which of these mainly gives out heat? (a) an electric drill (b) a street light (c) a rice cooker (d) a torch
  8. 8.True or false: an electric kettle mainly gives out heat. (a) True (b) False
  9. 9.Which of these mainly makes sound? (a) a street light (b) a loudspeaker (c) a water heater (d) an electric kettle
  10. 10.Which of these mainly gives out light? (a) a tube light (b) a ceiling fan (c) a table fan (d) a siren
  11. 11.True or false: a doorbell mainly makes sound. (a) False (b) True
  12. 12.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  13. 13.Which of these uses electricity? (a) a solar panel (b) a power station (c) a water pump (d) a cell
  14. 14.⚡ What does a doorbell mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  15. 15.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) electrical energy (c) sound energy (d) nuclear energy
  16. 16.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) a siren (d) an LED lamp
  17. 17.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) electrons (d) photons
  18. 18.Which of these uses electricity? (a) a bicycle dynamo (b) a battery (c) a power station (d) a mobile phone
  19. 19.Which of these mainly gives out light? (a) an electric kettle (b) a loudspeaker (c) a torch (d) a rice cooker
  20. 20.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  21. 21.Which of these uses electricity? (a) a cell (b) a wind turbine (c) a solar panel (d) a washing machine
  22. 22.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  23. 23.True or false: a street light mainly makes movement. (a) False (b) True
  24. 24.🔍 Which is the odd one out? (a) a room heater (b) a water heater (c) a buzzer (d) an electric kettle
  25. 25.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  26. 26.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  27. 27.🔍 Which is the odd one out? (a) a siren (b) a night lamp (c) a school bell (d) a buzzer
  28. 28.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  29. 29.True or false: a traffic signal mainly gives out heat. (a) True (b) False
  30. 30.⚡ What does a room heater mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  31. 31.⚡ What does a night lamp mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  32. 32.Which of these uses electricity? (a) a generator (b) a television (c) a solar panel (d) a bicycle dynamo
  33. 33.Which of these mainly makes sound? (a) a street light (b) a traffic signal (c) a doorbell (d) a table fan
  34. 34.Which of these uses electricity? (a) a power station (b) an air conditioner (c) a battery (d) a generator
  35. 35.Which of these mainly gives out heat? (a) a ceiling fan (b) a traffic signal (c) a night lamp (d) an electric iron
  36. 36.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  38. 38.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) chemical energy (d) sound energy
  39. 39.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  40. 40.⚡ What does an electric iron mainly change electricity into? (a) movement (b) light (c) sound (d) heat

Answer key

  1. uses electricity
  2. a bicycle dynamo
  3. a street light
  4. False
  5. False
  6. an electric kettle
  7. a rice cooker
  8. True
  9. a loudspeaker
  10. a tube light
  11. True
  12. movement energy
  13. a water pump
  14. sound
  15. electrical energy
  16. a siren
  17. electrons
  18. a mobile phone
  19. a torch
  20. sound
  21. a washing machine
  22. light
  23. False
  24. a buzzer
  25. light
  26. gives electricity
  27. a night lamp
  28. movement
  29. False
  30. heat
  31. light
  32. a television
  33. a doorbell
  34. an air conditioner
  35. an electric iron
  36. gives electricity
  37. sound
  38. movement energy
  39. uses electricity
  40. heat

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