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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 209 · 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 bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  2. 2.Which of these mainly gives out light? (a) an electric iron (b) a traffic signal (c) an electric kettle (d) an electric drill
  3. 3.Which of these mainly gives out heat? (a) a traffic signal (b) a night lamp (c) a table fan (d) a room heater
  4. 4.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) a power station (d) a mobile phone
  5. 5.🔍 Which is the odd one out? (a) a traffic signal (b) a water heater (c) a tube light (d) a street light
  6. 6.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) light energy (c) movement energy (d) sound energy
  7. 7.Which of these mainly makes movement? (a) an LED lamp (b) a table fan (c) a buzzer (d) an electric kettle
  8. 8.True or false: an LED lamp mainly makes sound. (a) True (b) False
  9. 9.Which of these mainly gives out light? (a) a room heater (b) a siren (c) a night lamp (d) an electric drill
  10. 10.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  11. 11.True or false: a torch mainly gives out light. (a) False (b) True
  12. 12.Which of these gives us electricity? (a) an air conditioner (b) a television (c) a mobile phone (d) a bicycle dynamo
  13. 13.Which of these mainly makes sound? (a) a traffic signal (b) a doorbell (c) an LED lamp (d) an electric toy car
  14. 14.🔍 Which is the odd one out? (a) a street light (b) a tube light (c) a ceiling fan (d) an LED lamp
  15. 15.True or false: a room heater mainly gives out light. (a) False (b) True
  16. 16.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.🔍 Which is the odd one out? (a) a ceiling fan (b) a mixer grinder (c) a street light (d) an electric toy car
  18. 18.True or false: a school bell mainly gives out heat. (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) a tube light (b) an electric iron (c) an LED lamp (d) a night lamp
  20. 20.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) light energy (d) chemical energy
  21. 21.Which of these mainly gives out light? (a) a school bell (b) a water heater (c) a tube light (d) an electric toy car
  22. 22.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) electrical energy (d) nuclear energy
  23. 23.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) friction (d) sound
  25. 25.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  26. 26.⚡ What does a toaster mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  27. 27.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) electrons (d) water drops
  28. 28.Which of these mainly gives out light? (a) a buzzer (b) a room heater (c) a toaster (d) an LED lamp
  29. 29.Which of these mainly makes movement? (a) a night lamp (b) a room heater (c) a torch (d) an electric toy car
  30. 30.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.Which of these mainly gives out heat? (a) a loudspeaker (b) an electric kettle (c) a doorbell (d) an exhaust fan
  32. 32.⚡ What does a room heater mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  33. 33.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) a traffic signal (d) a siren
  34. 34.True or false: a room heater mainly gives out heat. (a) True (b) False
  35. 35.Which of these gives us electricity? (a) a washing machine (b) a mobile phone (c) a wind turbine (d) a television
  36. 36.🔍 Which is the odd one out? (a) a buzzer (b) an electric kettle (c) a room heater (d) a water heater
  37. 37.Which of these mainly gives out heat? (a) a traffic signal (b) a siren (c) an electric iron (d) a torch
  38. 38.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  39. 39.Which of these mainly gives out heat? (a) a school bell (b) a loudspeaker (c) a toaster (d) a siren
  40. 40.Which of these mainly gives out light? (a) a toaster (b) a table fan (c) an electric toy car (d) a street light

Answer key

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

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