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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. sound
  2. gives electricity
  3. a siren
  4. light
  5. a solar panel
  6. light
  7. a power station
  8. a mobile phone
  9. True
  10. electrons
  11. movement energy
  12. movement
  13. False
  14. gives electricity
  15. a wind turbine
  16. gives electricity
  17. a school bell
  18. a ceiling fan
  19. electric current
  20. a mixer grinder
  21. a torch
  22. heat
  23. a room heater
  24. gives electricity
  25. True
  26. electrical energy
  27. True
  28. uses electricity
  29. a water heater
  30. a table fan
  31. an exhaust fan
  32. light energy
  33. a table fan
  34. a doorbell
  35. an electric drill
  36. sound
  37. heat
  38. gives electricity
  39. a doorbell
  40. sound

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