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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 567 · 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.True or false: a night lamp mainly gives out light. (a) False (b) True
  2. 2.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  4. 4.Which of these mainly makes sound? (a) a toaster (b) a siren (c) an LED lamp (d) a torch
  5. 5.⚡ What does a tube light mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  6. 6.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.Which of these mainly makes sound? (a) a tube light (b) a buzzer (c) a ceiling fan (d) a toaster
  8. 8.True or false: a loudspeaker mainly gives out light. (a) True (b) False
  9. 9.⚡ What does a street light mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  10. 10.Which of these uses electricity? (a) a battery (b) a computer (c) a bicycle dynamo (d) a wind turbine
  11. 11.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  12. 12.Which of these mainly gives out light? (a) a loudspeaker (b) a doorbell (c) a torch (d) an electric drill
  13. 13.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  14. 14.⚡ What does a school bell mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  15. 15.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.⚡ What does a table fan mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  18. 18.🔍 Which is the odd one out? (a) a water heater (b) an electric iron (c) a toaster (d) a buzzer
  19. 19.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  20. 20.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.🔍 Which is the odd one out? (a) a school bell (b) a tube light (c) a buzzer (d) a loudspeaker
  22. 22.True or false: a siren mainly gives out light. (a) True (b) False
  23. 23.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) wind energy (c) light energy (d) sound energy
  24. 24.True or false: a night lamp mainly makes movement. (a) False (b) True
  25. 25.Which of these gives us electricity? (a) a refrigerator (b) an air conditioner (c) a water pump (d) a cell
  26. 26.🔍 Which is the odd one out? (a) an electric kettle (b) a buzzer (c) a doorbell (d) a siren
  27. 27.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  28. 28.True or false: a water heater mainly gives out heat. (a) False (b) True
  29. 29.Which of these gives us electricity? (a) a washing machine (b) a television (c) a solar panel (d) a refrigerator
  30. 30.⚡ What does a night lamp mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  31. 31.True or false: an electric drill mainly makes movement. (a) False (b) True
  32. 32.⚡ What does a doorbell mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  33. 33.Which of these mainly makes movement? (a) an electric kettle (b) an LED lamp (c) an exhaust fan (d) a tube light
  34. 34.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  35. 35.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) sound energy (d) wind energy
  36. 36.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  37. 37.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  38. 38.⚡ What does an electric iron mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  39. 39.Which of these mainly gives out light? (a) a school bell (b) an electric toy car (c) an electric iron (d) a street light
  40. 40.Which of these gives us electricity? (a) a washing machine (b) a refrigerator (c) a water pump (d) a battery

Answer key

  1. True
  2. uses electricity
  3. electric current
  4. a siren
  5. light
  6. uses electricity
  7. a buzzer
  8. False
  9. light
  10. a computer
  11. movement energy
  12. a torch
  13. movement energy
  14. sound
  15. gives electricity
  16. gives electricity
  17. movement
  18. a buzzer
  19. electrons
  20. uses electricity
  21. a tube light
  22. False
  23. light energy
  24. False
  25. a cell
  26. an electric kettle
  27. light
  28. True
  29. a solar panel
  30. light
  31. True
  32. sound
  33. an exhaust fan
  34. sound
  35. electrical energy
  36. heat
  37. uses electricity
  38. heat
  39. a street light
  40. a battery

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