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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. sound
  2. uses electricity
  3. electric current
  4. gives electricity
  5. gives electricity
  6. a loudspeaker
  7. False
  8. a cell
  9. True
  10. a television
  11. light
  12. an air conditioner
  13. uses electricity
  14. electrons
  15. True
  16. light energy
  17. gives electricity
  18. a toaster
  19. True
  20. light
  21. heat
  22. False
  23. an electric kettle
  24. False
  25. True
  26. light
  27. False
  28. uses electricity
  29. movement
  30. a night lamp
  31. an LED lamp
  32. heat
  33. a loudspeaker
  34. a tube light
  35. False
  36. a bicycle dynamo
  37. a ceiling fan
  38. False
  39. a torch
  40. a siren

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