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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 134 · 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 torch mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  2. 2.🔍 Which is the odd one out? (a) an LED lamp (b) an electric iron (c) a tube light (d) a traffic signal
  3. 3.Which of these mainly gives out light? (a) a ceiling fan (b) a torch (c) a siren (d) an electric kettle
  4. 4.Which of these uses electricity? (a) a cell (b) a computer (c) a battery (d) a wind turbine
  5. 5.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) a magnet (d) electric current
  6. 6.True or false: a water heater mainly makes sound. (a) True (b) False
  7. 7.⚡ What does a buzzer mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  8. 8.🔍 Which is the odd one out? (a) a water heater (b) an electric iron (c) a ceiling fan (d) a toaster
  9. 9.Which of these gives us electricity? (a) an air conditioner (b) a solar panel (c) a water pump (d) a mobile phone
  10. 10.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  11. 11.⚡ What does a school bell mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  12. 12.True or false: an exhaust fan mainly gives out light. (a) False (b) True
  13. 13.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  14. 14.🔍 Which is the odd one out? (a) a tube light (b) a room heater (c) a rice cooker (d) an electric iron
  15. 15.⚡ What does a rice cooker mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  16. 16.Which of these mainly gives out heat? (a) a tube light (b) a table fan (c) a toaster (d) a torch
  17. 17.Which of these gives us electricity? (a) a mobile phone (b) a television (c) a washing machine (d) a wind turbine
  18. 18.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  19. 19.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a loudspeaker (d) a night lamp
  20. 20.True or false: a tube light mainly gives out light. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) a school bell (b) a room heater (c) a rice cooker (d) a toaster
  22. 22.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) sound energy (d) chemical energy
  23. 23.⚡ What does a tube light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  24. 24.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.🔍 Which is the odd one out? (a) a tube light (b) a street light (c) a torch (d) a room heater
  26. 26.Which of these gives us electricity? (a) a refrigerator (b) a cell (c) a washing machine (d) an air conditioner
  27. 27.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.True or false: a table fan mainly gives out heat. (a) False (b) True
  29. 29.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) nuclear energy (c) wind energy (d) electrical energy
  30. 30.⚡ What does an LED lamp mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  31. 31.Which of these mainly makes sound? (a) a doorbell (b) an LED lamp (c) a night lamp (d) a toaster
  32. 32.🔍 Which is the odd one out? (a) a doorbell (b) a torch (c) a traffic signal (d) a street light
  33. 33.Which of these mainly makes movement? (a) a room heater (b) an electric toy car (c) a buzzer (d) a torch
  34. 34.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.🔍 Which is the odd one out? (a) a traffic signal (b) a water heater (c) an electric kettle (d) an electric iron
  36. 36.⚡ What does a table fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  37. 37.True or false: a tube light mainly makes sound. (a) True (b) False
  38. 38.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  39. 39.Which of these uses electricity? (a) a solar panel (b) a battery (c) a bicycle dynamo (d) a mobile phone
  40. 40.🔍 Which is the odd one out? (a) a ceiling fan (b) a siren (c) an electric drill (d) an electric toy car

Answer key

  1. light
  2. an electric iron
  3. a torch
  4. a computer
  5. electric current
  6. False
  7. sound
  8. a ceiling fan
  9. a solar panel
  10. light
  11. sound
  12. False
  13. movement energy
  14. a tube light
  15. heat
  16. a toaster
  17. a wind turbine
  18. electrons
  19. a night lamp
  20. True
  21. a school bell
  22. light energy
  23. light
  24. uses electricity
  25. a room heater
  26. a cell
  27. gives electricity
  28. False
  29. electrical energy
  30. light
  31. a doorbell
  32. a doorbell
  33. an electric toy car
  34. uses electricity
  35. a traffic signal
  36. movement
  37. False
  38. sound
  39. a mobile phone
  40. a siren

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