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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 498 · 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 school bell mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  2. 2.⚡ What does an electric drill mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  3. 3.Which of these mainly makes movement? (a) an LED lamp (b) an electric iron (c) a siren (d) a table fan
  4. 4.⚡ What does a tube light mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  5. 5.Which of these uses electricity? (a) a cell (b) a computer (c) a generator (d) a solar panel
  6. 6.Which of these mainly gives out heat? (a) a ceiling fan (b) a tube light (c) a rice cooker (d) a torch
  7. 7.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  9. 9.Which of these mainly makes sound? (a) a rice cooker (b) a street light (c) a toaster (d) a siren
  10. 10.True or false: an LED lamp mainly makes movement. (a) True (b) False
  11. 11.Which of these gives us electricity? (a) a computer (b) an air conditioner (c) a cell (d) a refrigerator
  12. 12.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  13. 13.Which of these mainly makes sound? (a) a ceiling fan (b) a doorbell (c) a night lamp (d) a torch
  14. 14.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.🔍 Which is the odd one out? (a) an exhaust fan (b) a table fan (c) a room heater (d) a mixer grinder
  16. 16.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  17. 17.Which of these mainly makes sound? (a) a loudspeaker (b) a table fan (c) a mixer grinder (d) an exhaust fan
  18. 18.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) friction (d) sound
  19. 19.🔍 Which is the odd one out? (a) a doorbell (b) a buzzer (c) a school bell (d) a ceiling fan
  20. 20.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) photons (d) electrons
  21. 21.Which of these mainly gives out light? (a) a room heater (b) an electric drill (c) a siren (d) a traffic signal
  22. 22.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) wind energy (d) nuclear energy
  23. 23.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.Which of these mainly makes movement? (a) a mixer grinder (b) a siren (c) a school bell (d) a traffic signal
  25. 25.⚡ What does an electric toy car mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  26. 26.🔍 Which is the odd one out? (a) a ceiling fan (b) an exhaust fan (c) an electric kettle (d) a table fan
  27. 27.True or false: a traffic signal mainly gives out light. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) an LED lamp (d) a doorbell
  29. 29.🔍 Which is the odd one out? (a) a ceiling fan (b) an exhaust fan (c) an electric iron (d) a table fan
  30. 30.Which of these gives us electricity? (a) a solar panel (b) a computer (c) a washing machine (d) a refrigerator
  31. 31.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) wind energy
  32. 32.🔍 Which is the odd one out? (a) a loudspeaker (b) a siren (c) an exhaust fan (d) a school bell
  33. 33.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.⚡ What does a siren mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  35. 35.Which of these mainly gives out heat? (a) a doorbell (b) a loudspeaker (c) an LED lamp (d) a room heater
  36. 36.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) light energy (c) movement energy (d) sound energy
  37. 37.Which of these gives us electricity? (a) a television (b) a bicycle dynamo (c) a water pump (d) a computer
  38. 38.🔍 Which is the odd one out? (a) a tube light (b) a buzzer (c) a traffic signal (d) a street light
  39. 39.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.True or false: an LED lamp mainly gives out light. (a) False (b) True

Answer key

  1. sound
  2. movement
  3. a table fan
  4. light
  5. a computer
  6. a rice cooker
  7. uses electricity
  8. movement energy
  9. a siren
  10. False
  11. a cell
  12. heat
  13. a doorbell
  14. gives electricity
  15. a room heater
  16. movement
  17. a loudspeaker
  18. electric current
  19. a ceiling fan
  20. electrons
  21. a traffic signal
  22. electrical energy
  23. gives electricity
  24. a mixer grinder
  25. movement
  26. an electric kettle
  27. True
  28. a doorbell
  29. an electric iron
  30. a solar panel
  31. light energy
  32. an exhaust fan
  33. uses electricity
  34. sound
  35. a room heater
  36. movement energy
  37. a bicycle dynamo
  38. a buzzer
  39. uses electricity
  40. True

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