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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 309 · 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.Which of these mainly gives out light? (a) a table fan (b) a mixer grinder (c) an electric kettle (d) a night lamp
  2. 2.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) photons (d) water drops
  3. 3.🔍 Which is the odd one out? (a) a torch (b) a water heater (c) an electric iron (d) a room heater
  4. 4.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) sound (d) friction
  5. 5.Which of these mainly gives out heat? (a) an electric toy car (b) a doorbell (c) a traffic signal (d) an electric iron
  6. 6.Which of these gives us electricity? (a) a wind turbine (b) a television (c) an air conditioner (d) a mobile phone
  7. 7.⚡ What does an electric toy car mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  8. 8.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) chemical energy (c) light energy (d) movement energy
  9. 9.Which of these mainly makes movement? (a) a loudspeaker (b) a street light (c) an exhaust fan (d) a traffic signal
  10. 10.True or false: a school bell mainly makes sound. (a) True (b) False
  11. 11.Which of these mainly gives out heat? (a) a traffic signal (b) a doorbell (c) a rice cooker (d) a ceiling fan
  12. 12.🔍 Which is the odd one out? (a) a torch (b) an electric iron (c) an LED lamp (d) a street light
  13. 13.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  14. 14.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.🔍 Which is the odd one out? (a) a school bell (b) a water heater (c) a rice cooker (d) an electric kettle
  16. 16.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.Which of these mainly gives out heat? (a) an exhaust fan (b) a loudspeaker (c) an LED lamp (d) a toaster
  18. 18.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) sound energy (c) wind energy (d) chemical energy
  19. 19.⚡ What does a street light mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  20. 20.Which of these mainly gives out heat? (a) a mixer grinder (b) a water heater (c) a tube light (d) a school bell
  21. 21.Which of these mainly makes sound? (a) a doorbell (b) an electric toy car (c) a traffic signal (d) a room heater
  22. 22.⚡ What does a doorbell mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  23. 23.Which of these uses electricity? (a) a wind turbine (b) a refrigerator (c) a cell (d) a power station
  24. 24.⚡ What does a siren mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  25. 25.⚡ What does a room heater mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  26. 26.True or false: a siren mainly gives out light. (a) True (b) False
  27. 27.Which of these mainly makes movement? (a) an electric iron (b) a loudspeaker (c) a mixer grinder (d) a room heater
  28. 28.🔍 Which is the odd one out? (a) a rice cooker (b) an exhaust fan (c) an electric iron (d) a water heater
  29. 29.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.⚡ What does an electric drill mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  31. 31.⚡ What does a table fan mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  32. 32.Which of these mainly makes sound? (a) a siren (b) a rice cooker (c) a street light (d) a water heater
  33. 33.🔍 Which is the odd one out? (a) a room heater (b) an electric iron (c) an electric kettle (d) a tube light
  34. 34.Which of these mainly makes movement? (a) a school bell (b) a water heater (c) a doorbell (d) a ceiling fan
  35. 35.True or false: a torch mainly makes movement. (a) False (b) True
  36. 36.⚡ What does a tube light mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  37. 37.Which of these mainly makes movement? (a) a school bell (b) a rice cooker (c) a night lamp (d) an electric toy car
  38. 38.⚡ What does a school bell mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  39. 39.Which of these mainly gives out light? (a) an electric iron (b) a street light (c) an electric kettle (d) a mixer grinder
  40. 40.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

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

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