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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. an electric iron
  2. a wind turbine
  3. uses electricity
  4. an LED lamp
  5. a ceiling fan
  6. heat
  7. sound
  8. light
  9. movement energy
  10. heat
  11. a torch
  12. a computer
  13. False
  14. a tube light
  15. a water pump
  16. movement energy
  17. a room heater
  18. electric current
  19. a bicycle dynamo
  20. False
  21. a torch
  22. a television
  23. light energy
  24. electrons
  25. gives electricity
  26. movement
  27. light
  28. True
  29. light
  30. a rice cooker
  31. heat
  32. uses electricity
  33. False
  34. a night lamp
  35. True
  36. uses electricity
  37. a washing machine
  38. a doorbell
  39. a mobile phone
  40. uses electricity

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