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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 637 · 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.

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

Answer key

  1. a torch
  2. True
  3. movement energy
  4. uses electricity
  5. heat
  6. movement
  7. True
  8. a solar panel
  9. a loudspeaker
  10. an electric kettle
  11. an LED lamp
  12. movement energy
  13. light
  14. a toaster
  15. a television
  16. gives electricity
  17. electric current
  18. an LED lamp
  19. electrical energy
  20. a washing machine
  21. False
  22. a computer
  23. a night lamp
  24. an electric iron
  25. light
  26. a room heater
  27. gives electricity
  28. True
  29. False
  30. an electric drill
  31. a wind turbine
  32. True
  33. light
  34. an electric kettle
  35. a room heater
  36. a buzzer
  37. electrons
  38. a tube light
  39. uses electricity
  40. a doorbell

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