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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 713 · 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 uses electricity? (a) a washing machine (b) a cell (c) a power station (d) a battery
  2. 2.True or false: an electric toy car mainly makes movement. (a) False (b) True
  3. 3.⚡ What does a tube light mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  4. 4.🔍 Which is the odd one out? (a) an exhaust fan (b) a mixer grinder (c) a ceiling fan (d) a night lamp
  5. 5.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  6. 6.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  7. 7.Which of these mainly gives out light? (a) a table fan (b) a night lamp (c) a room heater (d) a ceiling fan
  8. 8.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  9. 9.Which of these mainly gives out heat? (a) an electric iron (b) a torch (c) a siren (d) a ceiling fan
  10. 10.Which of these gives us electricity? (a) a computer (b) a mobile phone (c) a solar panel (d) a refrigerator
  11. 11.🔍 Which is the odd one out? (a) an electric toy car (b) a table fan (c) a torch (d) an electric drill
  12. 12.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  13. 13.Which of these gives us electricity? (a) a washing machine (b) a television (c) a bicycle dynamo (d) a refrigerator
  14. 14.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) movement energy (c) light energy (d) sound energy
  15. 15.🔍 Which is the odd one out? (a) a night lamp (b) a street light (c) a torch (d) a table fan
  16. 16.True or false: a doorbell mainly gives out heat. (a) False (b) True
  17. 17.⚡ What does a school bell mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  18. 18.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.⚡ What does a siren mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  20. 20.Which of these gives us electricity? (a) a television (b) an air conditioner (c) a power station (d) a refrigerator
  21. 21.True or false: a street light mainly gives out heat. (a) True (b) False
  22. 22.🔍 Which is the odd one out? (a) an electric iron (b) a rice cooker (c) a siren (d) a toaster
  23. 23.True or false: a toaster mainly gives out light. (a) False (b) True
  24. 24.True or false: a siren mainly makes movement. (a) False (b) True
  25. 25.Which of these mainly gives out heat? (a) an exhaust fan (b) a traffic signal (c) an LED lamp (d) a water heater
  26. 26.True or false: a tube light mainly makes movement. (a) False (b) True
  27. 27.Which of these uses electricity? (a) a battery (b) a wind turbine (c) a mobile phone (d) a bicycle dynamo
  28. 28.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  29. 29.Which of these uses electricity? (a) a power station (b) a computer (c) a cell (d) a bicycle dynamo
  30. 30.⚡ What does a doorbell mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  31. 31.⚡ What does a room heater mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  32. 32.Which of these mainly makes movement? (a) a table fan (b) a tube light (c) a night lamp (d) a water heater
  33. 33.Which of these mainly gives out light? (a) an electric toy car (b) a traffic signal (c) a water heater (d) a mixer grinder
  34. 34.🔍 Which is the odd one out? (a) a torch (b) a night lamp (c) a ceiling fan (d) a traffic signal
  35. 35.🔍 Which is the odd one out? (a) a water heater (b) a rice cooker (c) an electric kettle (d) a buzzer
  36. 36.⚡ What does a traffic signal mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  37. 37.🔍 Which is the odd one out? (a) a doorbell (b) a school bell (c) a loudspeaker (d) a water heater
  38. 38.True or false: a doorbell mainly makes movement. (a) True (b) False
  39. 39.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement

Answer key

  1. a washing machine
  2. True
  3. light
  4. a night lamp
  5. gives electricity
  6. heat
  7. a night lamp
  8. electric current
  9. an electric iron
  10. a solar panel
  11. a torch
  12. uses electricity
  13. a bicycle dynamo
  14. movement energy
  15. a table fan
  16. False
  17. sound
  18. gives electricity
  19. sound
  20. a power station
  21. False
  22. a siren
  23. False
  24. False
  25. a water heater
  26. False
  27. a mobile phone
  28. gives electricity
  29. a computer
  30. sound
  31. heat
  32. a table fan
  33. a traffic signal
  34. a ceiling fan
  35. a buzzer
  36. light
  37. a water heater
  38. False
  39. uses electricity
  40. movement

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