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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 985 · 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 doorbell mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  2. 2.True or false: an electric toy car mainly gives out light. (a) True (b) False
  3. 3.🔍 Which is the odd one out? (a) a table fan (b) an electric toy car (c) a mixer grinder (d) a tube light
  4. 4.🔍 Which is the odd one out? (a) an electric iron (b) a room heater (c) a night lamp (d) a water heater
  5. 5.🔍 Which is the odd one out? (a) a street light (b) a traffic signal (c) an LED lamp (d) a loudspeaker
  6. 6.Which of these uses electricity? (a) a solar panel (b) an air conditioner (c) a bicycle dynamo (d) a cell
  7. 7.⚡ What does a traffic signal mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  8. 8.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.Which of these mainly makes sound? (a) an electric drill (b) a mixer grinder (c) a school bell (d) a tube light
  10. 10.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  11. 11.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  12. 12.🔍 Which is the odd one out? (a) an LED lamp (b) a buzzer (c) a night lamp (d) a street light
  13. 13.🔍 Which is the odd one out? (a) a street light (b) an electric iron (c) a traffic signal (d) a night lamp
  14. 14.⚡ What does a tube light mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  15. 15.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  16. 16.True or false: a mixer grinder mainly makes sound. (a) False (b) True
  17. 17.Which of these mainly makes sound? (a) an LED lamp (b) a toaster (c) an electric iron (d) a loudspeaker
  18. 18.True or false: a toaster mainly gives out light. (a) False (b) True
  19. 19.Which of these uses electricity? (a) a generator (b) a solar panel (c) a cell (d) a mobile phone
  20. 20.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) electrical energy (d) nuclear energy
  21. 21.⚡ What does a torch mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  22. 22.Which of these mainly makes sound? (a) a buzzer (b) a street light (c) a table fan (d) a rice cooker
  23. 23.🔍 Which is the odd one out? (a) a doorbell (b) a ceiling fan (c) an electric drill (d) a mixer grinder
  24. 24.Which of these uses electricity? (a) a generator (b) a battery (c) a computer (d) a wind turbine
  25. 25.True or false: an LED lamp mainly makes sound. (a) False (b) True
  26. 26.Which of these mainly gives out light? (a) a doorbell (b) an electric iron (c) a buzzer (d) a torch
  27. 27.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.Which of these gives us electricity? (a) a computer (b) a refrigerator (c) a wind turbine (d) an air conditioner
  29. 29.🔍 Which is the odd one out? (a) a school bell (b) a buzzer (c) a loudspeaker (d) a table fan
  30. 30.Which of these mainly gives out light? (a) an electric kettle (b) a siren (c) an exhaust fan (d) a street light
  31. 31.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  32. 32.Which of these mainly makes sound? (a) a traffic signal (b) an exhaust fan (c) a doorbell (d) an electric iron
  33. 33.True or false: an exhaust fan mainly gives out heat. (a) False (b) True
  34. 34.⚡ What does a street light mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  35. 35.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.Which of these gives us electricity? (a) a mobile phone (b) a battery (c) a television (d) a water pump
  37. 37.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  38. 38.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  39. 39.Which of these mainly gives out heat? (a) an exhaust fan (b) a water heater (c) a school bell (d) a doorbell
  40. 40.True or false: a school bell mainly gives out heat. (a) True (b) False

Answer key

  1. sound
  2. False
  3. a tube light
  4. a night lamp
  5. a loudspeaker
  6. an air conditioner
  7. light
  8. gives electricity
  9. a school bell
  10. uses electricity
  11. electric current
  12. a buzzer
  13. an electric iron
  14. light
  15. heat
  16. False
  17. a loudspeaker
  18. False
  19. a mobile phone
  20. electrical energy
  21. light
  22. a buzzer
  23. a doorbell
  24. a computer
  25. False
  26. a torch
  27. uses electricity
  28. a wind turbine
  29. a table fan
  30. a street light
  31. sound
  32. a doorbell
  33. False
  34. light
  35. gives electricity
  36. a battery
  37. True
  38. movement
  39. a water heater
  40. False

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