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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 759 · 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.True or false: a rice cooker mainly gives out light. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) a night lamp (b) a ceiling fan (c) a mixer grinder (d) an electric drill
  3. 3.Which of these mainly makes sound? (a) an LED lamp (b) a siren (c) a rice cooker (d) an electric kettle
  4. 4.True or false: an electric toy car mainly gives out heat. (a) True (b) False
  5. 5.Which of these mainly gives out heat? (a) a school bell (b) an electric toy car (c) a street light (d) an electric kettle
  6. 6.🔍 Which is the odd one out? (a) a torch (b) a tube light (c) an electric kettle (d) an LED lamp
  7. 7.Which of these gives us electricity? (a) a television (b) a wind turbine (c) an air conditioner (d) a computer
  8. 8.⚡ What does a room heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  9. 9.⚡ What does an exhaust fan mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  10. 10.⚡ What does a street light mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  11. 11.🔍 Which is the odd one out? (a) a loudspeaker (b) a ceiling fan (c) a school bell (d) a doorbell
  12. 12.⚡ What does a tube light mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  13. 13.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  14. 14.⚡ What does a table fan mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  15. 15.🔍 Which is the odd one out? (a) a water heater (b) a torch (c) a rice cooker (d) a room heater
  16. 16.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.🔍 Which is the odd one out? (a) an electric iron (b) a rice cooker (c) an electric kettle (d) a buzzer
  19. 19.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.Which of these mainly makes sound? (a) a torch (b) a tube light (c) an electric kettle (d) a loudspeaker
  21. 21.Which of these mainly gives out light? (a) a toaster (b) a tube light (c) a ceiling fan (d) a school bell
  22. 22.True or false: a school bell mainly makes sound. (a) True (b) False
  23. 23.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  24. 24.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  25. 25.⚡ What does a rice cooker mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  26. 26.Which of these mainly gives out heat? (a) an LED lamp (b) a school bell (c) an electric iron (d) a mixer grinder
  27. 27.Which of these mainly gives out light? (a) a water heater (b) a room heater (c) an exhaust fan (d) a street light
  28. 28.Which of these gives us electricity? (a) a washing machine (b) a solar panel (c) a television (d) an air conditioner
  29. 29.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) nuclear energy (c) electrical energy (d) wind energy
  30. 30.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) electric current (d) friction
  31. 31.Which of these gives us electricity? (a) a bicycle dynamo (b) a computer (c) a television (d) an air conditioner
  32. 32.Which of these mainly makes movement? (a) an electric kettle (b) a torch (c) a mixer grinder (d) a street light
  33. 33.🔍 Which is the odd one out? (a) an LED lamp (b) a tube light (c) a torch (d) a toaster
  34. 34.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric toy car (c) a mixer grinder (d) a rice cooker
  35. 35.Which of these mainly gives out heat? (a) a room heater (b) a tube light (c) a night lamp (d) a loudspeaker
  36. 36.🔍 Which is the odd one out? (a) a loudspeaker (b) an electric iron (c) a doorbell (d) a school bell
  37. 37.Which of these gives us electricity? (a) a television (b) a cell (c) an air conditioner (d) a washing machine
  38. 38.Which of these mainly gives out light? (a) a mixer grinder (b) an exhaust fan (c) a torch (d) a buzzer
  39. 39.Which of these mainly makes movement? (a) an electric iron (b) a traffic signal (c) a water heater (d) a ceiling fan
  40. 40.True or false: a torch mainly gives out light. (a) False (b) True

Answer key

  1. False
  2. a night lamp
  3. a siren
  4. False
  5. an electric kettle
  6. an electric kettle
  7. a wind turbine
  8. heat
  9. movement
  10. light
  11. a ceiling fan
  12. light
  13. light energy
  14. movement
  15. a torch
  16. gives electricity
  17. gives electricity
  18. a buzzer
  19. gives electricity
  20. a loudspeaker
  21. a tube light
  22. True
  23. movement energy
  24. light
  25. heat
  26. an electric iron
  27. a street light
  28. a solar panel
  29. electrical energy
  30. electric current
  31. a bicycle dynamo
  32. a mixer grinder
  33. a toaster
  34. a rice cooker
  35. a room heater
  36. an electric iron
  37. a cell
  38. a torch
  39. a ceiling fan
  40. True

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