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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 462 · 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 gives us electricity? (a) a refrigerator (b) a television (c) a water pump (d) a battery
  2. 2.⚡ What does a school bell mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  3. 3.⚡ What does a ceiling fan mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  4. 4.Which of these uses electricity? (a) a wind turbine (b) a cell (c) a water pump (d) a battery
  5. 5.🔍 Which is the odd one out? (a) an electric drill (b) a ceiling fan (c) a toaster (d) a mixer grinder
  6. 6.Which of these mainly makes sound? (a) a torch (b) a loudspeaker (c) a mixer grinder (d) an electric toy car
  7. 7.⚡ What does a night lamp mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  8. 8.True or false: an electric kettle mainly makes sound. (a) False (b) True
  9. 9.True or false: a tube light mainly makes movement. (a) True (b) False
  10. 10.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) movement energy (d) chemical energy
  11. 11.True or false: a street light mainly gives out heat. (a) True (b) False
  12. 12.Which of these mainly gives out heat? (a) a table fan (b) a loudspeaker (c) a water heater (d) an electric toy car
  13. 13.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.Which of these mainly gives out light? (a) a mixer grinder (b) a buzzer (c) a siren (d) an LED lamp
  16. 16.🔍 Which is the odd one out? (a) a torch (b) a table fan (c) a street light (d) a night lamp
  17. 17.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) electrical energy (d) nuclear energy
  18. 18.⚡ What does a toaster mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  19. 19.True or false: a buzzer mainly makes sound. (a) True (b) False
  20. 20.Which of these mainly gives out heat? (a) an electric iron (b) a traffic signal (c) a school bell (d) a torch
  21. 21.True or false: a school bell mainly makes movement. (a) False (b) True
  22. 22.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) sound (d) electric current
  24. 24.⚡ What does an electric kettle mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  25. 25.🔍 Which is the odd one out? (a) a ceiling fan (b) a tube light (c) a table fan (d) an electric drill
  26. 26.True or false: a street light mainly gives out light. (a) True (b) False
  27. 27.Which of these mainly makes movement? (a) an LED lamp (b) a doorbell (c) a room heater (d) an exhaust fan
  28. 28.Which of these mainly makes sound? (a) a night lamp (b) a mixer grinder (c) a siren (d) a ceiling fan
  29. 29.🔍 Which is the odd one out? (a) a water heater (b) a torch (c) an electric iron (d) a toaster
  30. 30.Which of these mainly gives out light? (a) a doorbell (b) an electric kettle (c) a school bell (d) a night lamp
  31. 31.Which of these mainly gives out heat? (a) a mixer grinder (b) a torch (c) an electric toy car (d) an electric kettle
  32. 32.⚡ What does an exhaust fan mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  33. 33.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  34. 34.True or false: an electric iron mainly gives out light. (a) True (b) False
  35. 35.⚡ What does a water heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  36. 36.Which of these mainly gives out heat? (a) a torch (b) a table fan (c) a toaster (d) a siren
  37. 37.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  38. 38.⚡ What does an electric iron mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  39. 39.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) wind energy
  40. 40.Which of these mainly makes movement? (a) a rice cooker (b) an electric kettle (c) a doorbell (d) an electric toy car

Answer key

  1. a battery
  2. sound
  3. movement
  4. a water pump
  5. a toaster
  6. a loudspeaker
  7. light
  8. False
  9. False
  10. movement energy
  11. False
  12. a water heater
  13. gives electricity
  14. gives electricity
  15. an LED lamp
  16. a table fan
  17. electrical energy
  18. heat
  19. True
  20. an electric iron
  21. False
  22. gives electricity
  23. electric current
  24. heat
  25. a tube light
  26. True
  27. an exhaust fan
  28. a siren
  29. a torch
  30. a night lamp
  31. an electric kettle
  32. movement
  33. False
  34. False
  35. heat
  36. a toaster
  37. movement energy
  38. heat
  39. light energy
  40. an electric toy car

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