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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 130 · 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.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  2. 2.Which of these mainly gives out light? (a) a torch (b) a mixer grinder (c) a room heater (d) a buzzer
  3. 3.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  4. 4.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  5. 5.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.Which of these mainly gives out heat? (a) a doorbell (b) a ceiling fan (c) an electric drill (d) a water heater
  7. 7.Which of these uses electricity? (a) a refrigerator (b) a wind turbine (c) a generator (d) a bicycle dynamo
  8. 8.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  9. 9.Which of these mainly makes movement? (a) a rice cooker (b) a school bell (c) a ceiling fan (d) a street light
  10. 10.Which of these gives us electricity? (a) a mobile phone (b) a wind turbine (c) a television (d) a refrigerator
  11. 11.⚡ What does a street light mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  12. 12.🔍 Which is the odd one out? (a) a room heater (b) a ceiling fan (c) an electric toy car (d) an electric drill
  13. 13.Which of these gives us electricity? (a) a mobile phone (b) a battery (c) a water pump (d) a refrigerator
  14. 14.Which of these uses electricity? (a) a bicycle dynamo (b) a power station (c) a solar panel (d) a computer
  15. 15.Which of these mainly makes sound? (a) a traffic signal (b) a street light (c) a tube light (d) a loudspeaker
  16. 16.🔍 Which is the odd one out? (a) a doorbell (b) a school bell (c) a ceiling fan (d) a loudspeaker
  17. 17.Which of these uses electricity? (a) a bicycle dynamo (b) a cell (c) an air conditioner (d) a solar panel
  18. 18.🔍 Which is the odd one out? (a) a toaster (b) an electric toy car (c) a table fan (d) an electric drill
  19. 19.Which of these mainly gives out light? (a) a loudspeaker (b) a traffic signal (c) a mixer grinder (d) a water heater
  20. 20.True or false: a torch mainly makes sound. (a) False (b) True
  21. 21.⚡ What does a school bell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  22. 22.Which of these mainly makes movement? (a) a torch (b) a street light (c) an electric drill (d) a school bell
  23. 23.Which of these mainly gives out heat? (a) an electric iron (b) an electric drill (c) an LED lamp (d) a siren
  24. 24.True or false: a room heater mainly gives out heat. (a) False (b) True
  25. 25.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) electric current (d) friction
  26. 26.Which of these mainly gives out light? (a) a ceiling fan (b) an LED lamp (c) a school bell (d) an electric kettle
  27. 27.True or false: an LED lamp mainly gives out heat. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) a buzzer (b) a school bell (c) an electric kettle (d) a doorbell
  29. 29.True or false: a street light mainly gives out light. (a) True (b) False
  30. 30.Which of these gives us electricity? (a) a water pump (b) a generator (c) a television (d) a computer
  31. 31.⚡ What does a table fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  32. 32.🔍 Which is the odd one out? (a) a water heater (b) a night lamp (c) a tube light (d) a traffic signal
  33. 33.⚡ What does a room heater mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  34. 34.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.Which of these mainly makes sound? (a) a mixer grinder (b) a night lamp (c) a tube light (d) a siren
  37. 37.Which of these mainly makes sound? (a) an electric drill (b) an LED lamp (c) a mixer grinder (d) a school bell
  38. 38.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.Which of these mainly makes sound? (a) a tube light (b) an LED lamp (c) a doorbell (d) a torch
  40. 40.Which of these mainly makes sound? (a) a buzzer (b) an electric kettle (c) a room heater (d) an exhaust fan

Answer key

  1. movement energy
  2. a torch
  3. heat
  4. movement energy
  5. gives electricity
  6. a water heater
  7. a refrigerator
  8. electrons
  9. a ceiling fan
  10. a wind turbine
  11. light
  12. a room heater
  13. a battery
  14. a computer
  15. a loudspeaker
  16. a ceiling fan
  17. an air conditioner
  18. a toaster
  19. a traffic signal
  20. False
  21. sound
  22. an electric drill
  23. an electric iron
  24. True
  25. electric current
  26. an LED lamp
  27. False
  28. an electric kettle
  29. True
  30. a generator
  31. movement
  32. a water heater
  33. heat
  34. gives electricity
  35. uses electricity
  36. a siren
  37. a school bell
  38. uses electricity
  39. a doorbell
  40. a buzzer

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