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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 69 · 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 tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) electrons (d) water drops
  2. 2.True or false: an electric drill mainly makes movement. (a) False (b) True
  3. 3.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) electric current (d) a magnet
  4. 4.True or false: a table fan mainly makes movement. (a) False (b) True
  5. 5.Which of these mainly makes sound? (a) a buzzer (b) a torch (c) a tube light (d) an electric drill
  6. 6.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  7. 7.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) nuclear energy (d) sound energy
  8. 8.Which of these mainly makes sound? (a) a torch (b) a siren (c) an exhaust fan (d) a tube light
  9. 9.True or false: a traffic signal mainly makes movement. (a) False (b) True
  10. 10.⚡ What does a night lamp mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  11. 11.🔍 Which is the odd one out? (a) a traffic signal (b) a torch (c) a school bell (d) a tube light
  12. 12.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) a buzzer (d) a room heater
  13. 13.Which of these uses electricity? (a) a wind turbine (b) a battery (c) a computer (d) a cell
  14. 14.Which of these mainly makes movement? (a) a water heater (b) a loudspeaker (c) a siren (d) a mixer grinder
  15. 15.Which of these mainly gives out heat? (a) an exhaust fan (b) a water heater (c) a street light (d) a mixer grinder
  16. 16.🔍 Which is the odd one out? (a) an electric kettle (b) a room heater (c) a doorbell (d) a toaster
  17. 17.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  18. 18.True or false: a room heater mainly makes sound. (a) False (b) True
  19. 19.Which of these mainly makes movement? (a) a loudspeaker (b) a street light (c) a room heater (d) an electric drill
  20. 20.Which of these mainly gives out heat? (a) an electric drill (b) a rice cooker (c) a tube light (d) a mixer grinder
  21. 21.⚡ What does an electric toy car mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  22. 22.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  23. 23.Which of these uses electricity? (a) a battery (b) a cell (c) a bicycle dynamo (d) a mobile phone
  24. 24.True or false: a night lamp mainly makes movement. (a) True (b) False
  25. 25.⚡ What does a torch mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  26. 26.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) a television (d) a cell
  27. 27.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.⚡ What does a tube light mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  29. 29.True or false: a room heater mainly gives out light. (a) True (b) False
  30. 30.⚡ What does a room heater mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  31. 31.Which of these uses electricity? (a) a television (b) a wind turbine (c) a solar panel (d) a bicycle dynamo
  32. 32.Which of these gives us electricity? (a) an air conditioner (b) a power station (c) a mobile phone (d) a washing machine
  33. 33.Which of these uses electricity? (a) a water pump (b) a solar panel (c) a generator (d) a bicycle dynamo
  34. 34.⚡ What does an electric drill mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  35. 35.🔍 Which is the odd one out? (a) an electric toy car (b) a loudspeaker (c) a doorbell (d) a buzzer
  36. 36.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  37. 37.True or false: a torch mainly makes movement. (a) False (b) True
  38. 38.True or false: a room heater mainly gives out heat. (a) True (b) False
  39. 39.Which of these mainly gives out heat? (a) a loudspeaker (b) a doorbell (c) an electric iron (d) a mixer grinder
  40. 40.Which of these mainly gives out light? (a) a table fan (b) an LED lamp (c) an electric iron (d) an electric drill

Answer key

  1. electrons
  2. True
  3. electric current
  4. True
  5. a buzzer
  6. heat
  7. electrical energy
  8. a siren
  9. False
  10. light
  11. a school bell
  12. a room heater
  13. a computer
  14. a mixer grinder
  15. a water heater
  16. a doorbell
  17. True
  18. False
  19. an electric drill
  20. a rice cooker
  21. movement
  22. movement energy
  23. a mobile phone
  24. False
  25. light
  26. a cell
  27. uses electricity
  28. light
  29. False
  30. heat
  31. a television
  32. a power station
  33. a water pump
  34. movement
  35. an electric toy car
  36. movement energy
  37. False
  38. True
  39. an electric iron
  40. an LED lamp

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