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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 784 · 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 cell changes stored chemical energy into which kind of energy? (a) wind energy (b) electrical energy (c) sound energy (d) nuclear energy
  2. 2.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  3. 3.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) light energy (c) movement energy (d) chemical energy
  4. 4.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.Which of these mainly gives out light? (a) a toaster (b) an electric kettle (c) a torch (d) an electric drill
  6. 6.True or false: an LED lamp mainly makes movement. (a) True (b) False
  7. 7.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.Which of these mainly gives out heat? (a) a rice cooker (b) a street light (c) a doorbell (d) a ceiling fan
  9. 9.🔍 Which is the odd one out? (a) a ceiling fan (b) an exhaust fan (c) a traffic signal (d) an electric drill
  10. 10.True or false: a street light mainly gives out light. (a) False (b) True
  11. 11.Which of these mainly gives out heat? (a) a night lamp (b) a water heater (c) a loudspeaker (d) an electric toy car
  12. 12.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  13. 13.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a water pump (d) a power station
  14. 14.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.Which of these mainly gives out light? (a) a loudspeaker (b) an exhaust fan (c) a street light (d) an electric kettle
  17. 17.⚡ What does a water heater mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  18. 18.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  20. 20.Which of these mainly makes movement? (a) an exhaust fan (b) a tube light (c) a room heater (d) an electric iron
  21. 21.Which of these mainly makes movement? (a) a torch (b) a siren (c) a doorbell (d) a ceiling fan
  22. 22.🔍 Which is the odd one out? (a) an electric kettle (b) a doorbell (c) a school bell (d) a buzzer
  23. 23.🔍 Which is the odd one out? (a) an electric toy car (b) a torch (c) a mixer grinder (d) a ceiling fan
  24. 24.True or false: an electric drill mainly gives out heat. (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) a tube light (b) a room heater (c) a torch (d) a traffic signal
  26. 26.⚡ What does a doorbell mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  27. 27.Which of these mainly gives out light? (a) a table fan (b) a traffic signal (c) a toaster (d) a room heater
  28. 28.Which of these uses electricity? (a) a generator (b) a power station (c) a wind turbine (d) a water pump
  29. 29.Which of these uses electricity? (a) a television (b) a power station (c) a cell (d) a bicycle dynamo
  30. 30.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  31. 31.True or false: a buzzer mainly makes sound. (a) False (b) True
  32. 32.Which of these mainly makes sound? (a) a tube light (b) a water heater (c) a night lamp (d) a buzzer
  33. 33.Which of these gives us electricity? (a) a cell (b) a washing machine (c) a refrigerator (d) a television
  34. 34.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) movement energy (d) chemical energy
  35. 35.True or false: a table fan mainly makes sound. (a) False (b) True
  36. 36.Which of these mainly makes sound? (a) a school bell (b) a tube light (c) a table fan (d) a street light
  37. 37.Which of these uses electricity? (a) a computer (b) a power station (c) a wind turbine (d) a generator
  38. 38.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  39. 39.⚡ What does an electric iron mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  40. 40.⚡ What does a torch mainly change electricity into? (a) sound (b) light (c) movement (d) heat

Answer key

  1. electrical energy
  2. False
  3. movement energy
  4. gives electricity
  5. a torch
  6. False
  7. uses electricity
  8. a rice cooker
  9. a traffic signal
  10. True
  11. a water heater
  12. light
  13. a power station
  14. uses electricity
  15. uses electricity
  16. a street light
  17. heat
  18. gives electricity
  19. movement
  20. an exhaust fan
  21. a ceiling fan
  22. an electric kettle
  23. a torch
  24. False
  25. a room heater
  26. sound
  27. a traffic signal
  28. a water pump
  29. a television
  30. electrons
  31. True
  32. a buzzer
  33. a cell
  34. movement energy
  35. False
  36. a school bell
  37. a computer
  38. movement
  39. heat
  40. light

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