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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 611 · 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.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  2. 2.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) electrons (c) dust particles (d) photons
  3. 3.Which of these uses electricity? (a) a generator (b) a computer (c) a solar panel (d) a wind turbine
  4. 4.True or false: a torch mainly gives out heat. (a) False (b) True
  5. 5.Which of these mainly makes movement? (a) a room heater (b) a siren (c) a rice cooker (d) an electric toy car
  6. 6.⚡ What does a room heater mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  7. 7.Which of these gives us electricity? (a) a cell (b) a computer (c) a mobile phone (d) an air conditioner
  8. 8.Which of these mainly gives out heat? (a) a mixer grinder (b) a rice cooker (c) a loudspeaker (d) a siren
  9. 9.Which of these mainly makes movement? (a) a ceiling fan (b) an LED lamp (c) a loudspeaker (d) a tube light
  10. 10.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) wind energy (d) light energy
  12. 12.⚡ What does a ceiling fan mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  13. 13.🔍 Which is the odd one out? (a) a street light (b) an LED lamp (c) a night lamp (d) a room heater
  14. 14.🔍 Which is the odd one out? (a) a night lamp (b) a traffic signal (c) a torch (d) an electric kettle
  15. 15.Which of these mainly gives out light? (a) a table fan (b) a street light (c) a buzzer (d) a ceiling fan
  16. 16.True or false: a table fan mainly makes movement. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a doorbell (d) a table fan
  18. 18.True or false: a room heater mainly makes sound. (a) True (b) False
  19. 19.True or false: a buzzer mainly makes sound. (a) False (b) True
  20. 20.🔍 Which is the odd one out? (a) a water heater (b) an electric iron (c) a rice cooker (d) a torch
  21. 21.True or false: an electric toy car mainly makes movement. (a) True (b) False
  22. 22.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) electrical energy (c) nuclear energy (d) sound energy
  23. 23.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  24. 24.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) movement energy (d) light energy
  25. 25.Which of these mainly makes movement? (a) a water heater (b) a toaster (c) a mixer grinder (d) a doorbell
  26. 26.Which of these uses electricity? (a) a generator (b) a power station (c) a bicycle dynamo (d) a mobile phone
  27. 27.True or false: a doorbell mainly makes sound. (a) True (b) False
  28. 28.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  29. 29.🔍 Which is the odd one out? (a) an exhaust fan (b) a mixer grinder (c) a tube light (d) a ceiling fan
  30. 30.⚡ What does an electric iron mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  31. 31.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a water pump (d) a wind turbine
  32. 32.Which of these mainly gives out light? (a) a buzzer (b) an electric kettle (c) an LED lamp (d) a water heater
  33. 33.⚡ What does a water heater mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  34. 34.Which of these mainly gives out light? (a) an exhaust fan (b) an electric kettle (c) a traffic signal (d) a water heater
  35. 35.🔍 Which is the odd one out? (a) an electric kettle (b) a traffic signal (c) a rice cooker (d) a room heater
  36. 36.Which of these uses electricity? (a) a refrigerator (b) a generator (c) a wind turbine (d) a solar panel
  37. 37.⚡ What does a table fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  38. 38.Which of these mainly gives out light? (a) a ceiling fan (b) a rice cooker (c) a night lamp (d) a doorbell
  39. 39.🔍 Which is the odd one out? (a) a street light (b) a school bell (c) a doorbell (d) a loudspeaker
  40. 40.Which of these gives us electricity? (a) a water pump (b) a television (c) a solar panel (d) a washing machine

Answer key

  1. movement energy
  2. electrons
  3. a computer
  4. False
  5. an electric toy car
  6. heat
  7. a cell
  8. a rice cooker
  9. a ceiling fan
  10. gives electricity
  11. light energy
  12. movement
  13. a room heater
  14. an electric kettle
  15. a street light
  16. True
  17. a table fan
  18. False
  19. True
  20. a torch
  21. True
  22. electrical energy
  23. gives electricity
  24. movement energy
  25. a mixer grinder
  26. a mobile phone
  27. True
  28. uses electricity
  29. a tube light
  30. heat
  31. a wind turbine
  32. an LED lamp
  33. heat
  34. a traffic signal
  35. a traffic signal
  36. a refrigerator
  37. movement
  38. a night lamp
  39. a street light
  40. a solar panel

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