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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 244 · 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.Which of these mainly makes sound? (a) a school bell (b) an electric toy car (c) an electric kettle (d) a room heater
  2. 2.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  3. 3.Which of these mainly makes sound? (a) a torch (b) a siren (c) a table fan (d) an electric toy car
  4. 4.🔍 Which is the odd one out? (a) a doorbell (b) a toaster (c) an electric kettle (d) a room heater
  5. 5.Which of these gives us electricity? (a) a solar panel (b) a computer (c) an air conditioner (d) a television
  6. 6.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) electrons (d) water drops
  7. 7.Which of these gives us electricity? (a) a washing machine (b) an air conditioner (c) a cell (d) a mobile phone
  8. 8.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  9. 9.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.Which of these gives us electricity? (a) an air conditioner (b) a computer (c) a generator (d) a washing machine
  11. 11.⚡ What does a torch mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  12. 12.Which of these mainly gives out heat? (a) a tube light (b) a siren (c) a buzzer (d) a rice cooker
  13. 13.True or false: a tube light mainly gives out light. (a) False (b) True
  14. 14.Which of these mainly makes sound? (a) a loudspeaker (b) an LED lamp (c) a traffic signal (d) an electric kettle
  15. 15.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.Which of these mainly gives out light? (a) a mixer grinder (b) a street light (c) a siren (d) a ceiling fan
  17. 17.Which of these mainly gives out heat? (a) a table fan (b) an electric drill (c) a mixer grinder (d) a water heater
  18. 18.🔍 Which is the odd one out? (a) a water heater (b) an electric iron (c) a mixer grinder (d) a toaster
  19. 19.True or false: a buzzer mainly gives out light. (a) False (b) True
  20. 20.🔍 Which is the odd one out? (a) a toaster (b) a room heater (c) a loudspeaker (d) an electric iron
  21. 21.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) an electric kettle (d) a torch
  22. 22.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  23. 23.True or false: a torch mainly makes sound. (a) False (b) True
  24. 24.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) a television (d) a bicycle dynamo
  25. 25.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) sound energy (c) movement energy (d) chemical energy
  26. 26.🔍 Which is the odd one out? (a) a torch (b) an electric drill (c) a traffic signal (d) a night lamp
  27. 27.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  28. 28.🔍 Which is the odd one out? (a) a night lamp (b) an LED lamp (c) a tube light (d) an exhaust fan
  29. 29.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  30. 30.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.Which of these mainly gives out light? (a) an electric toy car (b) an exhaust fan (c) an electric kettle (d) an LED lamp
  32. 32.Which of these mainly makes movement? (a) a tube light (b) a street light (c) an exhaust fan (d) a water heater
  33. 33.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) sound energy (d) electrical energy
  34. 34.Which of these mainly gives out light? (a) a doorbell (b) a water heater (c) a torch (d) a siren
  35. 35.Which of these mainly gives out light? (a) a tube light (b) a siren (c) a room heater (d) a table fan
  36. 36.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.Which of these mainly gives out heat? (a) a night lamp (b) an electric iron (c) an electric toy car (d) an electric drill
  38. 38.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  39. 39.True or false: an electric kettle mainly makes sound. (a) False (b) True
  40. 40.Which of these gives us electricity? (a) a wind turbine (b) a mobile phone (c) an air conditioner (d) a refrigerator

Answer key

  1. a school bell
  2. True
  3. a siren
  4. a doorbell
  5. a solar panel
  6. electrons
  7. a cell
  8. light
  9. gives electricity
  10. a generator
  11. light
  12. a rice cooker
  13. True
  14. a loudspeaker
  15. gives electricity
  16. a street light
  17. a water heater
  18. a mixer grinder
  19. False
  20. a loudspeaker
  21. an electric kettle
  22. gives electricity
  23. False
  24. a bicycle dynamo
  25. movement energy
  26. an electric drill
  27. light
  28. an exhaust fan
  29. movement energy
  30. uses electricity
  31. an LED lamp
  32. an exhaust fan
  33. electrical energy
  34. a torch
  35. a tube light
  36. uses electricity
  37. an electric iron
  38. False
  39. False
  40. a wind turbine

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