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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 709 · 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 movement? (a) a toaster (b) a tube light (c) a night lamp (d) a ceiling fan
  2. 2.True or false: a traffic signal mainly gives out light. (a) False (b) True
  3. 3.Which of these mainly makes sound? (a) a ceiling fan (b) a night lamp (c) a mixer grinder (d) a school bell
  4. 4.🔍 Which is the odd one out? (a) an electric toy car (b) an electric drill (c) an electric kettle (d) an exhaust fan
  5. 5.Which of these uses electricity? (a) a bicycle dynamo (b) a wind turbine (c) a battery (d) a television
  6. 6.Which of these mainly gives out heat? (a) an electric toy car (b) a tube light (c) an electric iron (d) an exhaust fan
  7. 7.Which of these gives us electricity? (a) an air conditioner (b) a television (c) a power station (d) a computer
  8. 8.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.🔍 Which is the odd one out? (a) a rice cooker (b) a room heater (c) an LED lamp (d) a toaster
  10. 10.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.Which of these mainly gives out heat? (a) a ceiling fan (b) a doorbell (c) an exhaust fan (d) a rice cooker
  12. 12.Which of these uses electricity? (a) a power station (b) a water pump (c) a generator (d) a solar panel
  13. 13.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  14. 14.🔍 Which is the odd one out? (a) an LED lamp (b) a traffic signal (c) a tube light (d) a toaster
  15. 15.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  16. 16.True or false: a siren mainly makes sound. (a) False (b) True
  17. 17.Which of these mainly makes sound? (a) a doorbell (b) a ceiling fan (c) a tube light (d) a night lamp
  18. 18.🔍 Which is the odd one out? (a) a buzzer (b) a school bell (c) a siren (d) an exhaust fan
  19. 19.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  20. 20.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) wind energy (c) sound energy (d) chemical energy
  21. 21.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) a magnet (d) electric current
  22. 22.Which of these uses electricity? (a) a cell (b) a solar panel (c) a mobile phone (d) a wind turbine
  23. 23.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  24. 24.Which of these mainly gives out light? (a) a tube light (b) a room heater (c) an electric iron (d) a rice cooker
  25. 25.True or false: a loudspeaker mainly gives out light. (a) True (b) False
  26. 26.Which of these uses electricity? (a) a computer (b) a bicycle dynamo (c) a generator (d) a solar panel
  27. 27.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric drill (c) a table fan (d) a torch
  28. 28.Which of these mainly makes sound? (a) an electric kettle (b) an exhaust fan (c) an electric drill (d) a loudspeaker
  29. 29.True or false: a traffic signal mainly makes sound. (a) True (b) False
  30. 30.🔍 Which is the odd one out? (a) a mixer grinder (b) a ceiling fan (c) an electric drill (d) a school bell
  31. 31.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) dust particles (d) electrons
  32. 32.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  34. 34.⚡ What does an electric iron mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  35. 35.⚡ What does a ceiling fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  36. 36.⚡ What does an electric drill mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  37. 37.Which of these uses electricity? (a) a bicycle dynamo (b) a power station (c) a solar panel (d) an air conditioner
  38. 38.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  39. 39.Which of these gives us electricity? (a) a refrigerator (b) an air conditioner (c) a mobile phone (d) a cell
  40. 40.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric drill (c) a table fan (d) a rice cooker

Answer key

  1. a ceiling fan
  2. True
  3. a school bell
  4. an electric kettle
  5. a television
  6. an electric iron
  7. a power station
  8. gives electricity
  9. an LED lamp
  10. uses electricity
  11. a rice cooker
  12. a water pump
  13. movement
  14. a toaster
  15. sound
  16. True
  17. a doorbell
  18. an exhaust fan
  19. True
  20. light energy
  21. electric current
  22. a mobile phone
  23. movement energy
  24. a tube light
  25. False
  26. a computer
  27. a torch
  28. a loudspeaker
  29. False
  30. a school bell
  31. electrons
  32. gives electricity
  33. uses electricity
  34. heat
  35. movement
  36. movement
  37. an air conditioner
  38. light
  39. a cell
  40. a rice cooker

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