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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 474 · 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.True or false: an LED lamp mainly gives out heat. (a) True (b) False
  2. 2.Which of these mainly makes sound? (a) an exhaust fan (b) a room heater (c) an electric kettle (d) a buzzer
  3. 3.Which of these uses electricity? (a) a cell (b) a refrigerator (c) a wind turbine (d) a battery
  4. 4.🔍 Which is the odd one out? (a) a ceiling fan (b) a toaster (c) a room heater (d) a rice cooker
  5. 5.True or false: a table fan mainly makes movement. (a) True (b) False
  6. 6.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  10. 10.⚡ What does a toaster mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  11. 11.True or false: an electric toy car mainly makes movement. (a) False (b) True
  12. 12.Which of these mainly gives out heat? (a) a doorbell (b) an electric iron (c) a night lamp (d) a buzzer
  13. 13.⚡ What does a doorbell mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  14. 14.Which of these mainly gives out light? (a) a buzzer (b) an electric iron (c) a loudspeaker (d) an LED lamp
  15. 15.🔍 Which is the odd one out? (a) a table fan (b) a traffic signal (c) an electric toy car (d) a mixer grinder
  16. 16.True or false: an electric toy car mainly gives out heat. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) an electric kettle (b) an LED lamp (c) a tube light (d) a torch
  18. 18.🔍 Which is the odd one out? (a) a loudspeaker (b) a table fan (c) an electric toy car (d) a ceiling fan
  19. 19.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) a night lamp (d) an electric toy car
  20. 20.⚡ What does a torch mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  21. 21.⚡ What does an electric drill mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  22. 22.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  23. 23.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) a magnet (d) electric current
  25. 25.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) wind energy (d) nuclear energy
  26. 26.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  27. 27.True or false: an electric iron mainly gives out heat. (a) True (b) False
  28. 28.Which of these mainly makes sound? (a) a siren (b) an electric kettle (c) a night lamp (d) a torch
  29. 29.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  31. 31.True or false: a rice cooker mainly gives out heat. (a) True (b) False
  32. 32.Which of these mainly gives out heat? (a) a water heater (b) a tube light (c) an electric toy car (d) a siren
  33. 33.True or false: a room heater mainly makes sound. (a) False (b) True
  34. 34.Which of these gives us electricity? (a) a television (b) a refrigerator (c) a washing machine (d) a solar panel
  35. 35.Which of these mainly makes sound? (a) a school bell (b) a rice cooker (c) an electric iron (d) an electric toy car
  36. 36.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.Which of these mainly makes movement? (a) a siren (b) a ceiling fan (c) a night lamp (d) a torch
  38. 38.True or false: a table fan mainly makes sound. (a) False (b) True
  39. 39.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  40. 40.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) dust particles (d) photons

Answer key

  1. False
  2. a buzzer
  3. a refrigerator
  4. a ceiling fan
  5. True
  6. uses electricity
  7. uses electricity
  8. gives electricity
  9. light
  10. heat
  11. True
  12. an electric iron
  13. sound
  14. an LED lamp
  15. a traffic signal
  16. False
  17. an electric kettle
  18. a loudspeaker
  19. an electric toy car
  20. light
  21. movement
  22. gives electricity
  23. uses electricity
  24. electric current
  25. electrical energy
  26. sound
  27. True
  28. a siren
  29. gives electricity
  30. light
  31. True
  32. a water heater
  33. False
  34. a solar panel
  35. a school bell
  36. uses electricity
  37. a ceiling fan
  38. False
  39. light
  40. electrons

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