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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 786 · 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 electric iron mainly gives out light. (a) True (b) False
  2. 2.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.Which of these mainly gives out heat? (a) a table fan (b) an LED lamp (c) a room heater (d) a street light
  4. 4.Which of these gives us electricity? (a) a television (b) a refrigerator (c) a cell (d) a washing machine
  5. 5.🔍 Which is the odd one out? (a) a table fan (b) an exhaust fan (c) an electric toy car (d) a rice cooker
  6. 6.Which of these mainly gives out heat? (a) a tube light (b) a table fan (c) an electric drill (d) an electric kettle
  7. 7.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.🔍 Which is the odd one out? (a) a water heater (b) an electric iron (c) a room heater (d) a buzzer
  9. 9.⚡ What does a room heater mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  10. 10.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.Which of these mainly makes sound? (a) a traffic signal (b) a mixer grinder (c) a tube light (d) a buzzer
  12. 12.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) chemical energy (d) sound energy
  13. 13.🔍 Which is the odd one out? (a) a loudspeaker (b) a room heater (c) a water heater (d) a rice cooker
  14. 14.⚡ What does a school bell mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  15. 15.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  16. 16.🔍 Which is the odd one out? (a) an electric iron (b) a siren (c) a loudspeaker (d) a school bell
  17. 17.🔍 Which is the odd one out? (a) a toaster (b) a torch (c) a water heater (d) an electric kettle
  18. 18.Which of these uses electricity? (a) a wind turbine (b) a solar panel (c) a power station (d) a mobile phone
  19. 19.⚡ What does a torch mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  20. 20.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) light energy (d) chemical energy
  21. 21.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  22. 22.⚡ What does a ceiling fan mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  23. 23.⚡ What does an electric iron mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  24. 24.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) a power station (d) a television
  26. 26.True or false: an exhaust fan mainly gives out heat. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) a tube light (b) an LED lamp (c) an electric toy car (d) a night lamp
  28. 28.Which of these mainly makes movement? (a) a rice cooker (b) a toaster (c) an electric toy car (d) a torch
  29. 29.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  30. 30.True or false: a mixer grinder mainly makes sound. (a) True (b) False
  31. 31.Which of these mainly makes sound? (a) an electric drill (b) an electric iron (c) a table fan (d) a school bell
  32. 32.🔍 Which is the odd one out? (a) a mixer grinder (b) a ceiling fan (c) a table fan (d) a street light
  33. 33.⚡ What does a table fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  34. 34.True or false: an electric drill mainly makes movement. (a) True (b) False
  35. 35.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) dust particles (d) water drops
  36. 36.True or false: an LED lamp mainly makes sound. (a) False (b) True
  37. 37.Which of these mainly makes sound? (a) a room heater (b) a doorbell (c) an electric kettle (d) an electric toy car
  38. 38.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  39. 39.Which of these mainly gives out heat? (a) a ceiling fan (b) a toaster (c) a school bell (d) a table fan
  40. 40.⚡ What does a siren mainly change electricity into? (a) sound (b) heat (c) movement (d) light

Answer key

  1. False
  2. uses electricity
  3. a room heater
  4. a cell
  5. a rice cooker
  6. an electric kettle
  7. gives electricity
  8. a buzzer
  9. heat
  10. gives electricity
  11. a buzzer
  12. movement energy
  13. a loudspeaker
  14. sound
  15. light
  16. an electric iron
  17. a torch
  18. a mobile phone
  19. light
  20. light energy
  21. heat
  22. movement
  23. heat
  24. uses electricity
  25. a power station
  26. False
  27. an electric toy car
  28. an electric toy car
  29. electric current
  30. False
  31. a school bell
  32. a street light
  33. movement
  34. True
  35. electrons
  36. False
  37. a doorbell
  38. movement
  39. a toaster
  40. sound

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