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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 429 · 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.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  2. 2.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) a magnet (d) electric current
  3. 3.Which of these mainly gives out heat? (a) a loudspeaker (b) a ceiling fan (c) a tube light (d) an electric kettle
  4. 4.⚡ What does a torch mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  5. 5.True or false: a loudspeaker mainly gives out heat. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) a loudspeaker (b) a siren (c) a mixer grinder (d) a buzzer
  7. 7.True or false: an electric toy car mainly makes movement. (a) False (b) True
  8. 8.True or false: a table fan mainly gives out light. (a) True (b) False
  9. 9.True or false: a tube light mainly gives out light. (a) True (b) False
  10. 10.True or false: an LED lamp mainly gives out light. (a) False (b) True
  11. 11.Which of these mainly gives out heat? (a) an electric toy car (b) a street light (c) an electric iron (d) a ceiling fan
  12. 12.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  13. 13.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.Which of these uses electricity? (a) a power station (b) a solar panel (c) a generator (d) a television
  15. 15.⚡ What does a school bell mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  16. 16.True or false: an electric iron mainly gives out light. (a) True (b) False
  17. 17.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.True or false: a table fan mainly makes movement. (a) False (b) True
  19. 19.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a bicycle dynamo (d) a mobile phone
  20. 20.🔍 Which is the odd one out? (a) a room heater (b) a traffic signal (c) a torch (d) a street light
  21. 21.🔍 Which is the odd one out? (a) a traffic signal (b) a tube light (c) a torch (d) a water heater
  22. 22.True or false: an exhaust fan mainly gives out light. (a) True (b) False
  23. 23.Which of these mainly makes sound? (a) a toaster (b) a night lamp (c) a water heater (d) a doorbell
  24. 24.🔍 Which is the odd one out? (a) a doorbell (b) a loudspeaker (c) a buzzer (d) a ceiling fan
  25. 25.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) wind energy (c) sound energy (d) chemical energy
  26. 26.🔍 Which is the odd one out? (a) a school bell (b) a street light (c) a traffic signal (d) a tube light
  27. 27.Which of these mainly gives out light? (a) a ceiling fan (b) a room heater (c) a traffic signal (d) an electric drill
  28. 28.Which of these gives us electricity? (a) an air conditioner (b) a generator (c) a mobile phone (d) a television
  29. 29.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  30. 30.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) an air conditioner (d) a wind turbine
  32. 32.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  33. 33.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.Which of these uses electricity? (a) a generator (b) a mobile phone (c) a bicycle dynamo (d) a battery
  35. 35.⚡ What does a siren mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  36. 36.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  38. 38.Which of these mainly gives out light? (a) an LED lamp (b) a buzzer (c) an electric drill (d) an exhaust fan
  39. 39.True or false: an electric kettle mainly makes sound. (a) True (b) False
  40. 40.🔍 Which is the odd one out? (a) an exhaust fan (b) a torch (c) a ceiling fan (d) a table fan

Answer key

  1. gives electricity
  2. electric current
  3. an electric kettle
  4. light
  5. False
  6. a mixer grinder
  7. True
  8. False
  9. True
  10. True
  11. an electric iron
  12. sound
  13. uses electricity
  14. a television
  15. sound
  16. False
  17. gives electricity
  18. True
  19. a bicycle dynamo
  20. a room heater
  21. a water heater
  22. False
  23. a doorbell
  24. a ceiling fan
  25. light energy
  26. a school bell
  27. a traffic signal
  28. a generator
  29. light
  30. gives electricity
  31. a wind turbine
  32. movement
  33. gives electricity
  34. a mobile phone
  35. sound
  36. gives electricity
  37. electrons
  38. an LED lamp
  39. False
  40. a torch

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