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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 109 · 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: a ceiling fan mainly makes movement. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) a doorbell (b) a mixer grinder (c) a ceiling fan (d) an exhaust fan
  3. 3.Which of these gives us electricity? (a) a water pump (b) a cell (c) a washing machine (d) a mobile phone
  4. 4.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  5. 5.Which of these mainly makes sound? (a) an LED lamp (b) an electric toy car (c) a buzzer (d) a torch
  6. 6.True or false: a table fan mainly gives out light. (a) True (b) False
  7. 7.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.⚡ What does a room heater mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  9. 9.Which of these mainly makes sound? (a) a school bell (b) a torch (c) a room heater (d) an electric iron
  10. 10.Which of these mainly makes sound? (a) a tube light (b) a doorbell (c) a rice cooker (d) a torch
  11. 11.True or false: an exhaust fan mainly gives out light. (a) True (b) False
  12. 12.True or false: an LED lamp mainly gives out light. (a) True (b) False
  13. 13.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.Which of these uses electricity? (a) a bicycle dynamo (b) a television (c) a solar panel (d) a wind turbine
  16. 16.⚡ What does a street light mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  17. 17.⚡ What does a table fan mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  18. 18.Which of these mainly makes sound? (a) an electric toy car (b) a table fan (c) a siren (d) a tube light
  19. 19.⚡ What does a torch mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  20. 20.Which of these mainly makes movement? (a) a tube light (b) a doorbell (c) a toaster (d) a ceiling fan
  21. 21.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) electric current (d) sound
  22. 22.Which of these uses electricity? (a) a battery (b) a generator (c) a wind turbine (d) an air conditioner
  23. 23.⚡ What does a night lamp mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  24. 24.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) chemical energy (d) light energy
  25. 25.Which of these mainly gives out heat? (a) a siren (b) a traffic signal (c) a water heater (d) a night lamp
  26. 26.🔍 Which is the odd one out? (a) an electric iron (b) an electric kettle (c) a buzzer (d) a rice cooker
  27. 27.Which of these uses electricity? (a) a battery (b) a water pump (c) a generator (d) a wind turbine
  28. 28.🔍 Which is the odd one out? (a) a tube light (b) a traffic signal (c) a torch (d) a toaster
  29. 29.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  30. 30.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) electrical energy (d) nuclear energy
  32. 32.Which of these mainly gives out light? (a) an electric toy car (b) an electric iron (c) a tube light (d) a siren
  33. 33.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.True or false: a traffic signal mainly gives out light. (a) True (b) False
  35. 35.🔍 Which is the odd one out? (a) a loudspeaker (b) an electric iron (c) a siren (d) a school bell
  36. 36.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  37. 37.Which of these mainly gives out light? (a) a ceiling fan (b) a buzzer (c) a night lamp (d) a toaster
  38. 38.🔍 Which is the odd one out? (a) a doorbell (b) an LED lamp (c) a loudspeaker (d) a siren
  39. 39.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  40. 40.Which of these uses electricity? (a) a mobile phone (b) a solar panel (c) a bicycle dynamo (d) a generator

Answer key

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

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