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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 647 · 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 gives out heat? (a) a buzzer (b) an electric kettle (c) a siren (d) a street light
  2. 2.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.🔍 Which is the odd one out? (a) a tube light (b) a toaster (c) a night lamp (d) a street light
  5. 5.⚡ What does a toaster mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  6. 6.⚡ What does a tube light mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  7. 7.Which of these gives us electricity? (a) a water pump (b) a television (c) a computer (d) a bicycle dynamo
  8. 8.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  9. 9.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.True or false: an electric iron mainly makes movement. (a) True (b) False
  11. 11.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  13. 13.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.🔍 Which is the odd one out? (a) an electric iron (b) an electric kettle (c) a rice cooker (d) a tube light
  16. 16.Which of these mainly gives out heat? (a) a school bell (b) a torch (c) a toaster (d) an exhaust fan
  17. 17.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  18. 18.True or false: a torch mainly makes sound. (a) True (b) False
  19. 19.Which of these gives us electricity? (a) a television (b) a water pump (c) a cell (d) a computer
  20. 20.Which of these mainly gives out light? (a) a siren (b) an electric toy car (c) a room heater (d) a street light
  21. 21.True or false: a doorbell mainly gives out light. (a) False (b) True
  22. 22.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.🔍 Which is the odd one out? (a) an electric drill (b) a table fan (c) a night lamp (d) an exhaust fan
  24. 24.Which of these mainly makes sound? (a) a torch (b) a traffic signal (c) a loudspeaker (d) an exhaust fan
  25. 25.True or false: a night lamp mainly gives out light. (a) True (b) False
  26. 26.Which of these mainly gives out heat? (a) a night lamp (b) a school bell (c) a buzzer (d) an electric iron
  27. 27.Which of these mainly makes sound? (a) a doorbell (b) a traffic signal (c) a torch (d) a night lamp
  28. 28.True or false: a night lamp mainly makes sound. (a) True (b) False
  29. 29.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) electric current (d) a magnet
  30. 30.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.Which of these gives us electricity? (a) a mobile phone (b) a battery (c) a washing machine (d) a water pump
  32. 32.True or false: an electric drill mainly gives out heat. (a) True (b) False
  33. 33.Which of these gives us electricity? (a) a computer (b) an air conditioner (c) a power station (d) a mobile phone
  34. 34.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) electrons (d) photons
  35. 35.Which of these mainly gives out light? (a) a torch (b) a loudspeaker (c) a doorbell (d) an electric iron
  36. 36.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  37. 37.🔍 Which is the odd one out? (a) a street light (b) an electric kettle (c) a room heater (d) a rice cooker
  38. 38.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  39. 39.🔍 Which is the odd one out? (a) a doorbell (b) a ceiling fan (c) a table fan (d) an electric toy car
  40. 40.Which of these gives us electricity? (a) a television (b) a mobile phone (c) a refrigerator (d) a generator

Answer key

  1. an electric kettle
  2. uses electricity
  3. uses electricity
  4. a toaster
  5. heat
  6. light
  7. a bicycle dynamo
  8. movement
  9. uses electricity
  10. False
  11. uses electricity
  12. gives electricity
  13. gives electricity
  14. uses electricity
  15. a tube light
  16. a toaster
  17. light
  18. False
  19. a cell
  20. a street light
  21. False
  22. gives electricity
  23. a night lamp
  24. a loudspeaker
  25. True
  26. an electric iron
  27. a doorbell
  28. False
  29. electric current
  30. gives electricity
  31. a battery
  32. False
  33. a power station
  34. electrons
  35. a torch
  36. movement
  37. a street light
  38. movement energy
  39. a doorbell
  40. a generator

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