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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 618 · 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 uses electricity? (a) a solar panel (b) a generator (c) a wind turbine (d) a television
  2. 2.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) wind energy (c) sound energy (d) light energy
  3. 3.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.Which of these gives us electricity? (a) a cell (b) a television (c) a washing machine (d) a computer
  5. 5.True or false: an electric iron mainly gives out heat. (a) False (b) True
  6. 6.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) friction (d) sound
  8. 8.Which of these mainly makes movement? (a) an LED lamp (b) a ceiling fan (c) a street light (d) a torch
  9. 9.⚡ What does an electric toy car mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  10. 10.⚡ What does a buzzer mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  11. 11.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  12. 12.🔍 Which is the odd one out? (a) a ceiling fan (b) a table fan (c) an exhaust fan (d) a loudspeaker
  13. 13.Which of these mainly makes movement? (a) a toaster (b) a water heater (c) a traffic signal (d) a table fan
  14. 14.Which of these mainly gives out heat? (a) an electric kettle (b) a school bell (c) a table fan (d) a ceiling fan
  15. 15.⚡ What does an electric iron mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  16. 16.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a refrigerator (d) a generator
  17. 17.True or false: an electric iron mainly gives out light. (a) False (b) True
  18. 18.Which of these uses electricity? (a) an air conditioner (b) a wind turbine (c) a battery (d) a bicycle dynamo
  19. 19.True or false: a tube light mainly makes sound. (a) False (b) True
  20. 20.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) electrons (d) dust particles
  21. 21.⚡ What does a ceiling fan mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  22. 22.True or false: a buzzer mainly makes sound. (a) False (b) True
  23. 23.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  25. 25.Which of these mainly gives out light? (a) an LED lamp (b) an electric drill (c) a rice cooker (d) an exhaust fan
  26. 26.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.🔍 Which is the odd one out? (a) an LED lamp (b) a table fan (c) a traffic signal (d) a night lamp
  28. 28.Which of these mainly makes sound? (a) a mixer grinder (b) a buzzer (c) an electric iron (d) a room heater
  29. 29.⚡ What does a water heater mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  30. 30.Which of these mainly makes movement? (a) an electric drill (b) a siren (c) a room heater (d) an electric iron
  31. 31.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  32. 32.⚡ What does a siren mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  33. 33.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.🔍 Which is the odd one out? (a) a toaster (b) a ceiling fan (c) an electric kettle (d) a room heater
  35. 35.Which of these gives us electricity? (a) a power station (b) a television (c) a computer (d) a mobile phone
  36. 36.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  37. 37.⚡ What does a torch mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  38. 38.⚡ What does a doorbell mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  39. 39.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) movement energy (c) chemical energy (d) sound energy
  40. 40.True or false: a loudspeaker mainly makes sound. (a) True (b) False

Answer key

  1. a television
  2. light energy
  3. gives electricity
  4. a cell
  5. True
  6. uses electricity
  7. electric current
  8. a ceiling fan
  9. movement
  10. sound
  11. light
  12. a loudspeaker
  13. a table fan
  14. an electric kettle
  15. heat
  16. a generator
  17. False
  18. an air conditioner
  19. False
  20. electrons
  21. movement
  22. True
  23. gives electricity
  24. movement
  25. an LED lamp
  26. gives electricity
  27. a table fan
  28. a buzzer
  29. heat
  30. an electric drill
  31. light
  32. sound
  33. uses electricity
  34. a ceiling fan
  35. a power station
  36. movement energy
  37. light
  38. sound
  39. movement energy
  40. True

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