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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. light
  2. gives electricity
  3. a buzzer
  4. uses electricity
  5. True
  6. a generator
  7. False
  8. True
  9. sound
  10. an electric kettle
  11. an air conditioner
  12. light
  13. light
  14. electric current
  15. sound
  16. a battery
  17. movement
  18. light
  19. an electric iron
  20. a loudspeaker
  21. a traffic signal
  22. an LED lamp
  23. electrons
  24. a loudspeaker
  25. False
  26. False
  27. a wind turbine
  28. movement
  29. a television
  30. a siren
  31. a school bell
  32. a doorbell
  33. a bicycle dynamo
  34. movement energy
  35. heat
  36. gives electricity
  37. light energy
  38. a cell
  39. a toaster
  40. a night lamp

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