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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 855 · 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.

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

Answer key

  1. a bicycle dynamo
  2. a traffic signal
  3. False
  4. False
  5. uses electricity
  6. uses electricity
  7. a tube light
  8. False
  9. a battery
  10. a wind turbine
  11. electrons
  12. True
  13. light
  14. an air conditioner
  15. an electric toy car
  16. uses electricity
  17. a buzzer
  18. True
  19. an exhaust fan
  20. heat
  21. light
  22. a toaster
  23. electrical energy
  24. sound
  25. a ceiling fan
  26. an exhaust fan
  27. movement
  28. movement energy
  29. False
  30. gives electricity
  31. True
  32. sound
  33. light
  34. a rice cooker
  35. True
  36. electric current
  37. a night lamp
  38. movement
  39. False
  40. light energy

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