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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 255 · 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 is the odd one out? (a) a toaster (b) an exhaust fan (c) a ceiling fan (d) a mixer grinder
  2. 2.🔍 Which is the odd one out? (a) an electric iron (b) a water heater (c) a siren (d) a toaster
  3. 3.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  4. 4.Which of these mainly gives out light? (a) a school bell (b) a toaster (c) a torch (d) an electric iron
  5. 5.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  6. 6.Which of these mainly makes movement? (a) a ceiling fan (b) an LED lamp (c) a buzzer (d) a siren
  7. 7.Which of these mainly gives out heat? (a) a mixer grinder (b) a water heater (c) a tube light (d) a loudspeaker
  8. 8.Which of these uses electricity? (a) a refrigerator (b) a battery (c) a power station (d) a bicycle dynamo
  9. 9.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.⚡ What does a room heater mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  11. 11.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.Which of these mainly gives out light? (a) an electric iron (b) a buzzer (c) a water heater (d) an LED lamp
  13. 13.True or false: an electric toy car mainly makes sound. (a) True (b) False
  14. 14.🔍 Which is the odd one out? (a) a water heater (b) a toaster (c) an exhaust fan (d) a room heater
  15. 15.Which of these mainly gives out light? (a) a night lamp (b) a table fan (c) a toaster (d) an electric kettle
  16. 16.⚡ What does a torch mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  17. 17.Which of these mainly gives out heat? (a) a doorbell (b) an electric toy car (c) an electric iron (d) a street light
  18. 18.Which of these gives us electricity? (a) a refrigerator (b) a washing machine (c) a generator (d) an air conditioner
  19. 19.Which of these mainly makes movement? (a) a loudspeaker (b) a table fan (c) a street light (d) a torch
  20. 20.True or false: a ceiling fan mainly gives out light. (a) True (b) False
  21. 21.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  22. 22.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  23. 23.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  24. 24.True or false: a torch mainly makes sound. (a) True (b) False
  25. 25.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.Which of these mainly gives out heat? (a) a toaster (b) an electric drill (c) a table fan (d) a doorbell
  27. 27.⚡ What does a ceiling fan mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  28. 28.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  30. 30.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  31. 31.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  32. 32.⚡ What does a street light mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  33. 33.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  34. 34.Which of these mainly gives out light? (a) an electric kettle (b) a tube light (c) an electric toy car (d) a doorbell
  35. 35.Which of these mainly makes movement? (a) a traffic signal (b) a torch (c) a street light (d) a mixer grinder
  36. 36.True or false: a table fan mainly makes movement. (a) True (b) False
  37. 37.Which of these uses electricity? (a) a battery (b) a power station (c) a cell (d) a computer
  38. 38.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  39. 39.Which of these uses electricity? (a) a battery (b) a television (c) a solar panel (d) a generator
  40. 40.True or false: a room heater mainly makes movement. (a) False (b) True

Answer key

  1. a toaster
  2. a siren
  3. sound
  4. a torch
  5. gives electricity
  6. a ceiling fan
  7. a water heater
  8. a refrigerator
  9. gives electricity
  10. heat
  11. uses electricity
  12. an LED lamp
  13. False
  14. an exhaust fan
  15. a night lamp
  16. light
  17. an electric iron
  18. a generator
  19. a table fan
  20. False
  21. electrons
  22. movement energy
  23. heat
  24. False
  25. gives electricity
  26. a toaster
  27. movement
  28. uses electricity
  29. light
  30. movement
  31. True
  32. light
  33. uses electricity
  34. a tube light
  35. a mixer grinder
  36. True
  37. a computer
  38. True
  39. a television
  40. False

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