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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 934 · 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.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) sound (d) a magnet
  2. 2.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.⚡ What does a tube light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  4. 4.🔍 Which is the odd one out? (a) a ceiling fan (b) a mixer grinder (c) an electric drill (d) a doorbell
  5. 5.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  6. 6.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  7. 7.🔍 Which is the odd one out? (a) an LED lamp (b) a traffic signal (c) a tube light (d) a siren
  8. 8.🔍 Which is the odd one out? (a) a ceiling fan (b) a tube light (c) a torch (d) a night lamp
  9. 9.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric iron (c) a table fan (d) a mixer grinder
  10. 10.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  11. 11.🔍 Which is the odd one out? (a) a night lamp (b) a school bell (c) an LED lamp (d) a street light
  12. 12.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) electrical energy (d) sound energy
  13. 13.Which of these mainly makes movement? (a) a torch (b) a buzzer (c) a room heater (d) a table fan
  14. 14.🔍 Which is the odd one out? (a) a street light (b) an electric toy car (c) an LED lamp (d) a night lamp
  15. 15.True or false: a buzzer mainly gives out heat. (a) False (b) True
  16. 16.Which of these mainly gives out light? (a) an LED lamp (b) an electric iron (c) a table fan (d) a loudspeaker
  17. 17.Which of these uses electricity? (a) a generator (b) a power station (c) a water pump (d) a solar panel
  18. 18.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.Which of these mainly gives out heat? (a) a night lamp (b) an electric iron (c) a torch (d) an exhaust fan
  20. 20.⚡ What does an electric iron mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  21. 21.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) electrons (d) dust particles
  22. 22.Which of these uses electricity? (a) a battery (b) a television (c) a generator (d) a solar panel
  23. 23.Which of these gives us electricity? (a) an air conditioner (b) a refrigerator (c) a cell (d) a computer
  24. 24.🔍 Which is the odd one out? (a) a rice cooker (b) a buzzer (c) a school bell (d) a doorbell
  25. 25.Which of these mainly makes sound? (a) a mixer grinder (b) a room heater (c) a torch (d) a siren
  26. 26.🔍 Which is the odd one out? (a) a room heater (b) an electric kettle (c) a traffic signal (d) a rice cooker
  27. 27.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  29. 29.🔍 Which is the odd one out? (a) an LED lamp (b) an electric iron (c) a toaster (d) an electric kettle
  30. 30.Which of these mainly gives out light? (a) a rice cooker (b) a torch (c) a mixer grinder (d) a toaster
  31. 31.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  32. 32.Which of these mainly makes sound? (a) a school bell (b) a mixer grinder (c) a toaster (d) an electric drill
  33. 33.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  34. 34.🔍 Which is the odd one out? (a) a room heater (b) an electric iron (c) a buzzer (d) a rice cooker
  35. 35.⚡ What does a water heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  36. 36.⚡ What does a torch mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  37. 37.🔍 Which is the odd one out? (a) a torch (b) a street light (c) a night lamp (d) an exhaust fan
  38. 38.Which of these uses electricity? (a) an air conditioner (b) a generator (c) a bicycle dynamo (d) a wind turbine
  39. 39.🔍 Which is the odd one out? (a) a room heater (b) an electric kettle (c) a mixer grinder (d) a toaster
  40. 40.Which of these mainly gives out heat? (a) a night lamp (b) a siren (c) a mixer grinder (d) a rice cooker

Answer key

  1. electric current
  2. uses electricity
  3. light
  4. a doorbell
  5. movement
  6. light
  7. a siren
  8. a ceiling fan
  9. an electric iron
  10. movement energy
  11. a school bell
  12. electrical energy
  13. a table fan
  14. an electric toy car
  15. False
  16. an LED lamp
  17. a water pump
  18. uses electricity
  19. an electric iron
  20. heat
  21. electrons
  22. a television
  23. a cell
  24. a rice cooker
  25. a siren
  26. a traffic signal
  27. gives electricity
  28. light energy
  29. an LED lamp
  30. a torch
  31. True
  32. a school bell
  33. gives electricity
  34. a buzzer
  35. heat
  36. light
  37. an exhaust fan
  38. an air conditioner
  39. a mixer grinder
  40. a rice cooker

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