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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 340 · 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 mainly makes sound? (a) an electric toy car (b) a street light (c) a school bell (d) a night lamp
  2. 2.Which of these mainly gives out light? (a) a room heater (b) an exhaust fan (c) a water heater (d) a tube light
  3. 3.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) nuclear energy (d) wind energy
  4. 4.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  5. 5.Which of these gives us electricity? (a) a washing machine (b) a mobile phone (c) a solar panel (d) a computer
  6. 6.Which of these mainly makes movement? (a) a night lamp (b) a mixer grinder (c) a traffic signal (d) a tube light
  7. 7.🔍 Which is the odd one out? (a) a mixer grinder (b) a traffic signal (c) a street light (d) a tube light
  8. 8.True or false: a mixer grinder mainly makes sound. (a) False (b) True
  9. 9.⚡ What does a toaster mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  10. 10.🔍 Which is the odd one out? (a) a school bell (b) a torch (c) a loudspeaker (d) a doorbell
  11. 11.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) chemical energy (d) light energy
  12. 12.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  13. 13.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  14. 14.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) movement energy (c) sound energy (d) chemical energy
  15. 15.🔍 Which is the odd one out? (a) an exhaust fan (b) a mixer grinder (c) a ceiling fan (d) a rice cooker
  16. 16.⚡ What does a traffic signal mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  17. 17.⚡ What does an exhaust fan mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  18. 18.True or false: a traffic signal mainly gives out light. (a) False (b) True
  19. 19.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.Which of these mainly makes sound? (a) a ceiling fan (b) a torch (c) a room heater (d) a buzzer
  22. 22.🔍 Which is the odd one out? (a) a traffic signal (b) a night lamp (c) a tube light (d) an electric iron
  23. 23.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  24. 24.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric toy car (c) a ceiling fan (d) a siren
  25. 25.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.⚡ What does a buzzer mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  27. 27.True or false: an electric iron mainly makes sound. (a) True (b) False
  28. 28.Which of these mainly gives out light? (a) an electric drill (b) a room heater (c) a night lamp (d) a rice cooker
  29. 29.True or false: an electric toy car mainly makes movement. (a) True (b) False
  30. 30.⚡ What does a ceiling fan mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  31. 31.Which of these mainly makes movement? (a) a torch (b) a ceiling fan (c) an electric kettle (d) a tube light
  32. 32.⚡ What does an electric drill mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  33. 33.Which of these mainly gives out light? (a) a mixer grinder (b) a water heater (c) a loudspeaker (d) a torch
  34. 34.Which of these mainly makes movement? (a) an LED lamp (b) an electric toy car (c) a rice cooker (d) a street light
  35. 35.Which of these mainly makes movement? (a) a toaster (b) an electric iron (c) an exhaust fan (d) a rice cooker
  36. 36.True or false: an electric iron mainly gives out heat. (a) False (b) True
  37. 37.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) electric current (d) sound
  38. 38.🔍 Which is the odd one out? (a) a torch (b) a loudspeaker (c) a tube light (d) a street light
  39. 39.🔍 Which is the odd one out? (a) a water heater (b) a ceiling fan (c) an electric kettle (d) an electric iron
  40. 40.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

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

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