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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 83 · 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.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  2. 2.🔍 Which is the odd one out? (a) a mixer grinder (b) an exhaust fan (c) a street light (d) a ceiling fan
  3. 3.🔍 Which is the odd one out? (a) a street light (b) an LED lamp (c) a buzzer (d) a night lamp
  4. 4.Which of these gives us electricity? (a) a refrigerator (b) a television (c) a computer (d) a cell
  5. 5.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) electric current (d) sound
  6. 6.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  9. 9.Which of these mainly makes movement? (a) an electric toy car (b) a traffic signal (c) a street light (d) a torch
  10. 10.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.⚡ What does an electric toy car mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  13. 13.🔍 Which is the odd one out? (a) a night lamp (b) an LED lamp (c) a siren (d) a torch
  14. 14.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  16. 16.Which of these mainly gives out light? (a) a traffic signal (b) a school bell (c) an exhaust fan (d) a siren
  17. 17.🔍 Which is the odd one out? (a) a night lamp (b) a torch (c) a traffic signal (d) a doorbell
  18. 18.Which of these gives us electricity? (a) a water pump (b) a television (c) a wind turbine (d) a washing machine
  19. 19.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  22. 22.Which of these gives us electricity? (a) a washing machine (b) a refrigerator (c) a computer (d) a battery
  23. 23.⚡ What does an electric iron mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  24. 24.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  25. 25.True or false: a traffic signal mainly gives out light. (a) True (b) False
  26. 26.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.True or false: a room heater mainly makes sound. (a) True (b) False
  28. 28.Which of these mainly gives out light? (a) a doorbell (b) an electric kettle (c) an LED lamp (d) a rice cooker
  29. 29.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) nuclear energy (d) sound energy
  30. 30.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) wind energy
  31. 31.🔍 Which is the odd one out? (a) an electric iron (b) a table fan (c) a room heater (d) a rice cooker
  32. 32.🔍 Which is the odd one out? (a) a street light (b) a tube light (c) a night lamp (d) a rice cooker
  33. 33.Which of these mainly gives out light? (a) an electric kettle (b) a tube light (c) a water heater (d) an exhaust fan
  34. 34.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.True or false: an exhaust fan mainly gives out light. (a) False (b) True
  36. 36.⚡ What does a buzzer mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  37. 37.Which of these mainly gives out heat? (a) an electric drill (b) a ceiling fan (c) a night lamp (d) a rice cooker
  38. 38.🔍 Which is the odd one out? (a) a toaster (b) a water heater (c) a mixer grinder (d) a rice cooker
  39. 39.Which of these mainly makes sound? (a) an electric kettle (b) an exhaust fan (c) a ceiling fan (d) a doorbell
  40. 40.⚡ What does a night lamp mainly change electricity into? (a) light (b) heat (c) movement (d) sound

Answer key

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

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