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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 261 · 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 bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  2. 2.Which of these uses electricity? (a) a battery (b) a power station (c) an air conditioner (d) a wind turbine
  3. 3.Which of these mainly gives out light? (a) a buzzer (b) an LED lamp (c) an electric toy car (d) an electric kettle
  4. 4.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  5. 5.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) dust particles (d) water drops
  6. 6.Which of these mainly makes sound? (a) a doorbell (b) a night lamp (c) an electric kettle (d) a street light
  7. 7.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric toy car (c) a torch (d) an exhaust fan
  8. 8.⚡ What does a tube light mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  9. 9.⚡ What does an electric drill mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  10. 10.Which of these uses electricity? (a) a generator (b) a battery (c) a wind turbine (d) a computer
  11. 11.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  12. 12.⚡ What does an electric toy car mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  13. 13.⚡ What does a water heater mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  14. 14.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.⚡ What does a school bell mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  16. 16.True or false: a doorbell mainly makes movement. (a) False (b) True
  17. 17.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.True or false: a street light mainly gives out light. (a) True (b) False
  20. 20.Which of these gives us electricity? (a) an air conditioner (b) a computer (c) a refrigerator (d) a battery
  21. 21.🔍 Which is the odd one out? (a) a rice cooker (b) a toaster (c) a room heater (d) a tube light
  22. 22.Which of these mainly gives out heat? (a) a water heater (b) a loudspeaker (c) an exhaust fan (d) a tube light
  23. 23.True or false: a siren mainly makes movement. (a) False (b) True
  24. 24.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.⚡ What does a buzzer mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  26. 26.🔍 Which is the odd one out? (a) a tube light (b) a school bell (c) a night lamp (d) a torch
  27. 27.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) sound (d) electric current
  28. 28.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) nuclear energy (d) electrical energy
  29. 29.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  31. 31.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  32. 32.🔍 Which is the odd one out? (a) an electric kettle (b) a night lamp (c) a rice cooker (d) a room heater
  33. 33.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  34. 34.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  35. 35.True or false: a siren mainly gives out light. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) an electric iron (b) an LED lamp (c) a tube light (d) a torch
  37. 37.🔍 Which is the odd one out? (a) a buzzer (b) a street light (c) a school bell (d) a loudspeaker
  38. 38.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  39. 39.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  40. 40.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) chemical energy (c) light energy (d) movement energy

Answer key

  1. gives electricity
  2. an air conditioner
  3. an LED lamp
  4. gives electricity
  5. electrons
  6. a doorbell
  7. a torch
  8. light
  9. movement
  10. a computer
  11. movement
  12. movement
  13. heat
  14. gives electricity
  15. sound
  16. False
  17. uses electricity
  18. gives electricity
  19. True
  20. a battery
  21. a tube light
  22. a water heater
  23. False
  24. uses electricity
  25. sound
  26. a school bell
  27. electric current
  28. electrical energy
  29. gives electricity
  30. movement energy
  31. heat
  32. a night lamp
  33. True
  34. sound
  35. False
  36. an electric iron
  37. a street light
  38. uses electricity
  39. light
  40. movement energy

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