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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 809 · 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.⚡ What does an electric drill mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  2. 2.True or false: a doorbell mainly gives out heat. (a) True (b) False
  3. 3.Which of these uses electricity? (a) a battery (b) a water pump (c) a wind turbine (d) a bicycle dynamo
  4. 4.Which of these mainly gives out light? (a) a room heater (b) a table fan (c) a toaster (d) an LED lamp
  5. 5.🔍 Which is the odd one out? (a) a water heater (b) a torch (c) a street light (d) a tube light
  6. 6.🔍 Which is the odd one out? (a) a tube light (b) an LED lamp (c) a school bell (d) a night lamp
  7. 7.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  9. 9.Which of these uses electricity? (a) a bicycle dynamo (b) a computer (c) a solar panel (d) a generator
  10. 10.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) sound energy (c) light energy (d) chemical energy
  12. 12.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) electrons (d) photons
  13. 13.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  14. 14.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) sound (d) electric current
  16. 16.Which of these mainly gives out light? (a) an electric kettle (b) a siren (c) an electric toy car (d) a torch
  17. 17.⚡ What does a tube light mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  18. 18.True or false: a table fan mainly makes movement. (a) False (b) True
  19. 19.⚡ What does a room heater mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  20. 20.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.True or false: a torch mainly gives out light. (a) False (b) True
  22. 22.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) an electric toy car (d) an LED lamp
  23. 23.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  24. 24.Which of these mainly gives out heat? (a) an LED lamp (b) a water heater (c) an exhaust fan (d) a buzzer
  25. 25.⚡ What does a siren mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  26. 26.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a refrigerator (d) a bicycle dynamo
  27. 27.True or false: a toaster mainly gives out light. (a) False (b) True
  28. 28.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  29. 29.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.Which of these mainly gives out heat? (a) an electric kettle (b) a tube light (c) a buzzer (d) a torch
  31. 31.🔍 Which is the odd one out? (a) a toaster (b) a loudspeaker (c) a siren (d) a doorbell
  32. 32.🔍 Which is the odd one out? (a) an exhaust fan (b) a tube light (c) an LED lamp (d) a torch
  33. 33.True or false: a doorbell mainly gives out light. (a) False (b) True
  34. 34.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) light energy (c) chemical energy (d) sound energy
  35. 35.⚡ What does an electric kettle mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  36. 36.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.⚡ What does a table fan mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  38. 38.Which of these mainly makes sound? (a) a siren (b) a night lamp (c) an electric kettle (d) a torch
  39. 39.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) wind energy
  40. 40.⚡ What does a toaster mainly change electricity into? (a) sound (b) heat (c) light (d) movement

Answer key

  1. movement
  2. False
  3. a water pump
  4. an LED lamp
  5. a water heater
  6. a school bell
  7. gives electricity
  8. electrical energy
  9. a computer
  10. gives electricity
  11. movement energy
  12. electrons
  13. heat
  14. gives electricity
  15. electric current
  16. a torch
  17. light
  18. True
  19. heat
  20. gives electricity
  21. True
  22. an electric toy car
  23. movement
  24. a water heater
  25. sound
  26. a bicycle dynamo
  27. False
  28. movement
  29. gives electricity
  30. an electric kettle
  31. a toaster
  32. an exhaust fan
  33. False
  34. movement energy
  35. heat
  36. uses electricity
  37. movement
  38. a siren
  39. light energy
  40. heat

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