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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 532 · 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.Which of these gives us electricity? (a) an air conditioner (b) a generator (c) a computer (d) a water pump
  2. 2.Which of these mainly gives out light? (a) a doorbell (b) a night lamp (c) a siren (d) a room heater
  3. 3.Which of these mainly gives out light? (a) an electric drill (b) an electric toy car (c) a water heater (d) a torch
  4. 4.Which of these gives us electricity? (a) a battery (b) a computer (c) a water pump (d) a refrigerator
  5. 5.Which of these mainly gives out heat? (a) a doorbell (b) a mixer grinder (c) an LED lamp (d) a toaster
  6. 6.🔍 Which is the odd one out? (a) a doorbell (b) an electric iron (c) an electric kettle (d) a room heater
  7. 7.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) photons (d) electrons
  9. 9.Which of these mainly gives out light? (a) a rice cooker (b) a toaster (c) a tube light (d) an electric iron
  10. 10.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) movement energy (d) chemical energy
  11. 11.Which of these mainly makes sound? (a) a ceiling fan (b) a room heater (c) an LED lamp (d) a doorbell
  12. 12.⚡ What does a buzzer mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  13. 13.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  16. 16.🔍 Which is the odd one out? (a) a night lamp (b) an LED lamp (c) a table fan (d) a torch
  17. 17.Which of these mainly makes movement? (a) a room heater (b) a ceiling fan (c) a street light (d) a torch
  18. 18.⚡ What does a siren mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  19. 19.Which of these uses electricity? (a) a bicycle dynamo (b) a solar panel (c) a battery (d) a refrigerator
  20. 20.⚡ What does a doorbell mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  21. 21.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  23. 23.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  25. 25.🔍 Which is the odd one out? (a) a tube light (b) an LED lamp (c) a toaster (d) a street light
  26. 26.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  27. 27.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) sound (d) a magnet
  28. 28.⚡ What does an electric drill mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  29. 29.True or false: an electric drill mainly gives out light. (a) True (b) False
  30. 30.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.Which of these mainly makes movement? (a) a toaster (b) a mixer grinder (c) a torch (d) an electric iron
  32. 32.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  33. 33.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  34. 34.⚡ What does a water heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  35. 35.Which of these mainly makes sound? (a) a loudspeaker (b) a toaster (c) a street light (d) an electric drill
  36. 36.Which of these uses electricity? (a) a power station (b) a solar panel (c) a bicycle dynamo (d) a computer
  37. 37.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  38. 38.Which of these uses electricity? (a) a mobile phone (b) a cell (c) a wind turbine (d) a bicycle dynamo
  39. 39.🔍 Which is the odd one out? (a) a toaster (b) an electric kettle (c) a room heater (d) a loudspeaker
  40. 40.Which of these mainly makes movement? (a) a water heater (b) a torch (c) a traffic signal (d) an electric drill

Answer key

  1. a generator
  2. a night lamp
  3. a torch
  4. a battery
  5. a toaster
  6. a doorbell
  7. gives electricity
  8. electrons
  9. a tube light
  10. movement energy
  11. a doorbell
  12. sound
  13. uses electricity
  14. uses electricity
  15. light energy
  16. a table fan
  17. a ceiling fan
  18. sound
  19. a refrigerator
  20. sound
  21. gives electricity
  22. uses electricity
  23. gives electricity
  24. heat
  25. a toaster
  26. movement energy
  27. electric current
  28. movement
  29. False
  30. uses electricity
  31. a mixer grinder
  32. electrical energy
  33. True
  34. heat
  35. a loudspeaker
  36. a computer
  37. light
  38. a mobile phone
  39. a loudspeaker
  40. an electric drill

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