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Electronics Worksheet: Electricity and Energy

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

Answer key

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

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