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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. movement
  2. electrons
  3. a school bell
  4. False
  5. light
  6. gives electricity
  7. a school bell
  8. an electric kettle
  9. uses electricity
  10. a tube light
  11. electric current
  12. an electric drill
  13. False
  14. gives electricity
  15. a torch
  16. False
  17. light energy
  18. movement energy
  19. True
  20. uses electricity
  21. movement
  22. a water heater
  23. electrical energy
  24. sound
  25. gives electricity
  26. a siren
  27. a street light
  28. gives electricity
  29. uses electricity
  30. a solar panel
  31. a computer
  32. False
  33. an electric drill
  34. False
  35. a ceiling fan
  36. a mixer grinder
  37. False
  38. movement energy
  39. heat
  40. a siren

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