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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 710 · 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.True or false: an electric iron mainly gives out heat. (a) False (b) True
  2. 2.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.🔍 Which is the odd one out? (a) an LED lamp (b) a table fan (c) a traffic signal (d) a tube light
  4. 4.Which of these mainly makes sound? (a) a doorbell (b) a street light (c) an exhaust fan (d) a table fan
  5. 5.Which of these uses electricity? (a) a generator (b) a bicycle dynamo (c) a wind turbine (d) a water pump
  6. 6.⚡ What does a toaster mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  7. 7.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  8. 8.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) a magnet (d) sound
  9. 9.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  10. 10.🔍 Which is the odd one out? (a) an LED lamp (b) a street light (c) a torch (d) an electric drill
  11. 11.Which of these mainly gives out light? (a) a ceiling fan (b) an exhaust fan (c) a toaster (d) a night lamp
  12. 12.🔍 Which is the odd one out? (a) an LED lamp (b) a traffic signal (c) a water heater (d) a torch
  13. 13.⚡ What does a siren mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  14. 14.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric toy car (c) a doorbell (d) an exhaust fan
  15. 15.Which of these gives us electricity? (a) a mobile phone (b) a water pump (c) a solar panel (d) an air conditioner
  16. 16.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) electrical energy (d) sound energy
  17. 17.True or false: an electric iron mainly gives out light. (a) False (b) True
  18. 18.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.Which of these mainly makes movement? (a) a toaster (b) an LED lamp (c) a torch (d) a mixer grinder
  21. 21.Which of these uses electricity? (a) a power station (b) a generator (c) a bicycle dynamo (d) a television
  22. 22.⚡ What does an electric drill mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  23. 23.Which of these gives us electricity? (a) a refrigerator (b) a generator (c) a washing machine (d) a television
  24. 24.🔍 Which is the odd one out? (a) an LED lamp (b) an electric kettle (c) a tube light (d) a night lamp
  25. 25.Which of these gives us electricity? (a) a refrigerator (b) a washing machine (c) a water pump (d) a wind turbine
  26. 26.Which of these mainly gives out heat? (a) an electric toy car (b) a buzzer (c) a toaster (d) a siren
  27. 27.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) light energy (c) chemical energy (d) sound energy
  28. 28.Which of these mainly gives out heat? (a) an electric toy car (b) a traffic signal (c) a school bell (d) an electric iron
  29. 29.Which of these mainly makes movement? (a) an electric kettle (b) a school bell (c) a loudspeaker (d) a table fan
  30. 30.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  31. 31.Which of these uses electricity? (a) a wind turbine (b) a battery (c) a solar panel (d) a computer
  32. 32.🔍 Which is the odd one out? (a) an electric toy car (b) a table fan (c) a night lamp (d) a mixer grinder
  33. 33.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  34. 34.⚡ What does a school bell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  35. 35.🔍 Which is the odd one out? (a) an electric iron (b) a doorbell (c) a buzzer (d) a school bell
  36. 36.True or false: a street light mainly gives out light. (a) True (b) False
  37. 37.Which of these mainly makes sound? (a) an exhaust fan (b) a tube light (c) a loudspeaker (d) a night lamp
  38. 38.True or false: an LED lamp mainly gives out heat. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) a street light (b) an LED lamp (c) a torch (d) a toaster
  40. 40.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) movement energy

Answer key

  1. True
  2. uses electricity
  3. a table fan
  4. a doorbell
  5. a water pump
  6. heat
  7. movement
  8. electric current
  9. movement
  10. an electric drill
  11. a night lamp
  12. a water heater
  13. sound
  14. a doorbell
  15. a solar panel
  16. electrical energy
  17. False
  18. gives electricity
  19. uses electricity
  20. a mixer grinder
  21. a television
  22. movement
  23. a generator
  24. an electric kettle
  25. a wind turbine
  26. a toaster
  27. movement energy
  28. an electric iron
  29. a table fan
  30. light
  31. a computer
  32. a night lamp
  33. uses electricity
  34. sound
  35. an electric iron
  36. True
  37. a loudspeaker
  38. False
  39. a toaster
  40. movement energy

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