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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 345 · 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 bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  2. 2.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.True or false: an electric drill mainly makes movement. (a) True (b) False
  4. 4.Which of these uses electricity? (a) a bicycle dynamo (b) a solar panel (c) a battery (d) a washing machine
  5. 5.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  6. 6.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric toy car (c) a mixer grinder (d) an LED lamp
  7. 7.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) wind energy (d) nuclear energy
  8. 8.🔍 Which is the odd one out? (a) a doorbell (b) a street light (c) a tube light (d) an LED lamp
  9. 9.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  10. 10.Which of these mainly gives out light? (a) a rice cooker (b) a tube light (c) an exhaust fan (d) a loudspeaker
  11. 11.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric kettle (c) a toaster (d) an electric iron
  13. 13.🔍 Which is the odd one out? (a) a night lamp (b) a water heater (c) a room heater (d) an electric iron
  14. 14.Which of these mainly gives out light? (a) a street light (b) an electric toy car (c) a table fan (d) a doorbell
  15. 15.⚡ What does a toaster mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  16. 16.Which of these mainly gives out heat? (a) a torch (b) a toaster (c) a traffic signal (d) a school bell
  17. 17.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  18. 18.Which of these uses electricity? (a) a television (b) a battery (c) a cell (d) a bicycle dynamo
  19. 19.Which of these mainly gives out heat? (a) a street light (b) an electric kettle (c) a buzzer (d) a school bell
  20. 20.Which of these uses electricity? (a) a cell (b) a solar panel (c) a mobile phone (d) a wind turbine
  21. 21.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  23. 23.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) electric current (d) a magnet
  24. 24.Which of these mainly gives out light? (a) a room heater (b) an LED lamp (c) an electric kettle (d) a siren
  25. 25.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.Which of these mainly makes movement? (a) a school bell (b) a buzzer (c) a traffic signal (d) a ceiling fan
  27. 27.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) a cell (d) a television
  28. 28.⚡ What does a tube light mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  29. 29.True or false: a school bell mainly gives out heat. (a) False (b) True
  30. 30.True or false: a loudspeaker mainly makes movement. (a) False (b) True
  31. 31.⚡ What does an electric toy car mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  32. 32.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.🔍 Which is the odd one out? (a) an electric kettle (b) a buzzer (c) a school bell (d) a siren
  34. 34.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  35. 35.Which of these uses electricity? (a) a cell (b) a wind turbine (c) a solar panel (d) a water pump
  36. 36.🔍 Which is the odd one out? (a) an LED lamp (b) a street light (c) a torch (d) an electric drill
  37. 37.⚡ What does a torch mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  38. 38.True or false: a room heater mainly gives out heat. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a ceiling fan (d) a doorbell
  40. 40.Which of these gives us electricity? (a) a wind turbine (b) an air conditioner (c) a mobile phone (d) a computer

Answer key

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

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