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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 671 · 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 doorbell mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  2. 2.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) sound (d) a magnet
  3. 3.Which of these mainly makes sound? (a) a toaster (b) a night lamp (c) an electric toy car (d) a loudspeaker
  4. 4.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) a torch (d) a ceiling fan
  5. 5.True or false: an electric toy car mainly makes movement. (a) False (b) True
  6. 6.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  7. 7.True or false: an LED lamp mainly makes sound. (a) False (b) True
  8. 8.⚡ What does a room heater mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  9. 9.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) a mobile phone (d) a cell
  10. 10.🔍 Which is the odd one out? (a) an electric toy car (b) a rice cooker (c) a room heater (d) an electric iron
  11. 11.Which of these uses electricity? (a) a wind turbine (b) a generator (c) a bicycle dynamo (d) a washing machine
  12. 12.Which of these mainly makes movement? (a) a water heater (b) an electric toy car (c) a siren (d) a room heater
  13. 13.🔋 Does a power station 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 uses electricity? (a) a bicycle dynamo (b) a cell (c) a battery (d) a computer
  16. 16.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  17. 17.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.⚡ What does an electric iron mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  19. 19.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  20. 20.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  21. 21.Which of these uses electricity? (a) a television (b) a cell (c) a generator (d) a battery
  22. 22.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) electrical energy (d) sound energy
  23. 23.Which of these mainly gives out light? (a) a tube light (b) a doorbell (c) a school bell (d) a ceiling fan
  24. 24.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.True or false: a torch mainly gives out light. (a) False (b) True
  26. 26.⚡ What does a table fan mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  27. 27.🔍 Which is the odd one out? (a) a loudspeaker (b) an electric iron (c) a buzzer (d) a school bell
  28. 28.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) movement energy (d) sound energy
  29. 29.Which of these gives us electricity? (a) a computer (b) a solar panel (c) a washing machine (d) a water pump
  30. 30.Which of these mainly makes movement? (a) a torch (b) a tube light (c) an exhaust fan (d) a night lamp
  31. 31.Which of these mainly makes movement? (a) a water heater (b) a tube light (c) a toaster (d) a mixer grinder
  32. 32.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  34. 34.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  35. 35.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  37. 37.⚡ What does a tube light mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  38. 38.🔍 Which is the odd one out? (a) an electric toy car (b) an electric drill (c) a mixer grinder (d) a toaster
  39. 39.🔍 Which is the odd one out? (a) a buzzer (b) a rice cooker (c) a toaster (d) a room heater
  40. 40.Which of these gives us electricity? (a) a washing machine (b) a television (c) a power station (d) a mobile phone

Answer key

  1. sound
  2. electric current
  3. a loudspeaker
  4. a ceiling fan
  5. True
  6. True
  7. False
  8. heat
  9. a cell
  10. an electric toy car
  11. a washing machine
  12. an electric toy car
  13. gives electricity
  14. gives electricity
  15. a computer
  16. movement energy
  17. uses electricity
  18. heat
  19. sound
  20. movement
  21. a television
  22. electrical energy
  23. a tube light
  24. gives electricity
  25. True
  26. movement
  27. an electric iron
  28. movement energy
  29. a solar panel
  30. an exhaust fan
  31. a mixer grinder
  32. gives electricity
  33. heat
  34. sound
  35. uses electricity
  36. movement
  37. light
  38. a toaster
  39. a buzzer
  40. a power station

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