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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 857 · 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 ceiling fan mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  2. 2.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  3. 3.True or false: an electric drill mainly makes movement. (a) False (b) True
  4. 4.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  5. 5.Which of these gives us electricity? (a) an air conditioner (b) a water pump (c) a computer (d) a cell
  6. 6.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric toy car (c) a ceiling fan (d) a school bell
  7. 7.True or false: a siren mainly gives out heat. (a) True (b) False
  8. 8.🔍 Which is the odd one out? (a) a table fan (b) a buzzer (c) a siren (d) a doorbell
  9. 9.⚡ What does a doorbell mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  10. 10.Which of these mainly gives out heat? (a) a street light (b) a rice cooker (c) a ceiling fan (d) a tube light
  11. 11.Which of these mainly gives out light? (a) a room heater (b) a torch (c) an electric kettle (d) a rice cooker
  12. 12.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) wind energy (c) light energy (d) sound energy
  13. 13.True or false: a tube light mainly gives out heat. (a) True (b) False
  14. 14.True or false: a tube light mainly makes sound. (a) True (b) False
  15. 15.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  16. 16.True or false: a night lamp mainly gives out light. (a) True (b) False
  17. 17.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  18. 18.True or false: a water heater mainly gives out heat. (a) False (b) True
  19. 19.Which of these uses electricity? (a) a computer (b) a power station (c) a solar panel (d) a wind turbine
  20. 20.True or false: a torch mainly makes movement. (a) True (b) False
  21. 21.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  22. 22.⚡ What does a torch mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  23. 23.⚡ What does a tube light mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  24. 24.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  25. 25.🔍 Which is the odd one out? (a) a ceiling fan (b) an exhaust fan (c) a table fan (d) a loudspeaker
  26. 26.⚡ What does a siren mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  27. 27.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) friction (d) a magnet
  28. 28.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.🔍 Which is the odd one out? (a) a traffic signal (b) an electric drill (c) a torch (d) a tube light
  30. 30.Which of these mainly gives out light? (a) a school bell (b) a doorbell (c) an electric drill (d) a tube light
  31. 31.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  32. 32.Which of these gives us electricity? (a) a washing machine (b) a television (c) a mobile phone (d) a power station
  33. 33.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  34. 34.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) sound energy (d) electrical energy
  35. 35.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.Which of these uses electricity? (a) a solar panel (b) a bicycle dynamo (c) a washing machine (d) a wind turbine
  37. 37.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  38. 38.True or false: a torch mainly gives out light. (a) True (b) False
  39. 39.Which of these mainly makes sound? (a) a tube light (b) an LED lamp (c) an exhaust fan (d) a siren
  40. 40.True or false: a school bell mainly makes sound. (a) True (b) False

Answer key

  1. movement
  2. False
  3. True
  4. movement
  5. a cell
  6. a school bell
  7. False
  8. a table fan
  9. sound
  10. a rice cooker
  11. a torch
  12. light energy
  13. False
  14. False
  15. movement energy
  16. True
  17. movement energy
  18. True
  19. a computer
  20. False
  21. heat
  22. light
  23. light
  24. light
  25. a loudspeaker
  26. sound
  27. electric current
  28. uses electricity
  29. an electric drill
  30. a tube light
  31. movement
  32. a power station
  33. True
  34. electrical energy
  35. uses electricity
  36. a washing machine
  37. uses electricity
  38. True
  39. a siren
  40. True

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