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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 972 · 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.Which of these gives us electricity? (a) a computer (b) a television (c) a water pump (d) a cell
  2. 2.Which of these mainly gives out light? (a) a tube light (b) an exhaust fan (c) a doorbell (d) a loudspeaker
  3. 3.Which of these gives us electricity? (a) a mobile phone (b) a wind turbine (c) a computer (d) a washing machine
  4. 4.Which of these uses electricity? (a) a cell (b) a solar panel (c) a battery (d) an air conditioner
  5. 5.Which of these gives us electricity? (a) a washing machine (b) a refrigerator (c) a computer (d) a power station
  6. 6.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.True or false: a tube light mainly makes sound. (a) False (b) True
  8. 8.🔍 Which is the odd one out? (a) a traffic signal (b) a table fan (c) an LED lamp (d) a street light
  9. 9.🔍 Which is the odd one out? (a) an electric kettle (b) a rice cooker (c) an exhaust fan (d) a toaster
  10. 10.🔍 Which is the odd one out? (a) a room heater (b) a mixer grinder (c) a table fan (d) an electric toy car
  11. 11.⚡ What does a torch mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  12. 12.True or false: a water heater mainly makes movement. (a) False (b) True
  13. 13.⚡ What does a doorbell mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  14. 14.Which of these mainly gives out light? (a) a loudspeaker (b) a water heater (c) a street light (d) a toaster
  15. 15.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.Which of these gives us electricity? (a) a bicycle dynamo (b) a washing machine (c) a mobile phone (d) a computer
  17. 17.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  18. 18.Which of these uses electricity? (a) a wind turbine (b) a bicycle dynamo (c) a solar panel (d) a television
  19. 19.⚡ What does a toaster mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  20. 20.Which of these uses electricity? (a) a cell (b) a wind turbine (c) a generator (d) a refrigerator
  21. 21.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) sound (d) friction
  23. 23.⚡ What does an electric iron mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  24. 24.Which of these mainly gives out light? (a) an electric iron (b) a torch (c) a table fan (d) an exhaust fan
  25. 25.🔍 Which is the odd one out? (a) an LED lamp (b) a traffic signal (c) a night lamp (d) a school bell
  26. 26.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  27. 27.True or false: a street light mainly gives out heat. (a) True (b) False
  28. 28.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  29. 29.True or false: a table fan mainly makes movement. (a) True (b) False
  30. 30.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) sound energy (d) electrical energy
  31. 31.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) wind energy (d) chemical energy
  32. 32.⚡ What does a room heater mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  33. 33.True or false: a school bell mainly gives out light. (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) a doorbell (d) a tube light
  35. 35.Which of these uses electricity? (a) a solar panel (b) a bicycle dynamo (c) a generator (d) a computer
  36. 36.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  38. 38.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) movement energy (c) light energy (d) sound energy
  39. 39.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.⚡ What does a tube light mainly change electricity into? (a) sound (b) movement (c) light (d) heat

Answer key

  1. a cell
  2. a tube light
  3. a wind turbine
  4. an air conditioner
  5. a power station
  6. uses electricity
  7. False
  8. a table fan
  9. an exhaust fan
  10. a room heater
  11. light
  12. False
  13. sound
  14. a street light
  15. uses electricity
  16. a bicycle dynamo
  17. movement
  18. a television
  19. heat
  20. a refrigerator
  21. gives electricity
  22. electric current
  23. heat
  24. a torch
  25. a school bell
  26. uses electricity
  27. False
  28. True
  29. True
  30. electrical energy
  31. light energy
  32. heat
  33. False
  34. a doorbell
  35. a computer
  36. gives electricity
  37. gives electricity
  38. movement energy
  39. gives electricity
  40. light

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