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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 971 · 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.

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

Answer key

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

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