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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 453 · 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.Which of these gives us electricity? (a) a generator (b) a washing machine (c) a mobile phone (d) a television
  2. 2.True or false: a school bell mainly makes sound. (a) False (b) True
  3. 3.True or false: a street light mainly gives out light. (a) True (b) False
  4. 4.True or false: a torch mainly gives out light. (a) False (b) True
  5. 5.Which of these mainly makes sound? (a) a doorbell (b) a night lamp (c) a traffic signal (d) a mixer grinder
  6. 6.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.Which of these mainly makes movement? (a) a loudspeaker (b) a street light (c) a toaster (d) a ceiling fan
  8. 8.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) wind energy (d) chemical energy
  9. 9.⚡ What does an electric iron mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  10. 10.Which of these mainly gives out light? (a) a buzzer (b) a water heater (c) a siren (d) a tube light
  11. 11.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  12. 12.Which of these uses electricity? (a) a wind turbine (b) a solar panel (c) a bicycle dynamo (d) a television
  13. 13.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a battery (d) a computer
  14. 14.Which of these gives us electricity? (a) a refrigerator (b) a power station (c) a washing machine (d) a water pump
  15. 15.🔍 Which is the odd one out? (a) a rice cooker (b) a school bell (c) a buzzer (d) a doorbell
  16. 16.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.⚡ What does an electric toy car mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  18. 18.🔍 Which is the odd one out? (a) an LED lamp (b) an electric kettle (c) a toaster (d) a rice cooker
  19. 19.True or false: an electric iron mainly makes sound. (a) False (b) True
  20. 20.Which of these gives us electricity? (a) a washing machine (b) a water pump (c) a wind turbine (d) an air conditioner
  21. 21.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) sound (c) friction (d) a magnet
  23. 23.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  25. 25.True or false: an exhaust fan mainly gives out heat. (a) False (b) True
  26. 26.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.Which of these mainly gives out heat? (a) an LED lamp (b) an electric drill (c) a mixer grinder (d) an electric iron
  28. 28.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  29. 29.🔍 Which is the odd one out? (a) a toaster (b) an electric iron (c) a room heater (d) an exhaust fan
  30. 30.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.🔍 Which is the odd one out? (a) an electric iron (b) a toaster (c) a rice cooker (d) a tube light
  32. 32.Which of these mainly gives out heat? (a) a night lamp (b) an electric kettle (c) an electric drill (d) a buzzer
  33. 33.⚡ What does a water heater mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  34. 34.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  35. 35.True or false: a room heater mainly gives out light. (a) True (b) False
  36. 36.⚡ What does a table fan mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  37. 37.⚡ What does a ceiling fan mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  38. 38.⚡ What does a buzzer mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  39. 39.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) sound energy (c) electrical energy (d) wind energy
  40. 40.Which of these mainly makes sound? (a) an LED lamp (b) an electric kettle (c) a tube light (d) a buzzer

Answer key

  1. a generator
  2. True
  3. True
  4. True
  5. a doorbell
  6. uses electricity
  7. a ceiling fan
  8. light energy
  9. heat
  10. a tube light
  11. movement
  12. a television
  13. a battery
  14. a power station
  15. a rice cooker
  16. uses electricity
  17. movement
  18. an LED lamp
  19. False
  20. a wind turbine
  21. gives electricity
  22. electric current
  23. gives electricity
  24. movement energy
  25. False
  26. gives electricity
  27. an electric iron
  28. movement energy
  29. an exhaust fan
  30. gives electricity
  31. a tube light
  32. an electric kettle
  33. heat
  34. heat
  35. False
  36. movement
  37. movement
  38. sound
  39. electrical energy
  40. a buzzer

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