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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 697 · 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 water pump (b) a wind turbine (c) a refrigerator (d) an air conditioner
  2. 2.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  3. 3.🔍 Which is the odd one out? (a) a loudspeaker (b) an LED lamp (c) a street light (d) a tube light
  4. 4.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.🔍 Which is the odd one out? (a) an electric toy car (b) an electric drill (c) a water heater (d) a mixer grinder
  6. 6.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) chemical energy (c) light energy (d) sound energy
  7. 7.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a power station (d) a television
  8. 8.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  9. 9.Which of these mainly gives out heat? (a) a siren (b) a night lamp (c) an exhaust fan (d) a rice cooker
  10. 10.True or false: a doorbell mainly makes sound. (a) False (b) True
  11. 11.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.⚡ What does a school bell mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  13. 13.🔍 Which is the odd one out? (a) a rice cooker (b) a traffic signal (c) a toaster (d) a water heater
  14. 14.⚡ What does an electric iron mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  15. 15.Which of these mainly makes sound? (a) a tube light (b) an LED lamp (c) a torch (d) a loudspeaker
  16. 16.Which of these gives us electricity? (a) a computer (b) a battery (c) a washing machine (d) a water pump
  17. 17.🔍 Which is the odd one out? (a) a street light (b) a traffic signal (c) a toaster (d) an LED lamp
  18. 18.True or false: a loudspeaker mainly makes movement. (a) False (b) True
  19. 19.Which of these uses electricity? (a) a generator (b) a battery (c) a power station (d) a television
  20. 20.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.True or false: a ceiling fan mainly gives out light. (a) True (b) False
  23. 23.⚡ What does a street light mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  24. 24.🔍 Which is the odd one out? (a) a traffic signal (b) a night lamp (c) an LED lamp (d) a room heater
  25. 25.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) movement energy (d) sound energy
  26. 26.🔍 Which is the odd one out? (a) a tube light (b) a rice cooker (c) a night lamp (d) a traffic signal
  27. 27.Which of these mainly gives out heat? (a) a traffic signal (b) an electric toy car (c) a toaster (d) an exhaust fan
  28. 28.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) sound (c) a magnet (d) friction
  29. 29.True or false: a street light mainly gives out light. (a) True (b) False
  30. 30.Which of these uses electricity? (a) a water pump (b) a wind turbine (c) a generator (d) a solar panel
  31. 31.True or false: an exhaust fan mainly makes sound. (a) False (b) True
  32. 32.⚡ What does a water heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  33. 33.Which of these mainly makes movement? (a) an LED lamp (b) a buzzer (c) a toaster (d) a ceiling fan
  34. 34.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  35. 35.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.Which of these mainly gives out heat? (a) a ceiling fan (b) a table fan (c) an electric iron (d) a doorbell
  37. 37.Which of these gives us electricity? (a) a washing machine (b) a television (c) a cell (d) an air conditioner
  38. 38.🔍 Which is the odd one out? (a) a mixer grinder (b) an exhaust fan (c) a ceiling fan (d) a street light
  39. 39.True or false: a torch mainly gives out light. (a) False (b) True
  40. 40.Which of these mainly gives out light? (a) an electric kettle (b) an electric toy car (c) an LED lamp (d) a doorbell

Answer key

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

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