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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 717 · 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 mainly makes movement? (a) a rice cooker (b) an electric kettle (c) a loudspeaker (d) an electric toy car
  2. 2.⚡ What does a table fan mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  3. 3.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.⚡ What does a tube light mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  6. 6.Which of these uses electricity? (a) a power station (b) a cell (c) a battery (d) a television
  7. 7.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.Which of these mainly gives out heat? (a) an LED lamp (b) a loudspeaker (c) an electric drill (d) an electric kettle
  9. 9.Which of these mainly gives out heat? (a) a torch (b) a room heater (c) an exhaust fan (d) a traffic signal
  10. 10.⚡ What does a night lamp mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  11. 11.⚡ What does a toaster mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  12. 12.True or false: an electric iron mainly gives out light. (a) True (b) False
  13. 13.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.Which of these uses electricity? (a) a bicycle dynamo (b) a computer (c) a cell (d) a power station
  15. 15.True or false: a loudspeaker mainly makes movement. (a) False (b) True
  16. 16.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.Which of these mainly makes movement? (a) an LED lamp (b) a buzzer (c) an electric drill (d) a doorbell
  18. 18.⚡ What does a water heater mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  19. 19.⚡ What does a traffic signal mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  20. 20.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  21. 21.Which of these gives us electricity? (a) a mobile phone (b) a solar panel (c) a television (d) a washing machine
  22. 22.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  23. 23.Which of these mainly makes sound? (a) an electric kettle (b) a street light (c) a mixer grinder (d) a doorbell
  24. 24.🔍 Which is the odd one out? (a) a water heater (b) a school bell (c) an electric iron (d) a room heater
  25. 25.Which of these gives us electricity? (a) a television (b) a computer (c) a cell (d) a mobile phone
  26. 26.True or false: a night lamp mainly gives out heat. (a) True (b) False
  27. 27.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) movement energy (c) light energy (d) sound energy
  28. 28.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  29. 29.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) chemical energy (d) sound energy
  31. 31.⚡ What does an electric drill mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  32. 32.🔍 Which is the odd one out? (a) an LED lamp (b) a loudspeaker (c) a traffic signal (d) a tube light
  33. 33.🔍 Which is the odd one out? (a) a torch (b) a toaster (c) an electric kettle (d) a room heater
  34. 34.Which of these uses electricity? (a) a generator (b) an air conditioner (c) a bicycle dynamo (d) a solar panel
  35. 35.True or false: an LED lamp mainly gives out heat. (a) False (b) True
  36. 36.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) a magnet (d) sound
  37. 37.Which of these mainly makes sound? (a) a tube light (b) a traffic signal (c) a buzzer (d) a room heater
  38. 38.Which of these mainly gives out heat? (a) an LED lamp (b) a rice cooker (c) a buzzer (d) an exhaust fan
  39. 39.Which of these mainly gives out light? (a) a loudspeaker (b) an electric toy car (c) a tube light (d) a table fan
  40. 40.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) wind energy (d) nuclear energy

Answer key

  1. an electric toy car
  2. movement
  3. uses electricity
  4. gives electricity
  5. light
  6. a television
  7. gives electricity
  8. an electric kettle
  9. a room heater
  10. light
  11. heat
  12. False
  13. gives electricity
  14. a computer
  15. False
  16. uses electricity
  17. an electric drill
  18. heat
  19. light
  20. movement
  21. a solar panel
  22. sound
  23. a doorbell
  24. a school bell
  25. a cell
  26. False
  27. movement energy
  28. gives electricity
  29. gives electricity
  30. movement energy
  31. movement
  32. a loudspeaker
  33. a torch
  34. an air conditioner
  35. False
  36. electric current
  37. a buzzer
  38. a rice cooker
  39. a tube light
  40. electrical energy

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