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Electronics Worksheet: Electricity and Energy

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

Answer key

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

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