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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 503 · 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) an electric iron (b) an electric drill (c) a siren (d) a loudspeaker
  2. 2.🔍 Which is the odd one out? (a) a toaster (b) a mixer grinder (c) an exhaust fan (d) a table fan
  3. 3.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.True or false: a buzzer mainly gives out heat. (a) True (b) False
  5. 5.Which of these gives us electricity? (a) a refrigerator (b) a wind turbine (c) a water pump (d) a mobile phone
  6. 6.Which of these mainly gives out light? (a) an electric drill (b) a traffic signal (c) a toaster (d) a table fan
  7. 7.Which of these mainly makes movement? (a) a room heater (b) a torch (c) a table fan (d) a night lamp
  8. 8.Which of these mainly makes sound? (a) an exhaust fan (b) a mixer grinder (c) an electric iron (d) a doorbell
  9. 9.Which of these mainly gives out heat? (a) an LED lamp (b) a rice cooker (c) a mixer grinder (d) a buzzer
  10. 10.Which of these gives us electricity? (a) a television (b) an air conditioner (c) a mobile phone (d) a battery
  11. 11.Which of these gives us electricity? (a) a cell (b) a computer (c) a television (d) a mobile phone
  12. 12.Which of these mainly gives out heat? (a) an LED lamp (b) an electric iron (c) a ceiling fan (d) a mixer grinder
  13. 13.⚡ What does a street light mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  14. 14.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) a torch (d) a doorbell
  15. 15.Which of these mainly gives out light? (a) an electric drill (b) a siren (c) a night lamp (d) a toaster
  16. 16.⚡ What does a siren mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  17. 17.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  19. 19.🔍 Which is the odd one out? (a) a tube light (b) a loudspeaker (c) a torch (d) a traffic signal
  20. 20.Which of these uses electricity? (a) a power station (b) a battery (c) a computer (d) a solar panel
  21. 21.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) dust particles (d) electrons
  22. 22.True or false: an LED lamp mainly makes sound. (a) True (b) False
  23. 23.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  24. 24.True or false: a buzzer mainly makes sound. (a) True (b) False
  25. 25.🔍 Which is the odd one out? (a) a rice cooker (b) an electric kettle (c) a water heater (d) a street light
  26. 26.Which of these gives us electricity? (a) a solar panel (b) a water pump (c) a refrigerator (d) a computer
  27. 27.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  28. 28.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  29. 29.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  30. 30.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) wind energy
  31. 31.Which of these gives us electricity? (a) an air conditioner (b) a generator (c) a refrigerator (d) a computer
  32. 32.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  33. 33.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) wind energy (d) nuclear energy
  34. 34.⚡ What does a torch mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  35. 35.True or false: a mixer grinder mainly gives out light. (a) False (b) True
  36. 36.Which of these mainly gives out light? (a) an electric drill (b) a ceiling fan (c) a tube light (d) a toaster
  37. 37.🔍 Which is the odd one out? (a) a loudspeaker (b) a doorbell (c) a siren (d) a rice cooker
  38. 38.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  39. 39.Which of these mainly makes sound? (a) a toaster (b) a loudspeaker (c) an electric kettle (d) a street light
  40. 40.Which of these mainly makes movement? (a) an LED lamp (b) an electric kettle (c) an electric toy car (d) a tube light

Answer key

  1. an electric drill
  2. a toaster
  3. uses electricity
  4. False
  5. a wind turbine
  6. a traffic signal
  7. a table fan
  8. a doorbell
  9. a rice cooker
  10. a battery
  11. a cell
  12. an electric iron
  13. light
  14. a doorbell
  15. a night lamp
  16. sound
  17. gives electricity
  18. electric current
  19. a loudspeaker
  20. a computer
  21. electrons
  22. False
  23. movement energy
  24. True
  25. a street light
  26. a solar panel
  27. movement energy
  28. gives electricity
  29. True
  30. light energy
  31. a generator
  32. light
  33. electrical energy
  34. light
  35. False
  36. a tube light
  37. a rice cooker
  38. True
  39. a loudspeaker
  40. an electric toy car

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