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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 646 · 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) a torch (b) a water heater (c) a siren (d) a table fan
  2. 2.True or false: an electric toy car mainly makes movement. (a) False (b) True
  3. 3.True or false: a ceiling fan mainly makes sound. (a) False (b) True
  4. 4.Which of these mainly gives out light? (a) a siren (b) an electric drill (c) a school bell (d) a street light
  5. 5.True or false: an LED lamp mainly gives out light. (a) True (b) False
  6. 6.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.Which of these mainly gives out light? (a) a table fan (b) a mixer grinder (c) an electric kettle (d) a tube light
  8. 8.Which of these gives us electricity? (a) a television (b) a solar panel (c) a computer (d) an air conditioner
  9. 9.🔍 Which is the odd one out? (a) a loudspeaker (b) a doorbell (c) a toaster (d) a buzzer
  10. 10.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) photons (d) electrons
  11. 11.⚡ What does a room heater mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  12. 12.Which of these mainly makes sound? (a) a loudspeaker (b) a rice cooker (c) a street light (d) a torch
  13. 13.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  14. 14.Which of these gives us electricity? (a) a washing machine (b) a water pump (c) a bicycle dynamo (d) a computer
  15. 15.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  16. 16.⚡ What does an electric iron mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  17. 17.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.True or false: a siren mainly makes sound. (a) False (b) True
  19. 19.Which of these mainly makes sound? (a) a rice cooker (b) an exhaust fan (c) a doorbell (d) a torch
  20. 20.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  21. 21.Which of these uses electricity? (a) a battery (b) a bicycle dynamo (c) a washing machine (d) a solar panel
  22. 22.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) sound energy (d) electrical energy
  23. 23.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.⚡ What does an electric drill mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  25. 25.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.🔍 Which is the odd one out? (a) a tube light (b) an LED lamp (c) a street light (d) an electric iron
  27. 27.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) light energy (d) chemical energy
  28. 28.Which of these mainly makes movement? (a) a mixer grinder (b) a night lamp (c) a room heater (d) a street light
  29. 29.True or false: a mixer grinder mainly gives out heat. (a) False (b) True
  30. 30.Which of these gives us electricity? (a) a refrigerator (b) a power station (c) a computer (d) a television
  31. 31.🔍 Which is the odd one out? (a) a mixer grinder (b) a loudspeaker (c) an exhaust fan (d) a table fan
  32. 32.Which of these mainly gives out light? (a) an LED lamp (b) a toaster (c) an electric kettle (d) a loudspeaker
  33. 33.Which of these uses electricity? (a) a cell (b) a generator (c) a battery (d) a computer
  34. 34.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  35. 35.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) an electric kettle (d) a school bell
  37. 37.Which of these gives us electricity? (a) a mobile phone (b) a washing machine (c) a battery (d) a computer
  38. 38.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  39. 39.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) wind energy (d) sound energy
  40. 40.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

  1. a torch
  2. True
  3. False
  4. a street light
  5. True
  6. uses electricity
  7. a tube light
  8. a solar panel
  9. a toaster
  10. electrons
  11. heat
  12. a loudspeaker
  13. True
  14. a bicycle dynamo
  15. electric current
  16. heat
  17. gives electricity
  18. True
  19. a doorbell
  20. True
  21. a washing machine
  22. electrical energy
  23. gives electricity
  24. movement
  25. uses electricity
  26. an electric iron
  27. movement energy
  28. a mixer grinder
  29. False
  30. a power station
  31. a loudspeaker
  32. an LED lamp
  33. a computer
  34. heat
  35. gives electricity
  36. an electric kettle
  37. a battery
  38. False
  39. light energy
  40. gives electricity

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