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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 411 · 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 television (b) a washing machine (c) a generator (d) a computer
  2. 2.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  3. 3.🔍 Which is the odd one out? (a) an exhaust fan (b) a tube light (c) a ceiling fan (d) a mixer grinder
  4. 4.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  5. 5.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  6. 6.True or false: an electric iron mainly gives out heat. (a) False (b) True
  7. 7.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) electrons (d) water drops
  8. 8.🔍 Which is the odd one out? (a) a night lamp (b) a torch (c) a street light (d) an electric drill
  9. 9.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) electric current (d) friction
  11. 11.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  12. 12.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  13. 13.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.Which of these mainly gives out heat? (a) a school bell (b) a buzzer (c) a rice cooker (d) a siren
  15. 15.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.Which of these uses electricity? (a) a power station (b) a bicycle dynamo (c) a solar panel (d) a computer
  17. 17.True or false: a night lamp mainly gives out light. (a) False (b) True
  18. 18.True or false: a ceiling fan mainly makes movement. (a) True (b) False
  19. 19.🔍 Which is the odd one out? (a) an LED lamp (b) a doorbell (c) a tube light (d) a torch
  20. 20.True or false: a buzzer mainly makes movement. (a) False (b) True
  21. 21.⚡ What does a street light mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  22. 22.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  23. 23.⚡ What does a room heater mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  24. 24.True or false: a siren mainly makes sound. (a) True (b) False
  25. 25.True or false: an LED lamp mainly gives out light. (a) True (b) False
  26. 26.True or false: a ceiling fan mainly makes sound. (a) True (b) False
  27. 27.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.Which of these mainly makes movement? (a) a ceiling fan (b) a tube light (c) a water heater (d) a doorbell
  29. 29.Which of these gives us electricity? (a) a mobile phone (b) an air conditioner (c) a computer (d) a wind turbine
  30. 30.Which of these gives us electricity? (a) a power station (b) an air conditioner (c) a mobile phone (d) a computer
  31. 31.Which of these mainly gives out heat? (a) a night lamp (b) a buzzer (c) an electric iron (d) a ceiling fan
  32. 32.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.Which of these mainly makes movement? (a) an electric drill (b) a school bell (c) an electric kettle (d) a room heater
  34. 34.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  35. 35.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) an air conditioner (d) a solar panel
  36. 36.True or false: a buzzer mainly gives out light. (a) True (b) False
  37. 37.Which of these gives us electricity? (a) a bicycle dynamo (b) a refrigerator (c) a water pump (d) a television
  38. 38.🔍 Which is the odd one out? (a) an electric drill (b) an exhaust fan (c) a ceiling fan (d) a loudspeaker
  39. 39.🔍 Which is the odd one out? (a) a night lamp (b) a traffic signal (c) a street light (d) a school bell
  40. 40.Which of these mainly makes sound? (a) a school bell (b) a night lamp (c) a mixer grinder (d) an electric kettle

Answer key

  1. a generator
  2. heat
  3. a tube light
  4. movement energy
  5. gives electricity
  6. True
  7. electrons
  8. an electric drill
  9. gives electricity
  10. electric current
  11. uses electricity
  12. sound
  13. gives electricity
  14. a rice cooker
  15. gives electricity
  16. a computer
  17. True
  18. True
  19. a doorbell
  20. False
  21. light
  22. movement
  23. heat
  24. True
  25. True
  26. False
  27. uses electricity
  28. a ceiling fan
  29. a wind turbine
  30. a power station
  31. an electric iron
  32. uses electricity
  33. an electric drill
  34. sound
  35. a solar panel
  36. False
  37. a bicycle dynamo
  38. a loudspeaker
  39. a school bell
  40. a school bell

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