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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 108 · 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.

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

Answer key

  1. a washing machine
  2. a loudspeaker
  3. an electric drill
  4. uses electricity
  5. False
  6. uses electricity
  7. uses electricity
  8. a cell
  9. an electric toy car
  10. a wind turbine
  11. light
  12. a computer
  13. sound
  14. a traffic signal
  15. True
  16. movement energy
  17. a street light
  18. a solar panel
  19. a ceiling fan
  20. a siren
  21. a school bell
  22. movement
  23. light
  24. electrons
  25. movement energy
  26. a bicycle dynamo
  27. True
  28. a water heater
  29. gives electricity
  30. a toaster
  31. heat
  32. light
  33. gives electricity
  34. an electric iron
  35. False
  36. heat
  37. movement
  38. a torch
  39. gives electricity
  40. sound

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