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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 792 · 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 uses electricity? (a) a power station (b) a generator (c) a washing machine (d) a bicycle dynamo
  2. 2.⚡ What does a torch mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  3. 3.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) sound energy (c) wind energy (d) chemical energy
  5. 5.Which of these mainly gives out light? (a) a table fan (b) a street light (c) an electric iron (d) a buzzer
  6. 6.🔍 Which is the odd one out? (a) an electric drill (b) a tube light (c) a ceiling fan (d) a mixer grinder
  7. 7.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) a buzzer (d) an electric iron
  8. 8.Which of these gives us electricity? (a) a computer (b) a cell (c) a television (d) a washing machine
  9. 9.⚡ What does a buzzer mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  10. 10.Which of these mainly makes sound? (a) a street light (b) a buzzer (c) an electric kettle (d) a rice cooker
  11. 11.Which of these mainly gives out heat? (a) an electric kettle (b) a ceiling fan (c) a traffic signal (d) a street light
  12. 12.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) water drops (d) electrons
  13. 13.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  14. 14.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  15. 15.⚡ What does a street light mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  16. 16.Which of these mainly makes movement? (a) a school bell (b) an electric toy car (c) a rice cooker (d) a siren
  17. 17.🔍 Which is the odd one out? (a) a mixer grinder (b) a ceiling fan (c) a night lamp (d) a table fan
  18. 18.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  19. 19.🔍 Which is the odd one out? (a) a tube light (b) a traffic signal (c) a doorbell (d) a street light
  20. 20.⚡ What does a tube light mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  21. 21.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  22. 22.⚡ What does a school bell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  23. 23.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  24. 24.⚡ What does a doorbell mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  25. 25.Which of these mainly makes sound? (a) a ceiling fan (b) a street light (c) a tube light (d) a siren
  26. 26.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) sound (d) friction
  27. 27.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.True or false: a night lamp mainly gives out light. (a) False (b) True
  29. 29.Which of these mainly gives out heat? (a) an electric toy car (b) a loudspeaker (c) a torch (d) an electric iron
  30. 30.True or false: an electric toy car mainly makes movement. (a) False (b) True
  31. 31.Which of these mainly gives out light? (a) an electric drill (b) an electric iron (c) an electric kettle (d) a traffic signal
  32. 32.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) a generator (d) a washing machine
  33. 33.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  34. 34.Which of these mainly gives out heat? (a) an electric drill (b) a doorbell (c) an LED lamp (d) a rice cooker
  35. 35.⚡ What does an electric drill mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  36. 36.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  37. 37.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  38. 38.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  39. 39.Which of these mainly makes sound? (a) an electric kettle (b) a street light (c) a doorbell (d) a rice cooker
  40. 40.Which of these mainly makes movement? (a) a street light (b) a buzzer (c) a night lamp (d) an exhaust fan

Answer key

  1. a washing machine
  2. light
  3. uses electricity
  4. light energy
  5. a street light
  6. a tube light
  7. an electric iron
  8. a cell
  9. sound
  10. a buzzer
  11. an electric kettle
  12. electrons
  13. True
  14. movement
  15. light
  16. an electric toy car
  17. a night lamp
  18. movement energy
  19. a doorbell
  20. light
  21. movement
  22. sound
  23. movement
  24. sound
  25. a siren
  26. electric current
  27. uses electricity
  28. True
  29. an electric iron
  30. True
  31. a traffic signal
  32. a generator
  33. gives electricity
  34. a rice cooker
  35. movement
  36. movement energy
  37. heat
  38. uses electricity
  39. a doorbell
  40. an exhaust fan

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