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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 882 · 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 is the odd one out? (a) a buzzer (b) a street light (c) a siren (d) a doorbell
  2. 2.Which of these mainly makes sound? (a) a loudspeaker (b) a mixer grinder (c) a street light (d) an exhaust fan
  3. 3.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  4. 4.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  5. 5.True or false: an electric toy car mainly gives out heat. (a) True (b) False
  6. 6.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.⚡ What does a siren mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  8. 8.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a television (d) a solar panel
  9. 9.Which of these mainly gives out light? (a) a toaster (b) a buzzer (c) a table fan (d) a street light
  10. 10.⚡ What does an LED lamp mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  11. 11.Which of these gives us electricity? (a) a cell (b) a computer (c) a mobile phone (d) a washing machine
  12. 12.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  13. 13.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.True or false: a ceiling fan mainly makes movement. (a) True (b) False
  15. 15.True or false: a tube light mainly makes movement. (a) True (b) False
  16. 16.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric drill (c) an electric toy car (d) a water heater
  17. 17.⚡ What does a toaster mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  18. 18.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) chemical energy (c) light energy (d) movement energy
  19. 19.True or false: an electric iron mainly makes sound. (a) True (b) False
  20. 20.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) movement energy (d) sound energy
  21. 21.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.Which of these mainly gives out light? (a) a siren (b) an electric kettle (c) a rice cooker (d) a night lamp
  23. 23.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  24. 24.Which of these gives us electricity? (a) a washing machine (b) a television (c) a generator (d) a mobile phone
  25. 25.Which of these uses electricity? (a) a battery (b) a generator (c) a mobile phone (d) a power station
  26. 26.Which of these mainly gives out heat? (a) a mixer grinder (b) a buzzer (c) an LED lamp (d) a toaster
  27. 27.⚡ What does a buzzer mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  28. 28.True or false: an exhaust fan mainly gives out heat. (a) True (b) False
  29. 29.⚡ What does an electric toy car mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  30. 30.Which of these mainly makes movement? (a) an electric toy car (b) a tube light (c) an LED lamp (d) a siren
  31. 31.⚡ What does a tube light mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  32. 32.Which of these gives us electricity? (a) a battery (b) a water pump (c) a computer (d) a mobile phone
  33. 33.⚡ What does a school bell mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  34. 34.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) sound energy (d) electrical energy
  35. 35.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.🔍 Which is the odd one out? (a) a mixer grinder (b) a torch (c) an electric drill (d) a ceiling fan
  37. 37.⚡ What does a table fan mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  38. 38.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.⚡ What does an electric iron mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  40. 40.🔍 Which is the odd one out? (a) a traffic signal (b) a night lamp (c) a street light (d) an electric drill

Answer key

  1. a street light
  2. a loudspeaker
  3. True
  4. electrons
  5. False
  6. gives electricity
  7. sound
  8. a solar panel
  9. a street light
  10. light
  11. a cell
  12. movement
  13. uses electricity
  14. True
  15. False
  16. a water heater
  17. heat
  18. movement energy
  19. False
  20. movement energy
  21. gives electricity
  22. a night lamp
  23. light
  24. a generator
  25. a mobile phone
  26. a toaster
  27. sound
  28. False
  29. movement
  30. an electric toy car
  31. light
  32. a battery
  33. sound
  34. electrical energy
  35. uses electricity
  36. a torch
  37. movement
  38. gives electricity
  39. heat
  40. an electric drill

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