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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 863 · 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.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  2. 2.Which of these mainly makes sound? (a) a loudspeaker (b) a torch (c) a water heater (d) a room heater
  3. 3.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  5. 5.Which of these uses electricity? (a) an air conditioner (b) a solar panel (c) a battery (d) a generator
  6. 6.🔍 Which is the odd one out? (a) a ceiling fan (b) a mixer grinder (c) a night lamp (d) an electric toy car
  7. 7.Which of these mainly gives out heat? (a) an exhaust fan (b) a room heater (c) an electric toy car (d) a traffic signal
  8. 8.Which of these gives us electricity? (a) a mobile phone (b) a refrigerator (c) a generator (d) a water pump
  9. 9.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.True or false: a siren mainly makes sound. (a) False (b) True
  11. 11.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  12. 12.Which of these mainly gives out light? (a) a water heater (b) a buzzer (c) a torch (d) a ceiling fan
  13. 13.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  14. 14.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  15. 15.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) chemical energy (c) sound energy (d) light energy
  16. 16.🔍 Which is the odd one out? (a) a torch (b) a school bell (c) a tube light (d) an LED lamp
  17. 17.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  18. 18.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.🔍 Which is the odd one out? (a) a mixer grinder (b) an exhaust fan (c) a table fan (d) a water heater
  20. 20.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  21. 21.⚡ What does an electric iron mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  22. 22.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a doorbell (d) a traffic signal
  23. 23.🔍 Which is the odd one out? (a) an electric kettle (b) a ceiling fan (c) a room heater (d) a rice cooker
  24. 24.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.Which of these mainly gives out heat? (a) a night lamp (b) an electric kettle (c) a loudspeaker (d) a traffic signal
  26. 26.True or false: an electric iron mainly gives out light. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) an exhaust fan (b) a buzzer (c) a siren (d) a doorbell
  28. 28.Which of these gives us electricity? (a) a water pump (b) a mobile phone (c) a power station (d) a washing machine
  29. 29.Which of these mainly makes movement? (a) a table fan (b) an LED lamp (c) a tube light (d) a school bell
  30. 30.Which of these uses electricity? (a) a mobile phone (b) a battery (c) a cell (d) a solar panel
  31. 31.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  32. 32.Which of these mainly makes sound? (a) a street light (b) a mixer grinder (c) a siren (d) a room heater
  33. 33.True or false: an LED lamp mainly gives out light. (a) True (b) False
  34. 34.⚡ What does a toaster mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  35. 35.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  36. 36.🔍 Which is the odd one out? (a) a table fan (b) a loudspeaker (c) a doorbell (d) a siren
  37. 37.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) chemical energy (d) sound energy
  38. 38.Which of these mainly makes sound? (a) a doorbell (b) a ceiling fan (c) an electric toy car (d) an electric iron
  39. 39.🔍 Which is the odd one out? (a) an electric kettle (b) an electric iron (c) a doorbell (d) a rice cooker
  40. 40.True or false: a table fan mainly gives out light. (a) False (b) True

Answer key

  1. gives electricity
  2. a loudspeaker
  3. uses electricity
  4. electrons
  5. an air conditioner
  6. a night lamp
  7. a room heater
  8. a generator
  9. uses electricity
  10. True
  11. sound
  12. a torch
  13. True
  14. electrical energy
  15. movement energy
  16. a school bell
  17. movement energy
  18. uses electricity
  19. a water heater
  20. movement
  21. heat
  22. a traffic signal
  23. a ceiling fan
  24. uses electricity
  25. an electric kettle
  26. False
  27. an exhaust fan
  28. a power station
  29. a table fan
  30. a mobile phone
  31. gives electricity
  32. a siren
  33. True
  34. heat
  35. light
  36. a table fan
  37. light energy
  38. a doorbell
  39. a doorbell
  40. False

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