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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. light
  2. gives electricity
  3. an air conditioner
  4. gives electricity
  5. light
  6. a school bell
  7. a buzzer
  8. uses electricity
  9. heat
  10. heat
  11. an exhaust fan
  12. a tube light
  13. False
  14. a rice cooker
  15. movement energy
  16. gives electricity
  17. a mixer grinder
  18. gives electricity
  19. False
  20. a power station
  21. a table fan
  22. an electric kettle
  23. gives electricity
  24. True
  25. an LED lamp
  26. False
  27. a tube light
  28. a television
  29. movement
  30. an exhaust fan
  31. electrons
  32. gives electricity
  33. a loudspeaker
  34. a wind turbine
  35. sound
  36. a computer
  37. False
  38. a toaster
  39. False
  40. False

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