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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 781 · 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 doorbell mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  2. 2.Which of these uses electricity? (a) a solar panel (b) a battery (c) a generator (d) a computer
  3. 3.Which of these mainly makes sound? (a) a traffic signal (b) a room heater (c) a school bell (d) a street light
  4. 4.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  5. 5.Which of these mainly makes movement? (a) an electric toy car (b) a room heater (c) a buzzer (d) an electric iron
  6. 6.Which of these mainly gives out light? (a) a buzzer (b) a water heater (c) a night lamp (d) a siren
  7. 7.Which of these mainly gives out heat? (a) a rice cooker (b) a traffic signal (c) a ceiling fan (d) a night lamp
  8. 8.True or false: a ceiling fan mainly gives out light. (a) False (b) True
  9. 9.True or false: a room heater mainly makes sound. (a) True (b) False
  10. 10.True or false: a mixer grinder mainly gives out light. (a) False (b) True
  11. 11.🔍 Which is the odd one out? (a) a toaster (b) a tube light (c) an electric iron (d) a room heater
  12. 12.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric toy car (c) a buzzer (d) a ceiling fan
  13. 13.🔍 Which is the odd one out? (a) a night lamp (b) a street light (c) a table fan (d) a traffic signal
  14. 14.🔍 Which is the odd one out? (a) a siren (b) a water heater (c) a toaster (d) an electric iron
  15. 15.⚡ What does a buzzer mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  16. 16.🔍 Which is the odd one out? (a) a doorbell (b) an electric drill (c) a loudspeaker (d) a buzzer
  17. 17.Which of these uses electricity? (a) a battery (b) a generator (c) a power station (d) a water pump
  18. 18.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  19. 19.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  21. 21.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  22. 22.True or false: an exhaust fan mainly makes sound. (a) False (b) True
  23. 23.Which of these uses electricity? (a) a wind turbine (b) a solar panel (c) a battery (d) a mobile phone
  24. 24.True or false: a buzzer mainly makes sound. (a) False (b) True
  25. 25.True or false: an electric toy car mainly gives out light. (a) False (b) True
  26. 26.Which of these mainly makes sound? (a) a rice cooker (b) a room heater (c) a street light (d) a doorbell
  27. 27.🔍 Which is the odd one out? (a) a ceiling fan (b) a torch (c) a night lamp (d) a street light
  28. 28.Which of these gives us electricity? (a) a television (b) a mobile phone (c) a water pump (d) a generator
  29. 29.Which of these gives us electricity? (a) a bicycle dynamo (b) a television (c) a water pump (d) a mobile phone
  30. 30.True or false: a water heater mainly gives out heat. (a) False (b) True
  31. 31.⚡ What does an electric drill mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  32. 32.Which of these mainly gives out heat? (a) an LED lamp (b) a mixer grinder (c) a toaster (d) a traffic signal
  33. 33.Which of these gives us electricity? (a) a battery (b) a computer (c) a refrigerator (d) an air conditioner
  34. 34.True or false: a night lamp mainly makes movement. (a) False (b) True
  35. 35.Which of these mainly makes movement? (a) a room heater (b) a buzzer (c) a ceiling fan (d) a loudspeaker
  36. 36.True or false: a siren mainly gives out light. (a) True (b) False
  37. 37.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) water drops (d) dust particles
  38. 38.Which of these mainly gives out light? (a) a room heater (b) a water heater (c) a torch (d) an electric drill
  39. 39.Which of these mainly gives out heat? (a) a night lamp (b) an electric iron (c) a doorbell (d) an LED lamp
  40. 40.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity

Answer key

  1. sound
  2. a computer
  3. a school bell
  4. gives electricity
  5. an electric toy car
  6. a night lamp
  7. a rice cooker
  8. False
  9. False
  10. False
  11. a tube light
  12. a buzzer
  13. a table fan
  14. a siren
  15. sound
  16. an electric drill
  17. a water pump
  18. movement energy
  19. gives electricity
  20. light
  21. movement energy
  22. False
  23. a mobile phone
  24. True
  25. False
  26. a doorbell
  27. a ceiling fan
  28. a generator
  29. a bicycle dynamo
  30. True
  31. movement
  32. a toaster
  33. a battery
  34. False
  35. a ceiling fan
  36. False
  37. electrons
  38. a torch
  39. an electric iron
  40. gives electricity

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