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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 224 · 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.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  2. 2.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  3. 3.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  4. 4.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.🔍 Which is the odd one out? (a) a tube light (b) an LED lamp (c) a torch (d) a doorbell
  6. 6.⚡ What does a rice cooker mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  7. 7.⚡ What does a buzzer mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  8. 8.Which of these mainly gives out light? (a) a room heater (b) a doorbell (c) a siren (d) an LED lamp
  9. 9.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  10. 10.🔍 Which is the odd one out? (a) an electric iron (b) a torch (c) a water heater (d) a rice cooker
  11. 11.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.Which of these mainly makes sound? (a) a ceiling fan (b) a room heater (c) a tube light (d) a buzzer
  13. 13.True or false: a room heater mainly gives out heat. (a) False (b) True
  14. 14.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) chemical energy (d) light energy
  15. 15.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a computer (d) a battery
  16. 16.🔍 Which is the odd one out? (a) a siren (b) a loudspeaker (c) a table fan (d) a buzzer
  17. 17.Which of these mainly gives out heat? (a) a night lamp (b) an electric toy car (c) a toaster (d) a street light
  18. 18.🔍 Which is the odd one out? (a) a rice cooker (b) a night lamp (c) a toaster (d) a water heater
  19. 19.Which of these gives us electricity? (a) an air conditioner (b) a wind turbine (c) a washing machine (d) a refrigerator
  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.Which of these mainly makes movement? (a) a torch (b) a school bell (c) an electric kettle (d) an electric drill
  22. 22.🔍 Which is the odd one out? (a) a loudspeaker (b) a torch (c) a street light (d) a tube light
  23. 23.Which of these gives us electricity? (a) a television (b) a refrigerator (c) a washing machine (d) a power station
  24. 24.⚡ What does a school bell mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  25. 25.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.Which of these uses electricity? (a) a bicycle dynamo (b) a wind turbine (c) a water pump (d) a battery
  27. 27.🔍 Which is the odd one out? (a) a loudspeaker (b) a doorbell (c) a school bell (d) a room heater
  28. 28.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.True or false: an LED lamp mainly gives out light. (a) False (b) True
  30. 30.True or false: a traffic signal mainly gives out heat. (a) True (b) False
  31. 31.Which of these uses electricity? (a) a power station (b) a computer (c) a solar panel (d) a bicycle dynamo
  32. 32.Which of these mainly gives out heat? (a) a street light (b) a traffic signal (c) an electric toy car (d) a water heater
  33. 33.Which of these mainly makes sound? (a) a rice cooker (b) a street light (c) an exhaust fan (d) a siren
  34. 34.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  35. 35.⚡ What does a torch mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  36. 36.Which of these uses electricity? (a) a refrigerator (b) a power station (c) a generator (d) a battery
  37. 37.⚡ What does an electric drill mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  38. 38.Which of these mainly makes sound? (a) a street light (b) an electric toy car (c) an LED lamp (d) a loudspeaker
  39. 39.Which of these gives us electricity? (a) a cell (b) a washing machine (c) an air conditioner (d) a computer
  40. 40.True or false: a buzzer mainly makes movement. (a) False (b) True

Answer key

  1. movement energy
  2. light
  3. electrons
  4. gives electricity
  5. a doorbell
  6. heat
  7. sound
  8. an LED lamp
  9. movement
  10. a torch
  11. uses electricity
  12. a buzzer
  13. True
  14. light energy
  15. a battery
  16. a table fan
  17. a toaster
  18. a night lamp
  19. a wind turbine
  20. movement energy
  21. an electric drill
  22. a loudspeaker
  23. a power station
  24. sound
  25. gives electricity
  26. a water pump
  27. a room heater
  28. gives electricity
  29. True
  30. False
  31. a computer
  32. a water heater
  33. a siren
  34. gives electricity
  35. light
  36. a refrigerator
  37. movement
  38. a loudspeaker
  39. a cell
  40. False

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