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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 199 · 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 buzzer mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  2. 2.🔍 Which is the odd one out? (a) a doorbell (b) a buzzer (c) a traffic signal (d) a loudspeaker
  3. 3.Which of these mainly gives out heat? (a) a ceiling fan (b) a torch (c) an LED lamp (d) a room heater
  4. 4.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.Which of these gives us electricity? (a) a computer (b) a water pump (c) a television (d) a solar panel
  6. 6.Which of these mainly makes sound? (a) an electric drill (b) a table fan (c) a loudspeaker (d) an electric toy car
  7. 7.True or false: a torch mainly makes movement. (a) True (b) False
  8. 8.Which of these gives us electricity? (a) a television (b) a generator (c) a water pump (d) an air conditioner
  9. 9.Which of these mainly gives out light? (a) a siren (b) a room heater (c) a torch (d) an electric toy car
  10. 10.🔍 Which is the odd one out? (a) a torch (b) a night lamp (c) a street light (d) an electric kettle
  11. 11.True or false: a traffic signal mainly gives out heat. (a) True (b) False
  12. 12.Which of these mainly makes sound? (a) a buzzer (b) a table fan (c) a toaster (d) a street light
  13. 13.Which of these mainly makes movement? (a) a traffic signal (b) an electric toy car (c) a toaster (d) a buzzer
  14. 14.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  15. 15.Which of these gives us electricity? (a) a computer (b) a mobile phone (c) a power station (d) a water pump
  16. 16.Which of these uses electricity? (a) a bicycle dynamo (b) a washing machine (c) a solar panel (d) a cell
  17. 17.🔍 Which is the odd one out? (a) an electric toy car (b) a street light (c) a torch (d) a tube light
  18. 18.True or false: a night lamp mainly gives out light. (a) True (b) False
  19. 19.True or false: a buzzer mainly makes sound. (a) True (b) False
  20. 20.True or false: a room heater mainly gives out heat. (a) True (b) False
  21. 21.Which of these gives us electricity? (a) a water pump (b) a bicycle dynamo (c) a washing machine (d) a television
  22. 22.Which of these mainly gives out light? (a) a street light (b) a table fan (c) a siren (d) a toaster
  23. 23.Which of these mainly makes movement? (a) a torch (b) a doorbell (c) an electric drill (d) a traffic signal
  24. 24.Which of these mainly gives out heat? (a) a night lamp (b) a tube light (c) a school bell (d) an electric kettle
  25. 25.Which of these mainly gives out light? (a) an electric toy car (b) a siren (c) an LED lamp (d) an electric kettle
  26. 26.Which of these gives us electricity? (a) a water pump (b) an air conditioner (c) a refrigerator (d) a cell
  27. 27.Which of these uses electricity? (a) a solar panel (b) a cell (c) a water pump (d) a power station
  28. 28.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric toy car (c) an exhaust fan (d) a buzzer
  30. 30.True or false: a doorbell mainly gives out light. (a) True (b) False
  31. 31.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  32. 32.Which of these uses electricity? (a) a power station (b) a solar panel (c) a mobile phone (d) a bicycle dynamo
  33. 33.🔍 Which is the odd one out? (a) a loudspeaker (b) a school bell (c) a mixer grinder (d) a buzzer
  34. 34.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  35. 35.🔍 Which is the odd one out? (a) an electric kettle (b) a loudspeaker (c) an electric iron (d) a rice cooker
  36. 36.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.True or false: a siren mainly makes sound. (a) False (b) True
  38. 38.Which of these mainly makes movement? (a) a room heater (b) a mixer grinder (c) a street light (d) a toaster
  39. 39.Which of these mainly gives out light? (a) a ceiling fan (b) a toaster (c) a tube light (d) a buzzer
  40. 40.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) electrons (d) photons

Answer key

  1. sound
  2. a traffic signal
  3. a room heater
  4. uses electricity
  5. a solar panel
  6. a loudspeaker
  7. False
  8. a generator
  9. a torch
  10. an electric kettle
  11. False
  12. a buzzer
  13. an electric toy car
  14. light
  15. a power station
  16. a washing machine
  17. an electric toy car
  18. True
  19. True
  20. True
  21. a bicycle dynamo
  22. a street light
  23. an electric drill
  24. an electric kettle
  25. an LED lamp
  26. a cell
  27. a water pump
  28. gives electricity
  29. a buzzer
  30. False
  31. movement energy
  32. a mobile phone
  33. a mixer grinder
  34. light
  35. a loudspeaker
  36. uses electricity
  37. True
  38. a mixer grinder
  39. a tube light
  40. electrons

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