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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 426 · 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.🔍 Which is the odd one out? (a) a night lamp (b) an LED lamp (c) a doorbell (d) a tube light
  2. 2.🔍 Which is the odd one out? (a) a school bell (b) a night lamp (c) a loudspeaker (d) a doorbell
  3. 3.Which of these gives us electricity? (a) a refrigerator (b) a television (c) a battery (d) a washing machine
  4. 4.🔍 Which is the odd one out? (a) a traffic signal (b) an LED lamp (c) a water heater (d) a night lamp
  5. 5.Which of these mainly makes sound? (a) an exhaust fan (b) a toaster (c) an electric toy car (d) a siren
  6. 6.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  7. 7.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.Which of these mainly gives out light? (a) a ceiling fan (b) a toaster (c) an electric iron (d) an LED lamp
  10. 10.Which of these gives us electricity? (a) a washing machine (b) a bicycle dynamo (c) a computer (d) a refrigerator
  11. 11.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) electrical energy (d) sound energy
  12. 12.⚡ What does a street light mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  13. 13.Which of these mainly makes sound? (a) a doorbell (b) an electric kettle (c) a torch (d) an electric drill
  14. 14.Which of these uses electricity? (a) a power station (b) a water pump (c) a cell (d) a bicycle dynamo
  15. 15.🔍 Which is the odd one out? (a) an electric iron (b) a water heater (c) an electric kettle (d) a ceiling fan
  16. 16.Which of these uses electricity? (a) a cell (b) a bicycle dynamo (c) an air conditioner (d) a generator
  17. 17.Which of these mainly gives out heat? (a) a doorbell (b) an LED lamp (c) a tube light (d) an electric iron
  18. 18.⚡ What does a traffic signal mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  19. 19.⚡ What does an electric iron mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  20. 20.True or false: a room heater mainly gives out heat. (a) False (b) True
  21. 21.True or false: a doorbell mainly makes movement. (a) True (b) False
  22. 22.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  23. 23.True or false: a torch mainly makes movement. (a) True (b) False
  24. 24.⚡ What does a tube light mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  25. 25.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  26. 26.True or false: an electric kettle mainly gives out light. (a) False (b) True
  27. 27.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.⚡ What does a doorbell mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  29. 29.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.True or false: an electric iron mainly gives out heat. (a) True (b) False
  31. 31.True or false: a night lamp mainly gives out light. (a) True (b) False
  32. 32.Which of these mainly makes movement? (a) a torch (b) a ceiling fan (c) a tube light (d) a buzzer
  33. 33.Which of these mainly gives out heat? (a) a buzzer (b) a tube light (c) a room heater (d) a street light
  34. 34.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric drill (c) a loudspeaker (d) an electric toy car
  35. 35.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.⚡ What does a water heater mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  38. 38.🔍 Which is the odd one out? (a) a buzzer (b) an electric iron (c) a room heater (d) a water heater
  39. 39.Which of these mainly gives out light? (a) a siren (b) a doorbell (c) an electric kettle (d) a street light
  40. 40.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity

Answer key

  1. a doorbell
  2. a night lamp
  3. a battery
  4. a water heater
  5. a siren
  6. sound
  7. gives electricity
  8. uses electricity
  9. an LED lamp
  10. a bicycle dynamo
  11. electrical energy
  12. light
  13. a doorbell
  14. a water pump
  15. a ceiling fan
  16. an air conditioner
  17. an electric iron
  18. light
  19. heat
  20. True
  21. False
  22. heat
  23. False
  24. light
  25. movement
  26. False
  27. uses electricity
  28. sound
  29. gives electricity
  30. True
  31. True
  32. a ceiling fan
  33. a room heater
  34. a loudspeaker
  35. uses electricity
  36. gives electricity
  37. heat
  38. a buzzer
  39. a street light
  40. gives electricity

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