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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 495 · 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 school bell mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  2. 2.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) electrical energy (d) sound energy
  3. 3.Which of these gives us electricity? (a) a television (b) an air conditioner (c) a bicycle dynamo (d) a refrigerator
  4. 4.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  5. 5.Which of these mainly makes movement? (a) a night lamp (b) a traffic signal (c) a ceiling fan (d) an electric kettle
  6. 6.🔍 Which is the odd one out? (a) a toaster (b) a night lamp (c) a traffic signal (d) an LED lamp
  7. 7.Which of these uses electricity? (a) a cell (b) a generator (c) a water pump (d) a bicycle dynamo
  8. 8.Which of these mainly gives out heat? (a) a siren (b) a street light (c) an electric iron (d) a school bell
  9. 9.Which of these mainly gives out heat? (a) a tube light (b) a siren (c) an LED lamp (d) a toaster
  10. 10.🔍 Which is the odd one out? (a) a tube light (b) an electric kettle (c) a street light (d) a torch
  11. 11.True or false: a water heater mainly gives out heat. (a) False (b) True
  12. 12.Which of these mainly makes sound? (a) an LED lamp (b) a tube light (c) a table fan (d) a school bell
  13. 13.Which of these mainly makes movement? (a) a water heater (b) a night lamp (c) a mixer grinder (d) a loudspeaker
  14. 14.🔍 Which is the odd one out? (a) a tube light (b) a night lamp (c) a water heater (d) a street light
  15. 15.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) water drops (d) electrons
  17. 17.Which of these uses electricity? (a) a battery (b) a refrigerator (c) a power station (d) a cell
  18. 18.🔍 Which is the odd one out? (a) a night lamp (b) a ceiling fan (c) a tube light (d) a street light
  19. 19.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.Which of these uses electricity? (a) a television (b) a cell (c) a bicycle dynamo (d) a power station
  21. 21.🔍 Which is the odd one out? (a) a traffic signal (b) an electric toy car (c) a tube light (d) a torch
  22. 22.True or false: an exhaust fan mainly makes movement. (a) False (b) True
  23. 23.Which of these mainly gives out light? (a) an electric toy car (b) an electric drill (c) a tube light (d) an electric iron
  24. 24.True or false: an electric toy car mainly makes sound. (a) False (b) True
  25. 25.True or false: a school bell mainly makes sound. (a) True (b) False
  26. 26.True or false: a street light mainly gives out heat. (a) False (b) True
  27. 27.Which of these uses electricity? (a) a solar panel (b) a battery (c) a power station (d) a washing machine
  28. 28.🔍 Which is the odd one out? (a) a street light (b) a night lamp (c) a torch (d) a room heater
  29. 29.🔍 Which is the odd one out? (a) a tube light (b) an electric drill (c) a traffic signal (d) a night lamp
  30. 30.True or false: a toaster mainly gives out heat. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) an LED lamp (b) a traffic signal (c) a street light (d) a mixer grinder
  32. 32.⚡ What does a doorbell mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  33. 33.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  34. 34.Which of these gives us electricity? (a) a cell (b) an air conditioner (c) a refrigerator (d) a water pump
  35. 35.⚡ What does a torch mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  36. 36.Which of these mainly gives out light? (a) an electric kettle (b) a mixer grinder (c) a torch (d) an electric toy car
  37. 37.⚡ What does a tube light mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  38. 38.⚡ What does an electric drill mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  39. 39.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.⚡ What does a table fan mainly change electricity into? (a) movement (b) light (c) sound (d) heat

Answer key

  1. sound
  2. electrical energy
  3. a bicycle dynamo
  4. gives electricity
  5. a ceiling fan
  6. a toaster
  7. a water pump
  8. an electric iron
  9. a toaster
  10. an electric kettle
  11. True
  12. a school bell
  13. a mixer grinder
  14. a water heater
  15. gives electricity
  16. electrons
  17. a refrigerator
  18. a ceiling fan
  19. gives electricity
  20. a television
  21. an electric toy car
  22. True
  23. a tube light
  24. False
  25. True
  26. False
  27. a washing machine
  28. a room heater
  29. an electric drill
  30. True
  31. a mixer grinder
  32. sound
  33. light
  34. a cell
  35. light
  36. a torch
  37. light
  38. movement
  39. uses electricity
  40. movement

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