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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 779 · 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 table fan mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  2. 2.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.Which of these mainly gives out light? (a) a loudspeaker (b) an electric toy car (c) a doorbell (d) a night lamp
  4. 4.🔍 Which is the odd one out? (a) a doorbell (b) a buzzer (c) a room heater (d) a siren
  5. 5.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) a magnet (d) sound
  6. 6.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  7. 7.Which of these uses electricity? (a) a mobile phone (b) a solar panel (c) a cell (d) a battery
  8. 8.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) a buzzer (d) a street light
  9. 9.Which of these gives us electricity? (a) an air conditioner (b) a television (c) a computer (d) a cell
  10. 10.🔍 Which is the odd one out? (a) an electric toy car (b) a night lamp (c) a street light (d) an LED lamp
  11. 11.⚡ What does a doorbell mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  12. 12.Which of these uses electricity? (a) a water pump (b) a solar panel (c) a power station (d) a bicycle dynamo
  13. 13.True or false: an LED lamp mainly gives out heat. (a) False (b) True
  14. 14.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric toy car (c) a torch (d) an exhaust fan
  15. 15.Which of these uses electricity? (a) a cell (b) a battery (c) a refrigerator (d) a bicycle dynamo
  16. 16.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  17. 17.True or false: a night lamp mainly makes movement. (a) True (b) False
  18. 18.🔍 Which is the odd one out? (a) a ceiling fan (b) a tube light (c) an electric toy car (d) a table fan
  19. 19.⚡ What does a siren mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  20. 20.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.🔍 Which is the odd one out? (a) a table fan (b) an electric drill (c) a traffic signal (d) a ceiling fan
  23. 23.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  24. 24.True or false: a table fan mainly gives out heat. (a) False (b) True
  25. 25.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) a street light (d) a mixer grinder
  26. 26.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  27. 27.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) wind energy (c) sound energy (d) chemical energy
  28. 28.True or false: a street light mainly gives out heat. (a) True (b) False
  29. 29.Which of these uses electricity? (a) a wind turbine (b) a washing machine (c) a cell (d) a battery
  30. 30.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) nuclear energy (c) sound energy (d) wind energy
  31. 31.Which of these gives us electricity? (a) a water pump (b) a washing machine (c) a mobile phone (d) a bicycle dynamo
  32. 32.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  33. 33.Which of these mainly gives out light? (a) a water heater (b) a loudspeaker (c) a buzzer (d) an LED lamp
  34. 34.True or false: a street light mainly makes sound. (a) True (b) False
  35. 35.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) electrons (d) water drops
  36. 36.True or false: a night lamp mainly makes sound. (a) True (b) False
  37. 37.⚡ What does an electric drill mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  38. 38.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  39. 39.⚡ What does a toaster mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  40. 40.Which of these uses electricity? (a) a power station (b) a cell (c) a television (d) a solar panel

Answer key

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

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