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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 444 · 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.True or false: an electric iron mainly gives out heat. (a) False (b) True
  2. 2.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.True or false: an exhaust fan mainly makes sound. (a) False (b) True
  4. 4.⚡ What does a street light mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  5. 5.Which of these uses electricity? (a) a water pump (b) a wind turbine (c) a bicycle dynamo (d) a generator
  6. 6.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  7. 7.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) wind energy
  8. 8.True or false: a tube light mainly makes movement. (a) True (b) False
  9. 9.⚡ What does a school bell mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  10. 10.Which of these mainly gives out heat? (a) an exhaust fan (b) an electric kettle (c) an electric drill (d) a traffic signal
  11. 11.Which of these mainly makes sound? (a) a tube light (b) an electric drill (c) a rice cooker (d) a doorbell
  12. 12.True or false: a water heater mainly gives out heat. (a) False (b) True
  13. 13.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  16. 16.True or false: a street light mainly gives out heat. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) an electric kettle (b) a torch (c) a night lamp (d) a street light
  18. 18.True or false: an LED lamp mainly gives out light. (a) False (b) True
  19. 19.⚡ What does an exhaust fan mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  20. 20.🔍 Which is the odd one out? (a) an electric iron (b) a toaster (c) a water heater (d) a siren
  21. 21.True or false: a tube light mainly gives out light. (a) True (b) False
  22. 22.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) nuclear energy (c) electrical energy (d) wind energy
  23. 23.Which of these mainly gives out heat? (a) a mixer grinder (b) an electric drill (c) a traffic signal (d) a toaster
  24. 24.⚡ What does a siren mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  25. 25.Which of these mainly gives out light? (a) a water heater (b) an LED lamp (c) a doorbell (d) a table fan
  26. 26.Which of these mainly makes sound? (a) an LED lamp (b) a room heater (c) a loudspeaker (d) a rice cooker
  27. 27.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  28. 28.Which of these gives us electricity? (a) a water pump (b) a bicycle dynamo (c) a washing machine (d) a television
  29. 29.Which of these gives us electricity? (a) a computer (b) a water pump (c) a television (d) a cell
  30. 30.⚡ What does a table fan mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  31. 31.🔍 Which is the odd one out? (a) an electric iron (b) an electric toy car (c) an electric kettle (d) a room heater
  32. 32.Which of these mainly gives out light? (a) a water heater (b) an electric iron (c) a night lamp (d) an exhaust fan
  33. 33.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  34. 34.⚡ What does an electric iron mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  35. 35.⚡ What does a tube light mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  36. 36.Which of these mainly gives out heat? (a) a tube light (b) a room heater (c) a street light (d) an LED lamp
  37. 37.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  38. 38.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric toy car (c) an exhaust fan (d) a tube light
  39. 39.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  40. 40.Which of these mainly gives out light? (a) a water heater (b) a tube light (c) a buzzer (d) a loudspeaker

Answer key

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

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