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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 151 · 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 of these mainly makes movement? (a) a toaster (b) a doorbell (c) an electric toy car (d) a siren
  2. 2.Which of these mainly gives out light? (a) a mixer grinder (b) an electric toy car (c) a night lamp (d) a room heater
  3. 3.Which of these mainly gives out heat? (a) a loudspeaker (b) a siren (c) an electric kettle (d) an electric toy car
  4. 4.Which of these mainly gives out heat? (a) a ceiling fan (b) a school bell (c) a water heater (d) an LED lamp
  5. 5.True or false: a ceiling fan mainly gives out light. (a) True (b) False
  6. 6.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.🔍 Which is the odd one out? (a) a night lamp (b) a siren (c) a buzzer (d) a doorbell
  8. 8.⚡ What does a street light mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  9. 9.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  11. 11.Which of these gives us electricity? (a) a television (b) a bicycle dynamo (c) a computer (d) a water pump
  12. 12.Which of these mainly makes sound? (a) an exhaust fan (b) a torch (c) a traffic signal (d) a school bell
  13. 13.True or false: an electric iron mainly gives out heat. (a) True (b) False
  14. 14.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) sound (d) electric current
  15. 15.True or false: a table fan mainly makes sound. (a) True (b) False
  16. 16.True or false: an LED lamp mainly gives out light. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) a ceiling fan (b) a table fan (c) a room heater (d) an electric toy car
  18. 18.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  19. 19.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) wind energy (d) sound energy
  20. 20.🔍 Which is the odd one out? (a) a buzzer (b) an exhaust fan (c) a mixer grinder (d) a ceiling fan
  21. 21.True or false: a ceiling fan mainly makes sound. (a) True (b) False
  22. 22.⚡ What does a room heater mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  23. 23.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) sound energy (d) light energy
  24. 24.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) nuclear energy (c) sound energy (d) wind energy
  25. 25.True or false: an electric kettle mainly gives out heat. (a) True (b) False
  26. 26.🔍 Which is the odd one out? (a) an electric iron (b) a traffic signal (c) an LED lamp (d) a street light
  27. 27.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) a siren (d) a night lamp
  29. 29.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.True or false: a table fan mainly gives out heat. (a) True (b) False
  32. 32.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.Which of these mainly makes sound? (a) a room heater (b) a tube light (c) a table fan (d) a doorbell
  34. 34.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) water drops (d) electrons
  35. 35.🔍 Which is the odd one out? (a) an electric toy car (b) an exhaust fan (c) a toaster (d) an electric drill
  36. 36.Which of these gives us electricity? (a) a television (b) a solar panel (c) a computer (d) a refrigerator
  37. 37.Which of these mainly gives out light? (a) an electric kettle (b) a school bell (c) a mixer grinder (d) a tube light
  38. 38.True or false: a night lamp mainly gives out light. (a) True (b) False
  39. 39.⚡ What does a siren mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  40. 40.Which of these uses electricity? (a) a cell (b) a water pump (c) a battery (d) a generator

Answer key

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

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