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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 292 · 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 an exhaust fan mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  2. 2.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  3. 3.True or false: a water heater mainly gives out heat. (a) True (b) False
  4. 4.True or false: an electric iron mainly gives out light. (a) False (b) True
  5. 5.True or false: a doorbell mainly makes sound. (a) True (b) False
  6. 6.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) movement energy (d) chemical energy
  7. 7.🔍 Which is the odd one out? (a) a doorbell (b) a toaster (c) a water heater (d) an electric iron
  8. 8.Which of these mainly makes movement? (a) an exhaust fan (b) a night lamp (c) a traffic signal (d) an electric iron
  9. 9.Which of these mainly gives out heat? (a) a traffic signal (b) a buzzer (c) a doorbell (d) an electric kettle
  10. 10.⚡ What does a night lamp mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  11. 11.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) photons (d) water drops
  12. 12.Which of these mainly makes movement? (a) a traffic signal (b) a school bell (c) a night lamp (d) an electric toy car
  13. 13.🔍 Which is the odd one out? (a) a loudspeaker (b) a school bell (c) a doorbell (d) an electric drill
  14. 14.Which of these gives us electricity? (a) a computer (b) a power station (c) an air conditioner (d) a television
  15. 15.Which of these mainly gives out heat? (a) a school bell (b) a tube light (c) an electric toy car (d) an electric iron
  16. 16.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  17. 17.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  18. 18.⚡ What does an electric drill mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  19. 19.🔍 Which is the odd one out? (a) a torch (b) a traffic signal (c) a tube light (d) a rice cooker
  20. 20.⚡ What does a street light mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  21. 21.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  23. 23.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) nuclear energy (d) electrical energy
  24. 24.⚡ What does a doorbell mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  25. 25.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  26. 26.Which of these uses electricity? (a) a water pump (b) a solar panel (c) a battery (d) a power station
  27. 27.Which of these uses electricity? (a) a generator (b) a wind turbine (c) a mobile phone (d) a solar panel
  28. 28.Which of these mainly gives out light? (a) a room heater (b) a rice cooker (c) a ceiling fan (d) a night lamp
  29. 29.Which of these mainly makes sound? (a) a room heater (b) a torch (c) a buzzer (d) a tube light
  30. 30.Which of these gives us electricity? (a) a wind turbine (b) a washing machine (c) a water pump (d) a refrigerator
  31. 31.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  32. 32.🔍 Which is the odd one out? (a) a toaster (b) a traffic signal (c) an LED lamp (d) a torch
  33. 33.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  34. 34.Which of these gives us electricity? (a) a television (b) a refrigerator (c) a computer (d) a battery
  35. 35.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) wind energy (d) sound energy
  37. 37.Which of these mainly gives out light? (a) a table fan (b) an electric iron (c) an LED lamp (d) a loudspeaker
  38. 38.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  39. 39.⚡ What does a school bell mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  40. 40.True or false: a mixer grinder mainly gives out heat. (a) False (b) True

Answer key

  1. movement
  2. True
  3. True
  4. False
  5. True
  6. movement energy
  7. a doorbell
  8. an exhaust fan
  9. an electric kettle
  10. light
  11. electrons
  12. an electric toy car
  13. an electric drill
  14. a power station
  15. an electric iron
  16. electric current
  17. light
  18. movement
  19. a rice cooker
  20. light
  21. uses electricity
  22. True
  23. electrical energy
  24. sound
  25. gives electricity
  26. a water pump
  27. a mobile phone
  28. a night lamp
  29. a buzzer
  30. a wind turbine
  31. gives electricity
  32. a toaster
  33. gives electricity
  34. a battery
  35. gives electricity
  36. light energy
  37. an LED lamp
  38. light
  39. sound
  40. False

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