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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 716 · 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 mixer grinder (b) an LED lamp (c) a siren (d) a doorbell
  2. 2.⚡ What does an electric iron mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  3. 3.Which of these mainly makes movement? (a) a night lamp (b) an electric iron (c) a school bell (d) a ceiling fan
  4. 4.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  5. 5.🔍 Which is the odd one out? (a) a buzzer (b) a school bell (c) a loudspeaker (d) a ceiling fan
  6. 6.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) electrical energy (c) sound energy (d) nuclear energy
  7. 7.True or false: a ceiling fan mainly makes movement. (a) True (b) False
  8. 8.🔍 Which is the odd one out? (a) an exhaust fan (b) a room heater (c) an electric toy car (d) a table fan
  9. 9.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.Which of these mainly gives out heat? (a) an exhaust fan (b) an electric iron (c) a torch (d) a street light
  11. 11.Which of these mainly gives out light? (a) an electric kettle (b) a loudspeaker (c) a ceiling fan (d) an LED lamp
  12. 12.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  13. 13.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) light energy (d) chemical energy
  14. 14.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  17. 17.🔍 Which is the odd one out? (a) a street light (b) an LED lamp (c) a doorbell (d) a tube light
  18. 18.Which of these mainly gives out light? (a) a siren (b) a ceiling fan (c) a tube light (d) a school bell
  19. 19.True or false: a room heater mainly gives out heat. (a) False (b) True
  20. 20.Which of these uses electricity? (a) a power station (b) a battery (c) a solar panel (d) a washing machine
  21. 21.🔍 Which is the odd one out? (a) a night lamp (b) a loudspeaker (c) a doorbell (d) a school bell
  22. 22.True or false: a tube light mainly makes sound. (a) False (b) True
  23. 23.Which of these uses electricity? (a) a generator (b) a bicycle dynamo (c) a water pump (d) a battery
  24. 24.True or false: a doorbell mainly makes sound. (a) False (b) True
  25. 25.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  26. 26.🔍 Which is the odd one out? (a) a torch (b) a night lamp (c) a traffic signal (d) a siren
  27. 27.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.🔍 Which is the odd one out? (a) an electric kettle (b) a night lamp (c) an LED lamp (d) a tube light
  29. 29.True or false: a traffic signal mainly makes movement. (a) True (b) False
  30. 30.⚡ What does a doorbell mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  31. 31.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.Which of these gives us electricity? (a) a computer (b) a battery (c) an air conditioner (d) a mobile phone
  33. 33.Which of these mainly makes movement? (a) a traffic signal (b) a table fan (c) a water heater (d) an electric kettle
  34. 34.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  37. 37.⚡ What does an LED lamp mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  38. 38.Which of these uses electricity? (a) a power station (b) a wind turbine (c) a battery (d) a mobile phone
  39. 39.True or false: an LED lamp mainly makes sound. (a) True (b) False
  40. 40.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) movement energy

Answer key

  1. a mixer grinder
  2. heat
  3. a ceiling fan
  4. uses electricity
  5. a ceiling fan
  6. electrical energy
  7. True
  8. a room heater
  9. uses electricity
  10. an electric iron
  11. an LED lamp
  12. sound
  13. light energy
  14. gives electricity
  15. uses electricity
  16. electric current
  17. a doorbell
  18. a tube light
  19. True
  20. a washing machine
  21. a night lamp
  22. False
  23. a water pump
  24. True
  25. heat
  26. a siren
  27. gives electricity
  28. an electric kettle
  29. False
  30. sound
  31. gives electricity
  32. a battery
  33. a table fan
  34. gives electricity
  35. uses electricity
  36. heat
  37. light
  38. a mobile phone
  39. False
  40. movement energy

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