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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 349 · 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 rice cooker mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  2. 2.Which of these mainly gives out light? (a) a torch (b) a toaster (c) a rice cooker (d) an exhaust fan
  3. 3.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) a tube light (d) a school bell
  4. 4.🔍 Which is the odd one out? (a) a school bell (b) a loudspeaker (c) a torch (d) a buzzer
  5. 5.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) chemical energy (d) light energy
  6. 6.Which of these gives us electricity? (a) a solar panel (b) a mobile phone (c) a computer (d) an air conditioner
  7. 7.Which of these mainly gives out light? (a) a mixer grinder (b) an electric drill (c) a traffic signal (d) a siren
  8. 8.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.⚡ What does an LED lamp mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  10. 10.🔍 Which is the odd one out? (a) a room heater (b) a ceiling fan (c) a toaster (d) an electric kettle
  11. 11.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.⚡ What does a siren mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  13. 13.Which of these gives us electricity? (a) a washing machine (b) an air conditioner (c) a television (d) a generator
  14. 14.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  15. 15.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  16. 16.Which of these mainly gives out heat? (a) an exhaust fan (b) an electric iron (c) an electric toy car (d) a loudspeaker
  17. 17.Which of these gives us electricity? (a) a water pump (b) an air conditioner (c) a battery (d) a television
  18. 18.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.⚡ What does an electric drill mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  20. 20.Which of these gives us electricity? (a) a computer (b) a refrigerator (c) a water pump (d) a cell
  21. 21.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  23. 23.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) a magnet (d) electric current
  24. 24.🔍 Which is the odd one out? (a) an electric toy car (b) a rice cooker (c) a mixer grinder (d) a table fan
  25. 25.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  26. 26.🔍 Which is the odd one out? (a) a traffic signal (b) an exhaust fan (c) an electric drill (d) an electric toy car
  27. 27.True or false: an LED lamp mainly gives out light. (a) True (b) False
  28. 28.Which of these mainly makes sound? (a) a doorbell (b) an exhaust fan (c) a toaster (d) a tube light
  29. 29.Which of these mainly makes movement? (a) a tube light (b) an LED lamp (c) a street light (d) a table fan
  30. 30.True or false: a doorbell mainly makes sound. (a) False (b) True
  31. 31.Which of these mainly gives out light? (a) a siren (b) a doorbell (c) an LED lamp (d) a room heater
  32. 32.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.Which of these mainly gives out light? (a) an electric iron (b) a table fan (c) a street light (d) an electric kettle
  34. 34.⚡ What does a torch mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  35. 35.True or false: a table fan mainly gives out heat. (a) False (b) True
  36. 36.True or false: a tube light mainly gives out heat. (a) True (b) False
  37. 37.🔍 Which is the odd one out? (a) a buzzer (b) a tube light (c) a traffic signal (d) an LED lamp
  38. 38.Which of these mainly gives out heat? (a) a ceiling fan (b) a torch (c) a toaster (d) an LED lamp
  39. 39.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  40. 40.⚡ What does a buzzer mainly change electricity into? (a) movement (b) light (c) heat (d) sound

Answer key

  1. heat
  2. a torch
  3. a tube light
  4. a torch
  5. light energy
  6. a solar panel
  7. a traffic signal
  8. gives electricity
  9. light
  10. a ceiling fan
  11. gives electricity
  12. sound
  13. a generator
  14. electrical energy
  15. movement
  16. an electric iron
  17. a battery
  18. uses electricity
  19. movement
  20. a cell
  21. gives electricity
  22. movement energy
  23. electric current
  24. a rice cooker
  25. light
  26. a traffic signal
  27. True
  28. a doorbell
  29. a table fan
  30. True
  31. an LED lamp
  32. gives electricity
  33. a street light
  34. light
  35. False
  36. False
  37. a buzzer
  38. a toaster
  39. gives electricity
  40. sound

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