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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 693 · 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 kettle mainly gives out heat. (a) False (b) True
  2. 2.Which of these mainly gives out light? (a) a table fan (b) a school bell (c) an exhaust fan (d) a tube light
  3. 3.🔍 Which is the odd one out? (a) a street light (b) an electric iron (c) a tube light (d) an LED lamp
  4. 4.True or false: an electric drill mainly gives out light. (a) False (b) True
  5. 5.⚡ What does a room heater mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  6. 6.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  7. 7.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) a magnet (d) friction
  8. 8.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  9. 9.⚡ What does a water heater mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  10. 10.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  11. 11.Which of these mainly makes movement? (a) an electric toy car (b) a water heater (c) a torch (d) a street light
  12. 12.Which of these uses electricity? (a) a battery (b) a television (c) a bicycle dynamo (d) a solar panel
  13. 13.🔍 Which is the odd one out? (a) a torch (b) a doorbell (c) a tube light (d) a traffic signal
  14. 14.⚡ What does a toaster mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  15. 15.Which of these mainly gives out light? (a) a siren (b) a traffic signal (c) an electric kettle (d) an exhaust fan
  16. 16.⚡ What does a buzzer mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  17. 17.Which of these mainly makes movement? (a) a mixer grinder (b) a tube light (c) a night lamp (d) a rice cooker
  18. 18.Which of these uses electricity? (a) a power station (b) a computer (c) a solar panel (d) a cell
  19. 19.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  20. 20.🔍 Which is the odd one out? (a) a tube light (b) an electric iron (c) a rice cooker (d) a toaster
  21. 21.True or false: a street light mainly makes sound. (a) False (b) True
  22. 22.🔍 Which is the odd one out? (a) a water heater (b) a room heater (c) an electric iron (d) a traffic signal
  23. 23.Which of these mainly makes sound? (a) a siren (b) an electric kettle (c) a traffic signal (d) a toaster
  24. 24.Which of these gives us electricity? (a) a computer (b) a television (c) a bicycle dynamo (d) a washing machine
  25. 25.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  26. 26.True or false: a school bell mainly gives out light. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) a doorbell (b) a rice cooker (c) a buzzer (d) a loudspeaker
  28. 28.True or false: a room heater mainly gives out heat. (a) False (b) True
  29. 29.True or false: a torch mainly gives out light. (a) False (b) True
  30. 30.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.True or false: a traffic signal mainly makes sound. (a) True (b) False
  32. 32.Which of these uses electricity? (a) a bicycle dynamo (b) a solar panel (c) a generator (d) an air conditioner
  33. 33.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) nuclear energy (c) wind energy (d) electrical energy
  34. 34.Which of these mainly makes sound? (a) a street light (b) a buzzer (c) a ceiling fan (d) a night lamp
  35. 35.True or false: an electric drill mainly makes movement. (a) True (b) False
  36. 36.🔍 Which is the odd one out? (a) a doorbell (b) a buzzer (c) a loudspeaker (d) a torch
  37. 37.⚡ What does a table fan mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  38. 38.Which of these gives us electricity? (a) a mobile phone (b) a water pump (c) a television (d) a wind turbine
  39. 39.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a generator (d) a mobile phone
  40. 40.🔍 Which is the odd one out? (a) a street light (b) a torch (c) a table fan (d) an LED lamp

Answer key

  1. True
  2. a tube light
  3. an electric iron
  4. False
  5. heat
  6. light
  7. electric current
  8. movement energy
  9. heat
  10. gives electricity
  11. an electric toy car
  12. a television
  13. a doorbell
  14. heat
  15. a traffic signal
  16. sound
  17. a mixer grinder
  18. a computer
  19. light
  20. a tube light
  21. False
  22. a traffic signal
  23. a siren
  24. a bicycle dynamo
  25. movement
  26. False
  27. a rice cooker
  28. True
  29. True
  30. gives electricity
  31. False
  32. an air conditioner
  33. electrical energy
  34. a buzzer
  35. True
  36. a torch
  37. movement
  38. a wind turbine
  39. a generator
  40. a table fan

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