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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 541 · 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 gives us electricity? (a) an air conditioner (b) a mobile phone (c) a television (d) a solar panel
  2. 2.Which of these mainly makes sound? (a) an LED lamp (b) a room heater (c) a school bell (d) an electric toy car
  3. 3.🔍 Which is the odd one out? (a) a ceiling fan (b) a mixer grinder (c) an electric drill (d) an electric kettle
  4. 4.⚡ What does a night lamp mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  5. 5.🔍 Which is the odd one out? (a) an exhaust fan (b) a mixer grinder (c) an electric toy car (d) a buzzer
  6. 6.True or false: a room heater mainly makes movement. (a) False (b) True
  7. 7.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) sound energy (d) wind energy
  8. 8.⚡ What does an electric drill mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  9. 9.Which of these gives us electricity? (a) a water pump (b) a television (c) a washing machine (d) a bicycle dynamo
  10. 10.⚡ What does a traffic signal mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  11. 11.Which of these mainly makes sound? (a) an electric iron (b) a street light (c) a buzzer (d) a torch
  12. 12.Which of these uses electricity? (a) a washing machine (b) a solar panel (c) a bicycle dynamo (d) a power station
  13. 13.🔍 Which is the odd one out? (a) a traffic signal (b) a night lamp (c) an LED lamp (d) a loudspeaker
  14. 14.⚡ What does a buzzer mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  15. 15.⚡ What does an LED lamp mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  16. 16.Which of these mainly makes movement? (a) a rice cooker (b) an electric drill (c) a doorbell (d) a street light
  17. 17.🔍 Which is the odd one out? (a) a siren (b) an electric iron (c) a water heater (d) an electric kettle
  18. 18.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  19. 19.Which of these mainly makes sound? (a) an LED lamp (b) an electric iron (c) a tube light (d) a siren
  20. 20.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) wind energy (d) chemical energy
  21. 21.⚡ What does a tube light mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  22. 22.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  23. 23.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.True or false: a buzzer mainly gives out light. (a) True (b) False
  26. 26.Which of these uses electricity? (a) a water pump (b) a cell (c) a solar panel (d) a generator
  27. 27.⚡ What does a water heater mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  28. 28.🔍 Which is the odd one out? (a) a school bell (b) a siren (c) a doorbell (d) a rice cooker
  29. 29.True or false: an LED lamp mainly gives out light. (a) False (b) True
  30. 30.Which of these mainly gives out light? (a) an exhaust fan (b) a doorbell (c) a siren (d) a tube light
  31. 31.Which of these gives us electricity? (a) an air conditioner (b) a television (c) a power station (d) a mobile phone
  32. 32.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  33. 33.Which of these uses electricity? (a) a wind turbine (b) a cell (c) a television (d) a generator
  34. 34.⚡ What does a room heater mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  35. 35.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  36. 36.Which of these mainly gives out heat? (a) an LED lamp (b) a school bell (c) a torch (d) a toaster
  37. 37.True or false: a street light mainly makes sound. (a) False (b) True
  38. 38.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  39. 39.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  40. 40.True or false: an LED lamp mainly makes movement. (a) False (b) True

Answer key

  1. a solar panel
  2. a school bell
  3. an electric kettle
  4. light
  5. a buzzer
  6. False
  7. electrical energy
  8. movement
  9. a bicycle dynamo
  10. light
  11. a buzzer
  12. a washing machine
  13. a loudspeaker
  14. sound
  15. light
  16. an electric drill
  17. a siren
  18. heat
  19. a siren
  20. light energy
  21. light
  22. True
  23. gives electricity
  24. uses electricity
  25. False
  26. a water pump
  27. heat
  28. a rice cooker
  29. True
  30. a tube light
  31. a power station
  32. sound
  33. a television
  34. heat
  35. movement energy
  36. a toaster
  37. False
  38. movement energy
  39. movement
  40. False

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