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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 106 · 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: a buzzer mainly makes movement. (a) True (b) False
  2. 2.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  3. 3.⚡ What does a street light mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  4. 4.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.🔍 Which is the odd one out? (a) a traffic signal (b) a table fan (c) an electric toy car (d) an exhaust fan
  6. 6.⚡ What does a traffic signal mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  7. 7.Which of these mainly gives out light? (a) an electric kettle (b) a siren (c) a table fan (d) a night lamp
  8. 8.Which of these mainly gives out heat? (a) a ceiling fan (b) a street light (c) an electric toy car (d) a rice cooker
  9. 9.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) chemical energy (d) sound energy
  10. 10.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  11. 11.🔍 Which is the odd one out? (a) a ceiling fan (b) a buzzer (c) a mixer grinder (d) an electric toy car
  12. 12.🔍 Which is the odd one out? (a) an LED lamp (b) a toaster (c) a street light (d) a torch
  13. 13.Which of these mainly makes sound? (a) an electric drill (b) a school bell (c) a room heater (d) a night lamp
  14. 14.⚡ What does an electric iron mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  15. 15.Which of these mainly makes movement? (a) a siren (b) an exhaust fan (c) an electric kettle (d) a water heater
  16. 16.⚡ What does a water heater mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  17. 17.Which of these mainly gives out heat? (a) a buzzer (b) a tube light (c) a room heater (d) a torch
  18. 18.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  20. 20.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.Which of these gives us electricity? (a) a washing machine (b) a power station (c) an air conditioner (d) a computer
  22. 22.⚡ What does an electric toy car mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  23. 23.Which of these gives us electricity? (a) a solar panel (b) a mobile phone (c) a television (d) a computer
  24. 24.🔍 Which is the odd one out? (a) a night lamp (b) a school bell (c) a doorbell (d) a loudspeaker
  25. 25.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  26. 26.🔍 Which is the odd one out? (a) an exhaust fan (b) a ceiling fan (c) a table fan (d) an electric iron
  27. 27.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  28. 28.Which of these uses electricity? (a) a generator (b) a cell (c) a battery (d) a refrigerator
  29. 29.True or false: a torch mainly gives out light. (a) True (b) False
  30. 30.Which of these mainly gives out heat? (a) a tube light (b) a torch (c) a toaster (d) a school bell
  31. 31.Which of these uses electricity? (a) a cell (b) a power station (c) a generator (d) an air conditioner
  32. 32.Which of these mainly makes sound? (a) a street light (b) a loudspeaker (c) an electric toy car (d) an LED lamp
  33. 33.🔍 Which is the odd one out? (a) a rice cooker (b) a siren (c) a buzzer (d) a doorbell
  34. 34.Which of these uses electricity? (a) a bicycle dynamo (b) a generator (c) a battery (d) a water pump
  35. 35.🔍 Which is the odd one out? (a) a room heater (b) a toaster (c) a tube light (d) a rice cooker
  36. 36.Which of these uses electricity? (a) a power station (b) a mobile phone (c) a cell (d) a battery
  37. 37.Which of these gives us electricity? (a) a computer (b) a cell (c) a refrigerator (d) a television
  38. 38.Which of these mainly gives out light? (a) a torch (b) a room heater (c) a school bell (d) a toaster
  39. 39.Which of these mainly makes movement? (a) a buzzer (b) a ceiling fan (c) a doorbell (d) a traffic signal
  40. 40.True or false: a rice cooker mainly gives out light. (a) True (b) False

Answer key

  1. False
  2. movement energy
  3. light
  4. uses electricity
  5. a traffic signal
  6. light
  7. a night lamp
  8. a rice cooker
  9. movement energy
  10. sound
  11. a buzzer
  12. a toaster
  13. a school bell
  14. heat
  15. an exhaust fan
  16. heat
  17. a room heater
  18. gives electricity
  19. movement
  20. uses electricity
  21. a power station
  22. movement
  23. a solar panel
  24. a night lamp
  25. movement
  26. an electric iron
  27. electrons
  28. a refrigerator
  29. True
  30. a toaster
  31. an air conditioner
  32. a loudspeaker
  33. a rice cooker
  34. a water pump
  35. a tube light
  36. a mobile phone
  37. a cell
  38. a torch
  39. a ceiling fan
  40. False

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