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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 915 · 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 night lamp mainly makes movement. (a) True (b) False
  2. 2.True or false: a torch mainly makes sound. (a) False (b) True
  3. 3.True or false: a buzzer mainly makes movement. (a) True (b) False
  4. 4.Which of these mainly makes movement? (a) an electric drill (b) a traffic signal (c) a school bell (d) a siren
  5. 5.Which of these mainly makes movement? (a) a torch (b) a mixer grinder (c) a buzzer (d) a street light
  6. 6.True or false: a street light mainly gives out heat. (a) False (b) True
  7. 7.Which of these mainly gives out light? (a) a ceiling fan (b) a room heater (c) a traffic signal (d) an electric iron
  8. 8.🔍 Which is the odd one out? (a) a loudspeaker (b) a doorbell (c) a school bell (d) a rice cooker
  9. 9.⚡ What does a doorbell mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  10. 10.🔍 Which is the odd one out? (a) a buzzer (b) an electric toy car (c) a doorbell (d) a loudspeaker
  11. 11.Which of these mainly makes movement? (a) a siren (b) a street light (c) a water heater (d) a ceiling fan
  12. 12.Which of these uses electricity? (a) a refrigerator (b) a cell (c) a bicycle dynamo (d) a power station
  13. 13.⚡ What does a school bell mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  14. 14.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  15. 15.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  16. 16.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  17. 17.True or false: an electric toy car mainly makes sound. (a) True (b) False
  18. 18.Which of these mainly makes movement? (a) a table fan (b) a traffic signal (c) an electric iron (d) a rice cooker
  19. 19.Which of these mainly makes sound? (a) a mixer grinder (b) a loudspeaker (c) an electric kettle (d) a street light
  20. 20.🔍 Which is the odd one out? (a) a buzzer (b) a doorbell (c) a loudspeaker (d) a torch
  21. 21.⚡ What does a siren mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  22. 22.🔍 Which is the odd one out? (a) an LED lamp (b) a toaster (c) a room heater (d) an electric kettle
  23. 23.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  24. 24.🔍 Which is the odd one out? (a) an electric toy car (b) a ceiling fan (c) an electric drill (d) a night lamp
  25. 25.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  27. 27.Which of these mainly makes sound? (a) a siren (b) an electric kettle (c) a street light (d) a night lamp
  28. 28.Which of these gives us electricity? (a) a television (b) a power station (c) a washing machine (d) a computer
  29. 29.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.Which of these gives us electricity? (a) an air conditioner (b) a solar panel (c) a refrigerator (d) a computer
  32. 32.True or false: a traffic signal mainly gives out light. (a) True (b) False
  33. 33.⚡ What does a table fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  34. 34.⚡ What does a street light mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  35. 35.⚡ What does a buzzer mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  36. 36.⚡ What does a toaster mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  37. 37.True or false: an exhaust fan mainly makes sound. (a) True (b) False
  38. 38.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) sound (d) electric current
  39. 39.Which of these uses electricity? (a) a power station (b) an air conditioner (c) a generator (d) a bicycle dynamo
  40. 40.True or false: a buzzer mainly gives out light. (a) True (b) False

Answer key

  1. False
  2. False
  3. False
  4. an electric drill
  5. a mixer grinder
  6. False
  7. a traffic signal
  8. a rice cooker
  9. sound
  10. an electric toy car
  11. a ceiling fan
  12. a refrigerator
  13. sound
  14. light
  15. electrons
  16. heat
  17. False
  18. a table fan
  19. a loudspeaker
  20. a torch
  21. sound
  22. an LED lamp
  23. light
  24. a night lamp
  25. gives electricity
  26. gives electricity
  27. a siren
  28. a power station
  29. uses electricity
  30. gives electricity
  31. a solar panel
  32. True
  33. movement
  34. light
  35. sound
  36. heat
  37. False
  38. electric current
  39. an air conditioner
  40. False

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