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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 665 · 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 ceiling fan mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  2. 2.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.🔍 Which is the odd one out? (a) an electric iron (b) a toaster (c) an electric kettle (d) a doorbell
  4. 4.Which of these uses electricity? (a) a solar panel (b) a computer (c) a generator (d) a battery
  5. 5.⚡ What does a doorbell mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  6. 6.Which of these mainly makes sound? (a) a torch (b) a loudspeaker (c) an electric drill (d) a night lamp
  7. 7.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  8. 8.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) electric current (d) a magnet
  9. 9.Which of these mainly makes sound? (a) a ceiling fan (b) a toaster (c) a mixer grinder (d) a buzzer
  10. 10.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  11. 11.Which of these gives us electricity? (a) a wind turbine (b) a computer (c) a television (d) a refrigerator
  12. 12.True or false: a rice cooker mainly makes sound. (a) True (b) False
  13. 13.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) wind energy
  15. 15.🔍 Which is the odd one out? (a) an LED lamp (b) an electric iron (c) a night lamp (d) a traffic signal
  16. 16.Which of these mainly makes movement? (a) an LED lamp (b) a table fan (c) a room heater (d) a water heater
  17. 17.Which of these mainly makes sound? (a) an electric iron (b) an exhaust fan (c) a siren (d) a toaster
  18. 18.True or false: a doorbell mainly makes sound. (a) False (b) True
  19. 19.🔍 Which is the odd one out? (a) a loudspeaker (b) a rice cooker (c) a doorbell (d) a siren
  20. 20.🔍 Which is the odd one out? (a) a school bell (b) a siren (c) a loudspeaker (d) a street light
  21. 21.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  22. 22.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  23. 23.🔍 Which is the odd one out? (a) a traffic signal (b) an electric kettle (c) a tube light (d) a street light
  24. 24.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.Which of these mainly makes movement? (a) an electric toy car (b) a tube light (c) a siren (d) a traffic signal
  26. 26.🔍 Which is the odd one out? (a) an LED lamp (b) a street light (c) a toaster (d) a night lamp
  27. 27.Which of these mainly makes sound? (a) a school bell (b) a torch (c) a night lamp (d) a street light
  28. 28.🔍 Which is the odd one out? (a) a tube light (b) a ceiling fan (c) a street light (d) a traffic signal
  29. 29.Which of these uses electricity? (a) a power station (b) a generator (c) a television (d) a cell
  30. 30.Which of these mainly gives out heat? (a) an electric kettle (b) an electric drill (c) an electric toy car (d) a loudspeaker
  31. 31.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.True or false: a table fan mainly makes sound. (a) False (b) True
  33. 33.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  34. 34.Which of these mainly gives out heat? (a) a room heater (b) a night lamp (c) a street light (d) a table fan
  35. 35.Which of these mainly gives out heat? (a) a loudspeaker (b) a water heater (c) an electric drill (d) a buzzer
  36. 36.🔍 Which is the odd one out? (a) an electric toy car (b) a traffic signal (c) a table fan (d) a ceiling fan
  37. 37.True or false: an LED lamp mainly makes movement. (a) False (b) True
  38. 38.True or false: a torch mainly makes movement. (a) True (b) False
  39. 39.⚡ What does an electric drill mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  40. 40.⚡ What does a table fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement

Answer key

  1. movement
  2. gives electricity
  3. a doorbell
  4. a computer
  5. sound
  6. a loudspeaker
  7. sound
  8. electric current
  9. a buzzer
  10. electrons
  11. a wind turbine
  12. False
  13. gives electricity
  14. light energy
  15. an electric iron
  16. a table fan
  17. a siren
  18. True
  19. a rice cooker
  20. a street light
  21. movement energy
  22. uses electricity
  23. an electric kettle
  24. uses electricity
  25. an electric toy car
  26. a toaster
  27. a school bell
  28. a ceiling fan
  29. a television
  30. an electric kettle
  31. uses electricity
  32. False
  33. light
  34. a room heater
  35. a water heater
  36. a traffic signal
  37. False
  38. False
  39. movement
  40. movement

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