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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 516 · 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.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  2. 2.True or false: a doorbell mainly gives out heat. (a) False (b) True
  3. 3.⚡ What does an electric iron mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  4. 4.True or false: a water heater mainly gives out heat. (a) True (b) False
  5. 5.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  6. 6.⚡ What does a traffic signal mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  7. 7.🔍 Which is the odd one out? (a) a table fan (b) a doorbell (c) a ceiling fan (d) an electric drill
  8. 8.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.⚡ What does a water heater mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  11. 11.Which of these mainly gives out heat? (a) a mixer grinder (b) a toaster (c) a night lamp (d) a doorbell
  12. 12.🔍 Which is the odd one out? (a) a buzzer (b) a school bell (c) a siren (d) a rice cooker
  13. 13.True or false: a street light mainly makes movement. (a) True (b) False
  14. 14.True or false: a tube light mainly makes movement. (a) True (b) False
  15. 15.🔍 Which is the odd one out? (a) a torch (b) a night lamp (c) a street light (d) an electric iron
  16. 16.Which of these gives us electricity? (a) a computer (b) a generator (c) a mobile phone (d) a washing machine
  17. 17.True or false: an electric iron mainly gives out light. (a) False (b) True
  18. 18.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  19. 19.Which of these mainly makes movement? (a) a torch (b) a buzzer (c) a ceiling fan (d) a tube light
  20. 20.Which of these mainly makes movement? (a) a rice cooker (b) a siren (c) a table fan (d) an LED lamp
  21. 21.Which of these mainly makes sound? (a) an electric drill (b) a street light (c) a loudspeaker (d) an exhaust fan
  22. 22.True or false: an electric toy car mainly makes movement. (a) True (b) False
  23. 23.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) a magnet (d) electric current
  24. 24.🔍 Which is the odd one out? (a) a room heater (b) a torch (c) a night lamp (d) a traffic signal
  25. 25.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  26. 26.⚡ What does a ceiling fan mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  27. 27.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  28. 28.Which of these mainly makes movement? (a) a street light (b) a tube light (c) an exhaust fan (d) a doorbell
  29. 29.Which of these mainly makes sound? (a) a doorbell (b) a torch (c) a table fan (d) an electric kettle
  30. 30.⚡ What does a table fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  31. 31.⚡ What does a buzzer mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  32. 32.Which of these mainly gives out light? (a) a rice cooker (b) a night lamp (c) a doorbell (d) an exhaust fan
  33. 33.Which of these uses electricity? (a) a wind turbine (b) an air conditioner (c) a solar panel (d) a battery
  34. 34.Which of these mainly gives out heat? (a) an electric kettle (b) a doorbell (c) a table fan (d) an LED lamp
  35. 35.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  38. 38.⚡ What does a school bell mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  39. 39.Which of these mainly makes movement? (a) an LED lamp (b) an electric iron (c) a torch (d) an electric toy car
  40. 40.Which of these mainly gives out light? (a) a loudspeaker (b) a buzzer (c) a street light (d) an electric iron

Answer key

  1. gives electricity
  2. False
  3. heat
  4. True
  5. light
  6. light
  7. a doorbell
  8. uses electricity
  9. uses electricity
  10. heat
  11. a toaster
  12. a rice cooker
  13. False
  14. False
  15. an electric iron
  16. a generator
  17. False
  18. heat
  19. a ceiling fan
  20. a table fan
  21. a loudspeaker
  22. True
  23. electric current
  24. a room heater
  25. electrons
  26. movement
  27. movement
  28. an exhaust fan
  29. a doorbell
  30. movement
  31. sound
  32. a night lamp
  33. an air conditioner
  34. an electric kettle
  35. gives electricity
  36. uses electricity
  37. True
  38. sound
  39. an electric toy car
  40. a street light

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