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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 502 · 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 traffic signal mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  2. 2.⚡ What does a torch mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  3. 3.True or false: a tube light mainly makes sound. (a) False (b) True
  4. 4.True or false: a tube light mainly gives out light. (a) False (b) True
  5. 5.True or false: a street light mainly gives out light. (a) False (b) True
  6. 6.True or false: a water heater mainly makes sound. (a) True (b) False
  7. 7.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) friction (d) sound
  8. 8.🔍 Which is the odd one out? (a) a table fan (b) a school bell (c) a loudspeaker (d) a doorbell
  9. 9.🔍 Which is the odd one out? (a) a night lamp (b) a rice cooker (c) a room heater (d) an electric kettle
  10. 10.🔍 Which is the odd one out? (a) a ceiling fan (b) a tube light (c) a torch (d) a street light
  11. 11.True or false: an exhaust fan mainly makes sound. (a) False (b) True
  12. 12.🔍 Which is the odd one out? (a) an exhaust fan (b) a rice cooker (c) an electric kettle (d) a water heater
  13. 13.🔍 Which is the odd one out? (a) a water heater (b) a room heater (c) an electric iron (d) a tube light
  14. 14.Which of these mainly makes sound? (a) a night lamp (b) an LED lamp (c) an electric drill (d) a loudspeaker
  15. 15.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.⚡ What does a school bell mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  17. 17.Which of these gives us electricity? (a) a washing machine (b) a cell (c) a television (d) a refrigerator
  18. 18.⚡ What does an electric drill mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  19. 19.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) electrons (d) dust particles
  21. 21.🔍 Which is the odd one out? (a) a street light (b) a night lamp (c) an LED lamp (d) an electric iron
  22. 22.Which of these gives us electricity? (a) a computer (b) a refrigerator (c) a television (d) a solar panel
  23. 23.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  24. 24.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) electrical energy (d) sound energy
  25. 25.⚡ What does an LED lamp mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  26. 26.⚡ What does a night lamp mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  27. 27.True or false: a table fan mainly gives out light. (a) True (b) False
  28. 28.Which of these mainly gives out light? (a) a table fan (b) a rice cooker (c) a ceiling fan (d) a night lamp
  29. 29.⚡ What does a doorbell mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  30. 30.True or false: a night lamp mainly makes sound. (a) True (b) False
  31. 31.Which of these mainly makes movement? (a) an exhaust fan (b) a water heater (c) an electric iron (d) a room heater
  32. 32.Which of these uses electricity? (a) a bicycle dynamo (b) a solar panel (c) a water pump (d) a generator
  33. 33.Which of these mainly gives out light? (a) a loudspeaker (b) a torch (c) a water heater (d) a room heater
  34. 34.🔍 Which is the odd one out? (a) a loudspeaker (b) an electric kettle (c) a school bell (d) a doorbell
  35. 35.Which of these uses electricity? (a) a battery (b) a computer (c) a wind turbine (d) a cell
  36. 36.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  37. 37.True or false: a mixer grinder mainly gives out light. (a) False (b) True
  38. 38.🔍 Which is the odd one out? (a) a torch (b) an LED lamp (c) a tube light (d) a school bell
  39. 39.⚡ What does a buzzer mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  40. 40.Which of these mainly makes sound? (a) an exhaust fan (b) a water heater (c) a doorbell (d) an electric iron

Answer key

  1. light
  2. light
  3. False
  4. True
  5. True
  6. False
  7. electric current
  8. a table fan
  9. a night lamp
  10. a ceiling fan
  11. False
  12. an exhaust fan
  13. a tube light
  14. a loudspeaker
  15. uses electricity
  16. sound
  17. a cell
  18. movement
  19. gives electricity
  20. electrons
  21. an electric iron
  22. a solar panel
  23. movement
  24. electrical energy
  25. light
  26. light
  27. False
  28. a night lamp
  29. sound
  30. False
  31. an exhaust fan
  32. a water pump
  33. a torch
  34. an electric kettle
  35. a computer
  36. movement energy
  37. False
  38. a school bell
  39. sound
  40. a doorbell

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