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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 756 · 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 ceiling fan mainly makes movement. (a) True (b) False
  2. 2.True or false: a doorbell mainly makes sound. (a) True (b) False
  3. 3.Which of these mainly makes sound? (a) an electric drill (b) a room heater (c) a school bell (d) an electric toy car
  4. 4.Which of these uses electricity? (a) a bicycle dynamo (b) a television (c) a solar panel (d) a power station
  5. 5.🔍 Which is the odd one out? (a) a night lamp (b) a torch (c) an LED lamp (d) a doorbell
  6. 6.Which of these gives us electricity? (a) a water pump (b) a power station (c) a mobile phone (d) an air conditioner
  7. 7.Which of these gives us electricity? (a) an air conditioner (b) a computer (c) a television (d) a bicycle dynamo
  8. 8.Which of these uses electricity? (a) a solar panel (b) a generator (c) a bicycle dynamo (d) a water pump
  9. 9.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) electric current (d) sound
  10. 10.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) electrons (c) dust particles (d) photons
  11. 11.Which of these uses electricity? (a) a solar panel (b) a cell (c) a computer (d) a wind turbine
  12. 12.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) an electric drill (b) a table fan (c) a mixer grinder (d) an LED lamp
  14. 14.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.⚡ What does an electric iron mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  16. 16.⚡ What does a tube light mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  17. 17.🔍 Which is the odd one out? (a) a loudspeaker (b) a doorbell (c) a buzzer (d) an electric iron
  18. 18.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) wind energy (c) sound energy (d) light energy
  19. 19.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  21. 21.Which of these mainly makes movement? (a) a school bell (b) an electric toy car (c) a room heater (d) a tube light
  22. 22.🔍 Which is the odd one out? (a) a room heater (b) a torch (c) a traffic signal (d) a street light
  23. 23.🔍 Which is the odd one out? (a) a rice cooker (b) an electric iron (c) a ceiling fan (d) a water heater
  24. 24.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  25. 25.Which of these mainly gives out heat? (a) an LED lamp (b) a tube light (c) a school bell (d) an electric iron
  26. 26.Which of these mainly gives out light? (a) a toaster (b) a table fan (c) a siren (d) an LED lamp
  27. 27.⚡ What does a water heater mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  28. 28.Which of these mainly gives out heat? (a) a mixer grinder (b) a ceiling fan (c) an exhaust fan (d) an electric kettle
  29. 29.Which of these uses electricity? (a) a generator (b) a power station (c) a wind turbine (d) a refrigerator
  30. 30.True or false: an electric iron mainly makes movement. (a) False (b) True
  31. 31.Which of these mainly makes movement? (a) an electric kettle (b) a table fan (c) a room heater (d) an LED lamp
  32. 32.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  33. 33.True or false: a siren mainly makes sound. (a) True (b) False
  34. 34.Which of these gives us electricity? (a) a water pump (b) a computer (c) a generator (d) a mobile phone
  35. 35.⚡ What does a night lamp mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  36. 36.Which of these mainly gives out light? (a) a room heater (b) a ceiling fan (c) a night lamp (d) an electric kettle
  37. 37.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  38. 38.Which of these mainly gives out heat? (a) a traffic signal (b) a school bell (c) a toaster (d) an exhaust fan
  39. 39.🔍 Which is the odd one out? (a) a torch (b) a table fan (c) an LED lamp (d) a night lamp
  40. 40.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) heat (c) light (d) movement

Answer key

  1. True
  2. True
  3. a school bell
  4. a television
  5. a doorbell
  6. a power station
  7. a bicycle dynamo
  8. a water pump
  9. electric current
  10. electrons
  11. a computer
  12. True
  13. an LED lamp
  14. uses electricity
  15. heat
  16. light
  17. an electric iron
  18. light energy
  19. gives electricity
  20. heat
  21. an electric toy car
  22. a room heater
  23. a ceiling fan
  24. movement
  25. an electric iron
  26. an LED lamp
  27. heat
  28. an electric kettle
  29. a refrigerator
  30. False
  31. a table fan
  32. movement
  33. True
  34. a generator
  35. light
  36. a night lamp
  37. gives electricity
  38. a toaster
  39. a table fan
  40. sound

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