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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 677 · 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 night lamp mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  2. 2.⚡ What does a street light mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  3. 3.Which of these mainly gives out heat? (a) a traffic signal (b) an LED lamp (c) a table fan (d) a toaster
  4. 4.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  5. 5.True or false: an electric iron mainly gives out light. (a) True (b) False
  6. 6.Which of these mainly gives out heat? (a) an electric kettle (b) an exhaust fan (c) a ceiling fan (d) a table fan
  7. 7.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) movement energy (c) sound energy (d) light energy
  8. 8.True or false: a water heater mainly gives out heat. (a) False (b) True
  9. 9.⚡ What does a tube light mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  10. 10.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  11. 11.Which of these gives us electricity? (a) a water pump (b) a computer (c) a bicycle dynamo (d) a washing machine
  12. 12.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  13. 13.🔍 Which is the odd one out? (a) a water heater (b) a siren (c) a room heater (d) an electric kettle
  14. 14.True or false: an exhaust fan mainly gives out light. (a) False (b) True
  15. 15.Which of these mainly makes sound? (a) a water heater (b) a loudspeaker (c) a torch (d) a mixer grinder
  16. 16.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) a magnet (d) friction
  18. 18.🔍 Which is the odd one out? (a) a tube light (b) a night lamp (c) a torch (d) an electric toy car
  19. 19.Which of these gives us electricity? (a) a mobile phone (b) a water pump (c) a television (d) a cell
  20. 20.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) dust particles (c) water drops (d) photons
  21. 21.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.Which of these uses electricity? (a) a generator (b) a power station (c) a mobile phone (d) a solar panel
  23. 23.⚡ What does an electric iron mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  24. 24.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) a solar panel (d) a washing machine
  25. 25.Which of these gives us electricity? (a) a computer (b) a refrigerator (c) a television (d) a power station
  26. 26.🔍 Which is the odd one out? (a) a buzzer (b) a night lamp (c) a torch (d) an LED lamp
  27. 27.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.🔍 Which is the odd one out? (a) an electric kettle (b) a water heater (c) a mixer grinder (d) a toaster
  29. 29.Which of these mainly makes movement? (a) a buzzer (b) a loudspeaker (c) a siren (d) an electric drill
  30. 30.Which of these uses electricity? (a) a solar panel (b) a battery (c) a wind turbine (d) a computer
  31. 31.⚡ What does a torch mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  32. 32.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  33. 33.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) light energy (d) chemical energy
  34. 34.True or false: a street light mainly gives out heat. (a) False (b) True
  35. 35.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.True or false: a toaster mainly gives out light. (a) False (b) True
  37. 37.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  38. 38.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.🔍 Which is the odd one out? (a) a doorbell (b) an LED lamp (c) a street light (d) a tube light
  40. 40.🔍 Which is the odd one out? (a) a torch (b) a street light (c) a tube light (d) a table fan

Answer key

  1. light
  2. light
  3. a toaster
  4. movement energy
  5. False
  6. an electric kettle
  7. movement energy
  8. True
  9. light
  10. gives electricity
  11. a bicycle dynamo
  12. heat
  13. a siren
  14. False
  15. a loudspeaker
  16. uses electricity
  17. electric current
  18. an electric toy car
  19. a cell
  20. electrons
  21. gives electricity
  22. a mobile phone
  23. heat
  24. a solar panel
  25. a power station
  26. a buzzer
  27. gives electricity
  28. a mixer grinder
  29. an electric drill
  30. a computer
  31. light
  32. heat
  33. light energy
  34. False
  35. uses electricity
  36. False
  37. gives electricity
  38. gives electricity
  39. a doorbell
  40. a table fan

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