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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 132 · 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 table fan mainly makes movement. (a) False (b) True
  2. 2.🔍 Which is the odd one out? (a) a street light (b) a buzzer (c) a school bell (d) a doorbell
  3. 3.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.Which of these uses electricity? (a) a battery (b) a cell (c) a mobile phone (d) a power station
  5. 5.🔍 Which is the odd one out? (a) an electric drill (b) a rice cooker (c) a water heater (d) a room heater
  6. 6.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  7. 7.🔍 Which is the odd one out? (a) a siren (b) a school bell (c) a loudspeaker (d) a night lamp
  8. 8.🔍 Which is the odd one out? (a) a toaster (b) an electric iron (c) a room heater (d) an electric toy car
  9. 9.⚡ What does an electric drill mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  10. 10.True or false: an LED lamp mainly gives out heat. (a) True (b) False
  11. 11.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) electrons (d) water drops
  12. 12.True or false: a street light mainly gives out light. (a) False (b) True
  13. 13.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) movement energy (c) sound energy (d) chemical energy
  14. 14.True or false: a doorbell mainly makes movement. (a) False (b) True
  15. 15.Which of these mainly makes sound? (a) a torch (b) a tube light (c) a doorbell (d) an electric iron
  16. 16.True or false: a buzzer mainly makes movement. (a) True (b) False
  17. 17.Which of these uses electricity? (a) a battery (b) a solar panel (c) a washing machine (d) a cell
  18. 18.🔍 Which is the odd one out? (a) a ceiling fan (b) a table fan (c) a room heater (d) a mixer grinder
  19. 19.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.Which of these gives us electricity? (a) an air conditioner (b) a bicycle dynamo (c) a computer (d) a mobile phone
  21. 21.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  22. 22.Which of these mainly gives out light? (a) an electric drill (b) a school bell (c) a siren (d) a traffic signal
  23. 23.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.🔍 Which is the odd one out? (a) a room heater (b) a toaster (c) an electric iron (d) a mixer grinder
  25. 25.True or false: a school bell mainly gives out heat. (a) True (b) False
  26. 26.Which of these mainly gives out heat? (a) a school bell (b) a tube light (c) a street light (d) a toaster
  27. 27.Which of these mainly gives out heat? (a) a school bell (b) an exhaust fan (c) an electric kettle (d) a ceiling fan
  28. 28.⚡ What does an electric iron mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  29. 29.Which of these gives us electricity? (a) a washing machine (b) a power station (c) a television (d) a refrigerator
  30. 30.Which of these uses electricity? (a) a bicycle dynamo (b) a water pump (c) a wind turbine (d) a cell
  31. 31.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.🔍 Which is the odd one out? (a) an LED lamp (b) a night lamp (c) a torch (d) a buzzer
  33. 33.Which of these mainly gives out light? (a) a night lamp (b) an electric iron (c) a rice cooker (d) a doorbell
  34. 34.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  35. 35.🔍 Which is the odd one out? (a) a mixer grinder (b) a rice cooker (c) an electric toy car (d) an exhaust fan
  36. 36.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  37. 37.⚡ What does a tube light mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  38. 38.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  39. 39.⚡ What does a doorbell mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  40. 40.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) sound (d) friction

Answer key

  1. True
  2. a street light
  3. gives electricity
  4. a mobile phone
  5. an electric drill
  6. light
  7. a night lamp
  8. an electric toy car
  9. movement
  10. False
  11. electrons
  12. True
  13. movement energy
  14. False
  15. a doorbell
  16. False
  17. a washing machine
  18. a room heater
  19. gives electricity
  20. a bicycle dynamo
  21. heat
  22. a traffic signal
  23. uses electricity
  24. a mixer grinder
  25. False
  26. a toaster
  27. an electric kettle
  28. heat
  29. a power station
  30. a water pump
  31. uses electricity
  32. a buzzer
  33. a night lamp
  34. heat
  35. a rice cooker
  36. movement
  37. light
  38. movement energy
  39. sound
  40. electric current

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