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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 46 · 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.Which of these uses electricity? (a) a television (b) a power station (c) a bicycle dynamo (d) a generator
  2. 2.Which of these mainly gives out heat? (a) a tube light (b) an electric drill (c) an exhaust fan (d) a rice cooker
  3. 3.Which of these mainly gives out light? (a) a night lamp (b) a school bell (c) a buzzer (d) a doorbell
  4. 4.Which of these gives us electricity? (a) a refrigerator (b) a television (c) a bicycle dynamo (d) a mobile phone
  5. 5.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.Which of these uses electricity? (a) a battery (b) a wind turbine (c) a generator (d) a water pump
  7. 7.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric drill (c) an electric iron (d) a table fan
  8. 8.Which of these mainly gives out light? (a) a water heater (b) an electric drill (c) a buzzer (d) a traffic signal
  9. 9.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) dust particles (d) photons
  11. 11.True or false: an LED lamp mainly gives out light. (a) True (b) False
  12. 12.Which of these mainly makes movement? (a) a rice cooker (b) an electric drill (c) a torch (d) a traffic signal
  13. 13.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) sound energy (c) electrical energy (d) wind energy
  14. 14.🔍 Which is the odd one out? (a) a buzzer (b) a water heater (c) a school bell (d) a doorbell
  15. 15.Which of these mainly gives out heat? (a) a night lamp (b) a table fan (c) a traffic signal (d) an electric iron
  16. 16.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  17. 17.🔍 Which is the odd one out? (a) a mixer grinder (b) a tube light (c) an exhaust fan (d) an electric toy car
  18. 18.🔍 Which is the odd one out? (a) a torch (b) a buzzer (c) an LED lamp (d) a night lamp
  19. 19.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.⚡ What does a siren mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  21. 21.Which of these mainly makes movement? (a) an electric toy car (b) a street light (c) a room heater (d) a night lamp
  22. 22.True or false: a night lamp mainly gives out light. (a) True (b) False
  23. 23.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) a mobile phone (d) a cell
  24. 24.Which of these mainly gives out light? (a) an electric toy car (b) a street light (c) a mixer grinder (d) a loudspeaker
  25. 25.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  26. 26.Which of these uses electricity? (a) a battery (b) a power station (c) a mobile phone (d) a wind turbine
  27. 27.Which of these mainly makes sound? (a) a doorbell (b) a traffic signal (c) a mixer grinder (d) a night lamp
  28. 28.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.⚡ What does a toaster mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  30. 30.⚡ What does a room heater mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  31. 31.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) electric current (d) a magnet
  32. 32.🔍 Which is the odd one out? (a) an electric kettle (b) a torch (c) a tube light (d) a street light
  33. 33.True or false: a water heater mainly gives out light. (a) True (b) False
  34. 34.Which of these gives us electricity? (a) a water pump (b) an air conditioner (c) a refrigerator (d) a solar panel
  35. 35.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  36. 36.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.True or false: an electric drill mainly makes movement. (a) False (b) True
  38. 38.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) sound energy (c) light energy (d) chemical energy
  39. 39.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  40. 40.Which of these mainly gives out heat? (a) a school bell (b) a ceiling fan (c) a water heater (d) a street light

Answer key

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

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