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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. heat
  2. False
  3. False
  4. sound
  5. a generator
  6. an exhaust fan
  7. a power station
  8. electrons
  9. electric current
  10. a night lamp
  11. a room heater
  12. uses electricity
  13. gives electricity
  14. a night lamp
  15. a bicycle dynamo
  16. a loudspeaker
  17. an electric iron
  18. movement energy
  19. gives electricity
  20. gives electricity
  21. a buzzer
  22. light
  23. a rice cooker
  24. a rice cooker
  25. an air conditioner
  26. a street light
  27. a siren
  28. a toaster
  29. True
  30. False
  31. uses electricity
  32. False
  33. False
  34. movement
  35. an LED lamp
  36. movement
  37. a room heater
  38. uses electricity
  39. an electric drill
  40. a table fan

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