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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 752 · 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.

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

Answer key

  1. a toaster
  2. a water pump
  3. a mobile phone
  4. True
  5. electric current
  6. False
  7. a doorbell
  8. uses electricity
  9. False
  10. a room heater
  11. an LED lamp
  12. sound
  13. gives electricity
  14. a street light
  15. a street light
  16. an electric kettle
  17. False
  18. a torch
  19. False
  20. an electric drill
  21. True
  22. a tube light
  23. a torch
  24. a buzzer
  25. an electric drill
  26. movement
  27. electrons
  28. heat
  29. electrical energy
  30. False
  31. a power station
  32. a tube light
  33. heat
  34. a traffic signal
  35. a solar panel
  36. True
  37. a toaster
  38. a computer
  39. a school bell
  40. False

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