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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 761 · 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 is the odd one out? (a) a toaster (b) an exhaust fan (c) a rice cooker (d) an electric kettle
  2. 2.Which of these mainly makes movement? (a) a loudspeaker (b) a torch (c) a street light (d) a table fan
  3. 3.Which of these gives us electricity? (a) a battery (b) a mobile phone (c) a refrigerator (d) a computer
  4. 4.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.🔍 Which is the odd one out? (a) a siren (b) an LED lamp (c) a night lamp (d) a traffic signal
  6. 6.True or false: a ceiling fan mainly gives out heat. (a) True (b) False
  7. 7.Which of these uses electricity? (a) a wind turbine (b) a cell (c) a bicycle dynamo (d) a mobile phone
  8. 8.⚡ What does a water heater mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  9. 9.🔍 Which is the odd one out? (a) an electric iron (b) an electric kettle (c) an LED lamp (d) a room heater
  10. 10.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.⚡ What does a traffic signal mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  12. 12.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) a room heater (b) a street light (c) a tube light (d) an LED lamp
  14. 14.⚡ What does a tube light mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  15. 15.True or false: a buzzer mainly gives out light. (a) True (b) False
  16. 16.Which of these gives us electricity? (a) a cell (b) an air conditioner (c) a computer (d) a washing machine
  17. 17.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.🔍 Which is the odd one out? (a) a night lamp (b) a tube light (c) a street light (d) a table fan
  19. 19.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) wind energy (d) sound energy
  20. 20.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) movement energy (d) sound energy
  22. 22.Which of these mainly makes movement? (a) a buzzer (b) a doorbell (c) a night lamp (d) a mixer grinder
  23. 23.Which of these mainly gives out light? (a) a night lamp (b) an electric drill (c) a toaster (d) an electric iron
  24. 24.Which of these mainly makes sound? (a) a night lamp (b) a torch (c) a loudspeaker (d) an electric iron
  25. 25.Which of these mainly gives out light? (a) a traffic signal (b) an electric iron (c) an electric drill (d) a loudspeaker
  26. 26.⚡ What does a siren mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  27. 27.True or false: an electric drill mainly makes movement. (a) False (b) True
  28. 28.🔍 Which is the odd one out? (a) a rice cooker (b) a traffic signal (c) a water heater (d) a toaster
  29. 29.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  30. 30.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  31. 31.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  32. 32.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  33. 33.Which of these uses electricity? (a) a television (b) a cell (c) a power station (d) a battery
  34. 34.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.Which of these uses electricity? (a) a generator (b) a wind turbine (c) a water pump (d) a bicycle dynamo
  37. 37.🔍 Which is the odd one out? (a) a toaster (b) a room heater (c) a rice cooker (d) a tube light
  38. 38.Which of these mainly makes movement? (a) a tube light (b) an electric toy car (c) a room heater (d) a school bell
  39. 39.True or false: a traffic signal mainly gives out heat. (a) True (b) False
  40. 40.⚡ What does an LED lamp mainly change electricity into? (a) light (b) heat (c) movement (d) sound

Answer key

  1. an exhaust fan
  2. a table fan
  3. a battery
  4. uses electricity
  5. a siren
  6. False
  7. a mobile phone
  8. heat
  9. an LED lamp
  10. uses electricity
  11. light
  12. True
  13. a room heater
  14. light
  15. False
  16. a cell
  17. uses electricity
  18. a table fan
  19. electrical energy
  20. uses electricity
  21. movement energy
  22. a mixer grinder
  23. a night lamp
  24. a loudspeaker
  25. a traffic signal
  26. sound
  27. True
  28. a traffic signal
  29. movement
  30. heat
  31. electrons
  32. True
  33. a television
  34. gives electricity
  35. uses electricity
  36. a water pump
  37. a tube light
  38. an electric toy car
  39. False
  40. light

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