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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 171 · 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 mixer grinder mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  2. 2.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  3. 3.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  4. 4.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  5. 5.🔍 Which is the odd one out? (a) a rice cooker (b) an LED lamp (c) a tube light (d) a night lamp
  6. 6.⚡ What does a room heater mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  7. 7.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) an exhaust fan (d) a traffic signal
  8. 8.Which of these mainly gives out light? (a) a tube light (b) a buzzer (c) a doorbell (d) an electric drill
  9. 9.Which of these gives us electricity? (a) a refrigerator (b) a generator (c) a television (d) a water pump
  10. 10.🔍 Which is the odd one out? (a) a night lamp (b) a doorbell (c) a tube light (d) a street light
  11. 11.True or false: a rice cooker mainly makes movement. (a) True (b) False
  12. 12.True or false: an electric drill mainly makes movement. (a) True (b) False
  13. 13.⚡ What does a table fan mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  14. 14.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) wind energy
  16. 16.⚡ What does an electric iron mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  17. 17.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a computer (d) a power station
  18. 18.⚡ What does a buzzer mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  19. 19.Which of these mainly makes sound? (a) a rice cooker (b) a traffic signal (c) a school bell (d) a mixer grinder
  20. 20.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.True or false: a buzzer mainly makes sound. (a) True (b) False
  22. 22.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  23. 23.🔍 Which is the odd one out? (a) a traffic signal (b) a loudspeaker (c) a tube light (d) a torch
  24. 24.Which of these mainly makes movement? (a) a ceiling fan (b) an electric kettle (c) a torch (d) a buzzer
  25. 25.Which of these gives us electricity? (a) a mobile phone (b) a wind turbine (c) an air conditioner (d) a television
  26. 26.True or false: a traffic signal mainly gives out light. (a) True (b) False
  27. 27.⚡ What does a toaster mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  28. 28.Which of these mainly gives out light? (a) a rice cooker (b) a table fan (c) a buzzer (d) a torch
  29. 29.🔍 Which is the odd one out? (a) a street light (b) a tube light (c) a buzzer (d) a traffic signal
  30. 30.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) dust particles (d) photons
  31. 31.🔍 Which is the odd one out? (a) a torch (b) a siren (c) an LED lamp (d) a night lamp
  32. 32.Which of these mainly gives out heat? (a) a traffic signal (b) a water heater (c) a doorbell (d) a street light
  33. 33.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  34. 34.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  35. 35.Which of these mainly gives out light? (a) a loudspeaker (b) an exhaust fan (c) an electric kettle (d) a traffic signal
  36. 36.Which of these gives us electricity? (a) a mobile phone (b) a washing machine (c) an air conditioner (d) a battery
  37. 37.True or false: an electric drill mainly gives out light. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) an LED lamp (b) a tube light (c) an electric kettle (d) a torch
  39. 39.Which of these mainly makes sound? (a) a traffic signal (b) a table fan (c) an LED lamp (d) a siren
  40. 40.Which of these mainly makes movement? (a) a torch (b) a loudspeaker (c) an LED lamp (d) a table fan

Answer key

  1. movement
  2. True
  3. movement energy
  4. sound
  5. a rice cooker
  6. heat
  7. an exhaust fan
  8. a tube light
  9. a generator
  10. a doorbell
  11. False
  12. True
  13. movement
  14. uses electricity
  15. light energy
  16. heat
  17. a power station
  18. sound
  19. a school bell
  20. gives electricity
  21. True
  22. True
  23. a loudspeaker
  24. a ceiling fan
  25. a wind turbine
  26. True
  27. heat
  28. a torch
  29. a buzzer
  30. electrons
  31. a siren
  32. a water heater
  33. True
  34. gives electricity
  35. a traffic signal
  36. a battery
  37. False
  38. an electric kettle
  39. a siren
  40. a table fan

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