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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 283 · 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 siren (b) a school bell (c) a doorbell (d) a mixer grinder
  2. 2.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) photons (d) electrons
  3. 3.⚡ What does an electric drill mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  4. 4.🔍 Which is the odd one out? (a) a night lamp (b) an LED lamp (c) a buzzer (d) a torch
  5. 5.True or false: a tube light mainly gives out light. (a) True (b) False
  6. 6.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.Which of these mainly gives out light? (a) a room heater (b) an LED lamp (c) a siren (d) an exhaust fan
  8. 8.True or false: a doorbell mainly gives out light. (a) False (b) True
  9. 9.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  10. 10.Which of these mainly makes sound? (a) a street light (b) a traffic signal (c) a buzzer (d) a rice cooker
  11. 11.🔍 Which is the odd one out? (a) an electric iron (b) an LED lamp (c) a toaster (d) a water heater
  12. 12.⚡ What does an exhaust fan mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  13. 13.🔍 Which is the odd one out? (a) a tube light (b) a room heater (c) a traffic signal (d) a street light
  14. 14.🔍 Which is the odd one out? (a) a rice cooker (b) a mixer grinder (c) an electric toy car (d) a table fan
  15. 15.🔍 Which is the odd one out? (a) a doorbell (b) an electric toy car (c) a siren (d) a buzzer
  16. 16.Which of these mainly gives out heat? (a) an electric kettle (b) an electric drill (c) a ceiling fan (d) an electric toy car
  17. 17.⚡ What does a toaster mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  18. 18.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) a torch (d) a school bell
  19. 19.True or false: an LED lamp mainly gives out light. (a) False (b) True
  20. 20.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  21. 21.True or false: a street light mainly makes movement. (a) True (b) False
  22. 22.⚡ What does a street light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  23. 23.Which of these gives us electricity? (a) a television (b) an air conditioner (c) a computer (d) a solar panel
  24. 24.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.Which of these uses electricity? (a) a washing machine (b) a power station (c) a bicycle dynamo (d) a wind turbine
  26. 26.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) a street light (b) a tube light (c) a water heater (d) a night lamp
  28. 28.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  29. 29.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.True or false: a siren mainly makes sound. (a) False (b) True
  31. 31.Which of these gives us electricity? (a) a television (b) a computer (c) a washing machine (d) a power station
  32. 32.⚡ What does a siren mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  33. 33.True or false: a table fan mainly makes sound. (a) True (b) False
  34. 34.Which of these uses electricity? (a) a solar panel (b) a battery (c) a bicycle dynamo (d) a refrigerator
  35. 35.🔍 Which is the odd one out? (a) an electric drill (b) a street light (c) a ceiling fan (d) an electric toy car
  36. 36.True or false: a tube light mainly makes sound. (a) True (b) False
  37. 37.Which of these mainly makes sound? (a) an electric kettle (b) a doorbell (c) a street light (d) a night lamp
  38. 38.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  39. 39.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  40. 40.Which of these mainly gives out light? (a) an electric toy car (b) a street light (c) a mixer grinder (d) an electric drill

Answer key

  1. a mixer grinder
  2. electrons
  3. movement
  4. a buzzer
  5. True
  6. uses electricity
  7. an LED lamp
  8. False
  9. movement
  10. a buzzer
  11. an LED lamp
  12. movement
  13. a room heater
  14. a rice cooker
  15. an electric toy car
  16. an electric kettle
  17. heat
  18. a school bell
  19. True
  20. movement energy
  21. False
  22. light
  23. a solar panel
  24. gives electricity
  25. a washing machine
  26. True
  27. a water heater
  28. electric current
  29. uses electricity
  30. True
  31. a power station
  32. sound
  33. False
  34. a refrigerator
  35. a street light
  36. False
  37. a doorbell
  38. heat
  39. light
  40. a street light

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