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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 935 · 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 mixer grinder (b) a night lamp (c) an electric drill (d) an electric toy car
  2. 2.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) wind energy (d) sound energy
  3. 3.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.⚡ What does an electric drill mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  5. 5.True or false: a torch mainly makes sound. (a) True (b) False
  6. 6.⚡ What does a table fan mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  7. 7.⚡ What does a siren mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  8. 8.Which of these uses electricity? (a) a wind turbine (b) a water pump (c) a solar panel (d) a bicycle dynamo
  9. 9.Which of these mainly gives out heat? (a) a school bell (b) a rice cooker (c) a tube light (d) a table fan
  10. 10.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) photons (d) dust particles
  11. 11.Which of these mainly gives out light? (a) an LED lamp (b) a room heater (c) a table fan (d) a loudspeaker
  12. 12.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  13. 13.Which of these mainly gives out light? (a) a loudspeaker (b) a room heater (c) a torch (d) a rice cooker
  14. 14.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.⚡ What does a street light mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  16. 16.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  17. 17.Which of these mainly gives out heat? (a) a toaster (b) a mixer grinder (c) a street light (d) a doorbell
  18. 18.True or false: a tube light mainly gives out light. (a) False (b) True
  19. 19.True or false: a rice cooker mainly gives out heat. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) a siren (b) a traffic signal (c) an LED lamp (d) a tube light
  21. 21.🔍 Which is the odd one out? (a) a torch (b) a traffic signal (c) a tube light (d) a water heater
  22. 22.Which of these mainly gives out light? (a) a toaster (b) a buzzer (c) a doorbell (d) a tube light
  23. 23.Which of these mainly gives out heat? (a) an electric drill (b) a water heater (c) a traffic signal (d) an exhaust fan
  24. 24.Which of these mainly gives out light? (a) an exhaust fan (b) a toaster (c) a school bell (d) a traffic signal
  25. 25.True or false: a table fan mainly makes movement. (a) False (b) True
  26. 26.Which of these gives us electricity? (a) a washing machine (b) a television (c) an air conditioner (d) a cell
  27. 27.True or false: a traffic signal mainly gives out heat. (a) True (b) False
  28. 28.Which of these gives us electricity? (a) a computer (b) a television (c) a washing machine (d) a wind turbine
  29. 29.Which of these mainly gives out heat? (a) an electric iron (b) a school bell (c) a doorbell (d) a loudspeaker
  30. 30.🔍 Which is the odd one out? (a) a traffic signal (b) a loudspeaker (c) a tube light (d) a night lamp
  31. 31.Which of these uses electricity? (a) a generator (b) a refrigerator (c) a bicycle dynamo (d) a wind turbine
  32. 32.Which of these uses electricity? (a) a cell (b) a washing machine (c) a solar panel (d) a power station
  33. 33.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  34. 34.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  35. 35.Which of these mainly gives out heat? (a) a loudspeaker (b) a traffic signal (c) a room heater (d) a street light
  36. 36.🔍 Which is the odd one out? (a) an LED lamp (b) a doorbell (c) a night lamp (d) a tube light
  37. 37.Which of these mainly makes sound? (a) an LED lamp (b) a torch (c) a street light (d) a siren
  38. 38.Which of these mainly makes sound? (a) a school bell (b) an electric iron (c) a night lamp (d) a water heater
  39. 39.True or false: a water heater mainly gives out light. (a) False (b) True
  40. 40.🔍 Which is the odd one out? (a) a traffic signal (b) a night lamp (c) an LED lamp (d) a buzzer

Answer key

  1. a night lamp
  2. light energy
  3. uses electricity
  4. movement
  5. False
  6. movement
  7. sound
  8. a water pump
  9. a rice cooker
  10. electrons
  11. an LED lamp
  12. uses electricity
  13. a torch
  14. gives electricity
  15. light
  16. movement energy
  17. a toaster
  18. True
  19. True
  20. a siren
  21. a water heater
  22. a tube light
  23. a water heater
  24. a traffic signal
  25. True
  26. a cell
  27. False
  28. a wind turbine
  29. an electric iron
  30. a loudspeaker
  31. a refrigerator
  32. a washing machine
  33. light
  34. electric current
  35. a room heater
  36. a doorbell
  37. a siren
  38. a school bell
  39. False
  40. a buzzer

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