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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 175 · 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 an exhaust fan mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  2. 2.Which of these mainly gives out heat? (a) a mixer grinder (b) a room heater (c) a torch (d) a buzzer
  3. 3.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.Which of these gives us electricity? (a) a mobile phone (b) a wind turbine (c) a washing machine (d) an air conditioner
  5. 5.True or false: a ceiling fan mainly gives out light. (a) True (b) False
  6. 6.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) electric current (d) sound
  7. 7.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.Which of these gives us electricity? (a) a water pump (b) an air conditioner (c) a cell (d) a television
  9. 9.Which of these mainly gives out light? (a) an electric kettle (b) a tube light (c) a rice cooker (d) an exhaust fan
  10. 10.⚡ What does a siren mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  11. 11.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  12. 12.Which of these mainly makes sound? (a) a night lamp (b) a traffic signal (c) a doorbell (d) a room heater
  13. 13.⚡ What does a torch mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  14. 14.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) wind energy
  15. 15.True or false: a torch mainly makes movement. (a) True (b) False
  16. 16.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.🔍 Which is the odd one out? (a) an LED lamp (b) a street light (c) an electric iron (d) a tube light
  18. 18.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  19. 19.⚡ What does a table fan mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  20. 20.Which of these mainly gives out light? (a) a buzzer (b) a rice cooker (c) a torch (d) a ceiling fan
  21. 21.Which of these mainly makes sound? (a) a mixer grinder (b) a night lamp (c) a buzzer (d) an LED lamp
  22. 22.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  23. 23.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) water drops (d) dust particles
  24. 24.Which of these mainly makes movement? (a) a street light (b) a loudspeaker (c) an electric drill (d) an LED lamp
  25. 25.🔍 Which is the odd one out? (a) a toaster (b) an LED lamp (c) a torch (d) a night lamp
  26. 26.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.⚡ What does a night lamp mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  28. 28.🔍 Which is the odd one out? (a) a toaster (b) a mixer grinder (c) a water heater (d) an electric iron
  29. 29.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.Which of these uses electricity? (a) a washing machine (b) a wind turbine (c) a cell (d) a generator
  31. 31.⚡ What does an electric kettle mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  32. 32.Which of these mainly gives out light? (a) a table fan (b) a rice cooker (c) a night lamp (d) a loudspeaker
  33. 33.Which of these mainly gives out light? (a) an exhaust fan (b) a traffic signal (c) a table fan (d) a room heater
  34. 34.True or false: a ceiling fan mainly makes movement. (a) True (b) False
  35. 35.⚡ What does a tube light mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  36. 36.Which of these gives us electricity? (a) a computer (b) a refrigerator (c) a water pump (d) a power station
  37. 37.True or false: a doorbell mainly makes movement. (a) True (b) False
  38. 38.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  39. 39.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) light (c) movement (d) sound

Answer key

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

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