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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 622 · 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 of these mainly makes movement? (a) a traffic signal (b) a ceiling fan (c) a tube light (d) a toaster
  2. 2.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  3. 3.Which of these uses electricity? (a) a battery (b) a generator (c) a cell (d) a mobile phone
  4. 4.Which of these gives us electricity? (a) a battery (b) a television (c) a washing machine (d) a refrigerator
  5. 5.Which of these mainly gives out heat? (a) an LED lamp (b) an electric toy car (c) a traffic signal (d) an electric kettle
  6. 6.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.🔍 Which is the odd one out? (a) a siren (b) a torch (c) a traffic signal (d) a tube light
  8. 8.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.🔍 Which is the odd one out? (a) an exhaust fan (b) a mixer grinder (c) a table fan (d) an LED lamp
  10. 10.True or false: a tube light mainly makes movement. (a) True (b) False
  11. 11.⚡ What does a street light mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  12. 12.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  13. 13.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.True or false: a street light mainly makes sound. (a) False (b) True
  16. 16.True or false: an electric drill mainly makes sound. (a) False (b) True
  17. 17.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) nuclear energy (c) electrical energy (d) wind energy
  18. 18.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.Which of these mainly makes sound? (a) an exhaust fan (b) an electric iron (c) a ceiling fan (d) a school bell
  20. 20.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  21. 21.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) water drops (d) dust particles
  22. 22.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) light energy (d) chemical energy
  23. 23.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a bicycle dynamo (d) a refrigerator
  24. 24.Which of these uses electricity? (a) a battery (b) a wind turbine (c) a refrigerator (d) a cell
  25. 25.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  26. 26.Which of these mainly makes sound? (a) an LED lamp (b) a mixer grinder (c) a tube light (d) a loudspeaker
  27. 27.Which of these uses electricity? (a) a wind turbine (b) a battery (c) a cell (d) an air conditioner
  28. 28.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) light energy (c) chemical energy (d) sound energy
  29. 29.True or false: an electric kettle mainly makes movement. (a) True (b) False
  30. 30.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  31. 31.⚡ What does a tube light mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  32. 32.True or false: an LED lamp mainly gives out light. (a) True (b) False
  33. 33.⚡ What does a siren mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  34. 34.Which of these mainly gives out heat? (a) a buzzer (b) an exhaust fan (c) an electric toy car (d) a room heater
  35. 35.True or false: an electric iron mainly gives out light. (a) True (b) False
  36. 36.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  37. 37.⚡ What does a water heater mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  38. 38.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  39. 39.🔍 Which is the odd one out? (a) a buzzer (b) an electric iron (c) a loudspeaker (d) a siren
  40. 40.Which of these mainly makes sound? (a) a torch (b) a siren (c) a night lamp (d) a room heater

Answer key

  1. a ceiling fan
  2. electric current
  3. a mobile phone
  4. a battery
  5. an electric kettle
  6. uses electricity
  7. a siren
  8. gives electricity
  9. an LED lamp
  10. False
  11. light
  12. movement energy
  13. gives electricity
  14. gives electricity
  15. False
  16. False
  17. electrical energy
  18. uses electricity
  19. a school bell
  20. movement
  21. electrons
  22. light energy
  23. a bicycle dynamo
  24. a refrigerator
  25. uses electricity
  26. a loudspeaker
  27. an air conditioner
  28. movement energy
  29. False
  30. heat
  31. light
  32. True
  33. sound
  34. a room heater
  35. False
  36. movement
  37. heat
  38. uses electricity
  39. an electric iron
  40. a siren

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