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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 182 · 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 gives out light? (a) an electric kettle (b) a room heater (c) a table fan (d) a torch
  2. 2.⚡ What does a torch mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  3. 3.🔍 Which is the odd one out? (a) a tube light (b) a water heater (c) a traffic signal (d) an LED lamp
  4. 4.⚡ What does a street light mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  5. 5.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  6. 6.True or false: a torch mainly gives out heat. (a) False (b) True
  7. 7.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  9. 9.Which of these uses electricity? (a) a bicycle dynamo (b) an air conditioner (c) a wind turbine (d) a solar panel
  10. 10.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  11. 11.Which of these mainly gives out heat? (a) a school bell (b) a tube light (c) a doorbell (d) an electric iron
  12. 12.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) chemical energy (c) sound energy (d) light energy
  13. 13.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) movement energy
  15. 15.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  16. 16.Which of these uses electricity? (a) a generator (b) a cell (c) a bicycle dynamo (d) a refrigerator
  17. 17.True or false: a siren mainly gives out heat. (a) True (b) False
  18. 18.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  19. 19.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.Which of these mainly makes sound? (a) a ceiling fan (b) a water heater (c) a table fan (d) a siren
  21. 21.🔍 Which is the odd one out? (a) a torch (b) a night lamp (c) an LED lamp (d) an electric iron
  22. 22.Which of these mainly gives out light? (a) a buzzer (b) a school bell (c) a mixer grinder (d) a traffic signal
  23. 23.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.⚡ What does a table fan mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  25. 25.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  26. 26.🔍 Which is the odd one out? (a) a street light (b) an exhaust fan (c) an electric drill (d) a table fan
  27. 27.⚡ What does a school bell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  28. 28.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  29. 29.⚡ What does an electric iron mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  30. 30.⚡ What does a room heater mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  31. 31.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  32. 32.Which of these mainly gives out light? (a) a siren (b) an LED lamp (c) a water heater (d) a ceiling fan
  33. 33.⚡ What does a tube light mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  34. 34.True or false: a rice cooker mainly makes movement. (a) True (b) False
  35. 35.Which of these gives us electricity? (a) a solar panel (b) a computer (c) a refrigerator (d) a washing machine
  36. 36.🔍 Which is the odd one out? (a) an electric drill (b) a tube light (c) an exhaust fan (d) a ceiling fan
  37. 37.⚡ What does an electric drill mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  38. 38.True or false: a water heater mainly gives out light. (a) True (b) False
  39. 39.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) a magnet (d) electric current
  40. 40.Which of these mainly gives out light? (a) a table fan (b) a water heater (c) a street light (d) a doorbell

Answer key

  1. a torch
  2. light
  3. a water heater
  4. light
  5. light
  6. False
  7. uses electricity
  8. heat
  9. an air conditioner
  10. electrons
  11. an electric iron
  12. movement energy
  13. gives electricity
  14. movement energy
  15. heat
  16. a refrigerator
  17. False
  18. True
  19. uses electricity
  20. a siren
  21. an electric iron
  22. a traffic signal
  23. gives electricity
  24. movement
  25. True
  26. a street light
  27. sound
  28. movement
  29. heat
  30. heat
  31. gives electricity
  32. an LED lamp
  33. light
  34. False
  35. a solar panel
  36. a tube light
  37. movement
  38. False
  39. electric current
  40. a street light

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