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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 762 · 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.True or false: a water heater mainly gives out heat. (a) False (b) True
  2. 2.True or false: a street light mainly gives out light. (a) True (b) False
  3. 3.⚡ What does a tube light mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  4. 4.True or false: an electric iron mainly makes sound. (a) True (b) False
  5. 5.Which of these uses electricity? (a) a solar panel (b) a cell (c) a bicycle dynamo (d) a mobile phone
  6. 6.Which of these mainly gives out light? (a) a table fan (b) a toaster (c) a rice cooker (d) a traffic signal
  7. 7.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.True or false: a night lamp mainly gives out light. (a) False (b) True
  9. 9.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  11. 11.🔍 Which is the odd one out? (a) a traffic signal (b) a tube light (c) a night lamp (d) an electric iron
  12. 12.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) a school bell (d) a traffic signal
  13. 13.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.Which of these mainly makes sound? (a) a room heater (b) a siren (c) a table fan (d) a tube light
  16. 16.True or false: an electric drill mainly gives out heat. (a) False (b) True
  17. 17.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) light energy (c) sound energy (d) chemical energy
  18. 18.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  19. 19.Which of these mainly gives out light? (a) an electric iron (b) a toaster (c) a tube light (d) a loudspeaker
  20. 20.🔍 Which is the odd one out? (a) a night lamp (b) a toaster (c) a torch (d) a tube light
  21. 21.Which of these gives us electricity? (a) a cell (b) a computer (c) a refrigerator (d) a television
  22. 22.⚡ What does a room heater mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  23. 23.🔍 Which is the odd one out? (a) a water heater (b) an electric kettle (c) an LED lamp (d) a rice cooker
  24. 24.Which of these mainly gives out light? (a) a water heater (b) an LED lamp (c) a rice cooker (d) a mixer grinder
  25. 25.🔍 Which is the odd one out? (a) a buzzer (b) a school bell (c) a tube light (d) a siren
  26. 26.True or false: a rice cooker mainly gives out heat. (a) True (b) False
  27. 27.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  29. 29.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) wind energy (d) nuclear energy
  31. 31.Which of these mainly makes movement? (a) a rice cooker (b) a room heater (c) an LED lamp (d) a ceiling fan
  32. 32.True or false: a loudspeaker mainly makes movement. (a) True (b) False
  33. 33.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  34. 34.🔍 Which is the odd one out? (a) a loudspeaker (b) a siren (c) a school bell (d) a street light
  35. 35.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) friction (d) a magnet
  36. 36.True or false: an electric toy car mainly gives out light. (a) False (b) True
  37. 37.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) wind energy (c) sound energy (d) light energy
  38. 38.Which of these mainly makes sound? (a) a rice cooker (b) a doorbell (c) a street light (d) an exhaust fan
  39. 39.True or false: an electric iron mainly gives out heat. (a) True (b) False
  40. 40.Which of these gives us electricity? (a) a television (b) a solar panel (c) a water pump (d) a computer

Answer key

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

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