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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 353 · 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 a rice cooker mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  2. 2.🔍 Which is the odd one out? (a) an electric toy car (b) a room heater (c) an electric drill (d) a ceiling fan
  3. 3.🔍 Which is the odd one out? (a) a doorbell (b) a school bell (c) a torch (d) a buzzer
  4. 4.Which of these mainly makes movement? (a) an LED lamp (b) an exhaust fan (c) a torch (d) a rice cooker
  5. 5.Which of these mainly gives out heat? (a) a torch (b) an electric toy car (c) a siren (d) a water heater
  6. 6.True or false: an LED lamp mainly makes sound. (a) True (b) False
  7. 7.⚡ What does a buzzer mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  8. 8.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  9. 9.⚡ What does a toaster mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  10. 10.True or false: a tube light mainly makes sound. (a) True (b) False
  11. 11.Which of these gives us electricity? (a) a generator (b) a washing machine (c) a television (d) a water pump
  12. 12.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  13. 13.Which of these gives us electricity? (a) a mobile phone (b) an air conditioner (c) a refrigerator (d) a battery
  14. 14.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.Which of these uses electricity? (a) a solar panel (b) a water pump (c) a cell (d) a bicycle dynamo
  16. 16.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) photons (d) electrons
  17. 17.🔍 Which is the odd one out? (a) a school bell (b) a rice cooker (c) a buzzer (d) a loudspeaker
  18. 18.True or false: an electric drill mainly makes movement. (a) True (b) False
  19. 19.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  20. 20.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) electrical energy (d) sound energy
  21. 21.Which of these gives us electricity? (a) a mobile phone (b) a cell (c) a washing machine (d) a computer
  22. 22.⚡ What does a room heater mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  23. 23.⚡ What does a street light mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  24. 24.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  25. 25.🔍 Which is the odd one out? (a) a toaster (b) a traffic signal (c) a tube light (d) a torch
  26. 26.True or false: a water heater mainly makes movement. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) a toaster (b) a street light (c) a water heater (d) a rice cooker
  28. 28.🔍 Which is the odd one out? (a) a loudspeaker (b) a room heater (c) an electric kettle (d) an electric iron
  29. 29.🔍 Which is the odd one out? (a) a tube light (b) a room heater (c) a water heater (d) an electric iron
  30. 30.Which of these mainly makes sound? (a) a school bell (b) a traffic signal (c) a mixer grinder (d) a table fan
  31. 31.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  33. 33.True or false: a torch mainly gives out light. (a) True (b) False
  34. 34.⚡ What does a school bell mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  35. 35.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) an air conditioner (d) a solar panel
  36. 36.True or false: an exhaust fan mainly gives out heat. (a) False (b) True
  37. 37.Which of these mainly makes sound? (a) a ceiling fan (b) a night lamp (c) a loudspeaker (d) a street light
  38. 38.⚡ What does a doorbell mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  39. 39.True or false: a torch mainly gives out heat. (a) True (b) False
  40. 40.🔍 Which is the odd one out? (a) a torch (b) a night lamp (c) an electric drill (d) a tube light

Answer key

  1. heat
  2. a room heater
  3. a torch
  4. an exhaust fan
  5. a water heater
  6. False
  7. sound
  8. movement energy
  9. heat
  10. False
  11. a generator
  12. electric current
  13. a battery
  14. gives electricity
  15. a water pump
  16. electrons
  17. a rice cooker
  18. True
  19. movement
  20. electrical energy
  21. a cell
  22. heat
  23. light
  24. light
  25. a toaster
  26. False
  27. a street light
  28. a loudspeaker
  29. a tube light
  30. a school bell
  31. uses electricity
  32. movement
  33. True
  34. sound
  35. a solar panel
  36. False
  37. a loudspeaker
  38. sound
  39. False
  40. an electric drill

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