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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 920 · 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 is the odd one out? (a) an electric toy car (b) a buzzer (c) an exhaust fan (d) a mixer grinder
  2. 2.True or false: a torch mainly gives out light. (a) False (b) True
  3. 3.⚡ What does a doorbell mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  4. 4.🔍 Which is the odd one out? (a) a ceiling fan (b) a street light (c) a torch (d) a tube light
  5. 5.⚡ What does a table fan mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  6. 6.🔍 Which is the odd one out? (a) a tube light (b) a siren (c) an LED lamp (d) a night lamp
  7. 7.Which of these mainly gives out light? (a) a street light (b) a loudspeaker (c) an electric iron (d) an exhaust fan
  8. 8.Which of these gives us electricity? (a) an air conditioner (b) a cell (c) a television (d) a water pump
  9. 9.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) a magnet (d) friction
  10. 10.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  11. 11.Which of these mainly gives out light? (a) a toaster (b) a night lamp (c) an electric drill (d) a school bell
  12. 12.True or false: a mixer grinder mainly gives out light. (a) False (b) True
  13. 13.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.⚡ What does a toaster mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  16. 16.True or false: a ceiling fan mainly makes movement. (a) True (b) False
  17. 17.Which of these mainly gives out heat? (a) a loudspeaker (b) a siren (c) a toaster (d) a ceiling fan
  18. 18.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) photons (d) electrons
  19. 19.Which of these mainly gives out heat? (a) a torch (b) an electric iron (c) an electric drill (d) a table fan
  20. 20.Which of these uses electricity? (a) a power station (b) a refrigerator (c) a cell (d) a generator
  21. 21.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  22. 22.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.🔍 Which is the odd one out? (a) a street light (b) a night lamp (c) an electric iron (d) a torch
  24. 24.Which of these uses electricity? (a) a generator (b) a wind turbine (c) a washing machine (d) a battery
  25. 25.Which of these uses electricity? (a) a wind turbine (b) a battery (c) a cell (d) a television
  26. 26.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  27. 27.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  28. 28.Which of these mainly gives out light? (a) a table fan (b) a water heater (c) a tube light (d) an electric toy car
  29. 29.True or false: a night lamp mainly gives out light. (a) True (b) False
  30. 30.🔍 Which is the odd one out? (a) a mixer grinder (b) a torch (c) an exhaust fan (d) a ceiling fan
  31. 31.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  32. 32.⚡ What does a water heater mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  33. 33.Which of these uses electricity? (a) a generator (b) a wind turbine (c) a computer (d) a battery
  34. 34.True or false: a rice cooker mainly gives out heat. (a) True (b) False
  35. 35.⚡ What does a street light mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  36. 36.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  37. 37.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) nuclear energy (c) wind energy (d) electrical energy
  38. 38.🔍 Which is the odd one out? (a) an electric toy car (b) a table fan (c) an electric drill (d) a tube light
  39. 39.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a television (d) a generator
  40. 40.Which of these mainly makes movement? (a) a torch (b) a table fan (c) a rice cooker (d) an electric iron

Answer key

  1. a buzzer
  2. True
  3. sound
  4. a ceiling fan
  5. movement
  6. a siren
  7. a street light
  8. a cell
  9. electric current
  10. movement energy
  11. a night lamp
  12. False
  13. uses electricity
  14. gives electricity
  15. heat
  16. True
  17. a toaster
  18. electrons
  19. an electric iron
  20. a refrigerator
  21. movement
  22. gives electricity
  23. an electric iron
  24. a washing machine
  25. a television
  26. movement energy
  27. sound
  28. a tube light
  29. True
  30. a torch
  31. sound
  32. heat
  33. a computer
  34. True
  35. light
  36. sound
  37. electrical energy
  38. a tube light
  39. a generator
  40. a table fan

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