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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 173 · 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.

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

Answer key

  1. movement
  2. a toaster
  3. light
  4. a bicycle dynamo
  5. light
  6. uses electricity
  7. a room heater
  8. a tube light
  9. a doorbell
  10. gives electricity
  11. a battery
  12. electrons
  13. a solar panel
  14. heat
  15. heat
  16. a loudspeaker
  17. False
  18. heat
  19. light energy
  20. a night lamp
  21. light
  22. an electric toy car
  23. movement energy
  24. False
  25. electrical energy
  26. True
  27. a torch
  28. movement energy
  29. movement
  30. an electric drill
  31. a computer
  32. electric current
  33. a cell
  34. a rice cooker
  35. False
  36. uses electricity
  37. an electric iron
  38. a traffic signal
  39. a washing machine
  40. a school bell

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