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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 900 · 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 gives us electricity? (a) a water pump (b) a washing machine (c) an air conditioner (d) a wind turbine
  2. 2.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.⚡ What does a street light mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  4. 4.True or false: a siren mainly gives out light. (a) False (b) True
  5. 5.Which of these mainly gives out light? (a) an electric drill (b) a traffic signal (c) an exhaust fan (d) a room heater
  6. 6.Which of these mainly gives out light? (a) a toaster (b) a loudspeaker (c) a street light (d) an electric kettle
  7. 7.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  8. 8.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric toy car (c) a ceiling fan (d) a doorbell
  9. 9.⚡ What does a siren mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  10. 10.⚡ What does a buzzer mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  11. 11.Which of these mainly makes sound? (a) a siren (b) a toaster (c) an electric iron (d) a street light
  12. 12.🔍 Which is the odd one out? (a) an electric drill (b) an LED lamp (c) a mixer grinder (d) a ceiling fan
  13. 13.Which of these mainly makes sound? (a) an electric kettle (b) a loudspeaker (c) a tube light (d) a torch
  14. 14.⚡ What does a night lamp mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  15. 15.Which of these gives us electricity? (a) a television (b) a washing machine (c) a power station (d) a computer
  16. 16.True or false: a rice cooker mainly gives out light. (a) True (b) False
  17. 17.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  19. 19.True or false: a toaster mainly makes sound. (a) True (b) False
  20. 20.Which of these uses electricity? (a) a computer (b) a generator (c) a battery (d) a bicycle dynamo
  21. 21.Which of these uses electricity? (a) a battery (b) an air conditioner (c) a cell (d) a wind turbine
  22. 22.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  23. 23.Which of these uses electricity? (a) a battery (b) a bicycle dynamo (c) a mobile phone (d) a power station
  24. 24.Which of these uses electricity? (a) a television (b) a generator (c) a cell (d) a solar panel
  25. 25.Which of these mainly makes movement? (a) a night lamp (b) a torch (c) a rice cooker (d) an electric drill
  26. 26.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) a magnet (d) electric current
  27. 27.True or false: a tube light mainly makes movement. (a) True (b) False
  28. 28.Which of these mainly gives out heat? (a) a siren (b) a mixer grinder (c) an electric drill (d) a rice cooker
  29. 29.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) wind energy (d) sound energy
  30. 30.⚡ What does a table fan mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  31. 31.True or false: a tube light mainly makes sound. (a) True (b) False
  32. 32.Which of these mainly gives out light? (a) a buzzer (b) an LED lamp (c) an electric drill (d) a toaster
  33. 33.⚡ What does a school bell mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  34. 34.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.🔍 Which is the odd one out? (a) a street light (b) a torch (c) a toaster (d) a night lamp
  36. 36.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.Which of these mainly makes movement? (a) a torch (b) a mixer grinder (c) a water heater (d) a siren
  38. 38.Which of these mainly gives out heat? (a) a night lamp (b) a street light (c) a water heater (d) a torch
  39. 39.True or false: a water heater mainly makes movement. (a) False (b) True
  40. 40.🔍 Which is the odd one out? (a) a traffic signal (b) a siren (c) a street light (d) a torch

Answer key

  1. a wind turbine
  2. gives electricity
  3. light
  4. False
  5. a traffic signal
  6. a street light
  7. heat
  8. a doorbell
  9. sound
  10. sound
  11. a siren
  12. an LED lamp
  13. a loudspeaker
  14. light
  15. a power station
  16. False
  17. gives electricity
  18. movement energy
  19. False
  20. a computer
  21. an air conditioner
  22. light
  23. a mobile phone
  24. a television
  25. an electric drill
  26. electric current
  27. False
  28. a rice cooker
  29. electrical energy
  30. movement
  31. False
  32. an LED lamp
  33. sound
  34. uses electricity
  35. a toaster
  36. gives electricity
  37. a mixer grinder
  38. a water heater
  39. False
  40. a siren

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