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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 450 · 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 siren mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  2. 2.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.Which of these gives us electricity? (a) a refrigerator (b) an air conditioner (c) a generator (d) a television
  4. 4.Which of these mainly gives out light? (a) an electric toy car (b) a siren (c) a rice cooker (d) a tube light
  5. 5.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric drill (c) an LED lamp (d) an exhaust fan
  6. 6.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) wind energy (d) light energy
  7. 7.Which of these uses electricity? (a) a washing machine (b) a cell (c) a generator (d) a power station
  8. 8.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) dust particles (d) water drops
  9. 9.Which of these mainly makes sound? (a) a traffic signal (b) a water heater (c) a night lamp (d) a loudspeaker
  10. 10.True or false: a buzzer mainly gives out heat. (a) True (b) False
  11. 11.True or false: a ceiling fan mainly gives out light. (a) True (b) False
  12. 12.⚡ What does a room heater mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  13. 13.Which of these mainly makes movement? (a) a table fan (b) a street light (c) a buzzer (d) a traffic signal
  14. 14.True or false: a table fan mainly gives out light. (a) True (b) False
  15. 15.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  16. 16.Which of these uses electricity? (a) a mobile phone (b) a cell (c) a bicycle dynamo (d) a wind turbine
  17. 17.⚡ What does a doorbell mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  18. 18.Which of these mainly makes sound? (a) an electric kettle (b) an exhaust fan (c) a siren (d) a street light
  19. 19.🔍 Which is the odd one out? (a) a torch (b) an electric toy car (c) a traffic signal (d) a tube light
  20. 20.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) sound energy (c) light energy (d) chemical energy
  21. 21.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) sound energy (d) electrical energy
  22. 22.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  23. 23.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  24. 24.🔍 Which is the odd one out? (a) a doorbell (b) a loudspeaker (c) a torch (d) a school bell
  25. 25.Which of these mainly gives out heat? (a) a siren (b) a water heater (c) a buzzer (d) a night lamp
  26. 26.True or false: a rice cooker mainly makes sound. (a) False (b) True
  27. 27.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.🔍 Which is the odd one out? (a) a night lamp (b) an electric kettle (c) a tube light (d) a torch
  29. 29.Which of these uses electricity? (a) a computer (b) a solar panel (c) a wind turbine (d) a battery
  30. 30.Which of these mainly makes movement? (a) a mixer grinder (b) a torch (c) a doorbell (d) an electric kettle
  31. 31.⚡ What does a torch mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  32. 32.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  34. 34.Which of these uses electricity? (a) a solar panel (b) a water pump (c) a battery (d) a cell
  35. 35.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) sound (d) a magnet
  36. 36.🔍 Which is the odd one out? (a) a room heater (b) a rice cooker (c) a traffic signal (d) a water heater
  37. 37.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  38. 38.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.True or false: a tube light mainly makes sound. (a) True (b) False
  40. 40.⚡ What does a school bell mainly change electricity into? (a) movement (b) heat (c) light (d) sound

Answer key

  1. sound
  2. gives electricity
  3. a generator
  4. a tube light
  5. an LED lamp
  6. light energy
  7. a washing machine
  8. electrons
  9. a loudspeaker
  10. False
  11. False
  12. heat
  13. a table fan
  14. False
  15. heat
  16. a mobile phone
  17. sound
  18. a siren
  19. an electric toy car
  20. movement energy
  21. electrical energy
  22. light
  23. gives electricity
  24. a torch
  25. a water heater
  26. False
  27. uses electricity
  28. an electric kettle
  29. a computer
  30. a mixer grinder
  31. light
  32. uses electricity
  33. movement
  34. a water pump
  35. electric current
  36. a traffic signal
  37. light
  38. gives electricity
  39. False
  40. sound

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