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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 612 · 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.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  2. 2.⚡ What does a water heater mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  3. 3.Which of these mainly makes sound? (a) a ceiling fan (b) a traffic signal (c) a school bell (d) a mixer grinder
  4. 4.Which of these mainly makes movement? (a) a tube light (b) a room heater (c) an LED lamp (d) a ceiling fan
  5. 5.⚡ What does a buzzer mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  6. 6.Which of these mainly gives out light? (a) an exhaust fan (b) a doorbell (c) a loudspeaker (d) a night lamp
  7. 7.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric toy car (c) a school bell (d) a ceiling fan
  9. 9.Which of these uses electricity? (a) a solar panel (b) a computer (c) a wind turbine (d) a cell
  10. 10.Which of these uses electricity? (a) a bicycle dynamo (b) a television (c) a generator (d) a wind turbine
  11. 11.Which of these mainly gives out heat? (a) a table fan (b) a traffic signal (c) a toaster (d) an exhaust fan
  12. 12.⚡ What does a street light mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  13. 13.Which of these gives us electricity? (a) a mobile phone (b) a television (c) a generator (d) a computer
  14. 14.⚡ What does a school bell mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  15. 15.Which of these mainly gives out heat? (a) an electric drill (b) a school bell (c) a room heater (d) a traffic signal
  16. 16.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  17. 17.Which of these mainly makes sound? (a) a loudspeaker (b) a water heater (c) an LED lamp (d) a toaster
  18. 18.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  19. 19.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) a television (d) a power station
  20. 20.Which of these mainly makes movement? (a) a tube light (b) a siren (c) a traffic signal (d) an electric drill
  21. 21.Which of these uses electricity? (a) a battery (b) a water pump (c) a cell (d) a generator
  22. 22.True or false: a traffic signal mainly makes movement. (a) False (b) True
  23. 23.🔍 Which is the odd one out? (a) an exhaust fan (b) a rice cooker (c) a table fan (d) a ceiling fan
  24. 24.⚡ What does a toaster mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  25. 25.🔍 Which is the odd one out? (a) a school bell (b) a loudspeaker (c) a doorbell (d) a night lamp
  26. 26.Which of these mainly makes movement? (a) an electric iron (b) an electric kettle (c) an electric toy car (d) an LED lamp
  27. 27.Which of these mainly gives out light? (a) a doorbell (b) a street light (c) a mixer grinder (d) a loudspeaker
  28. 28.⚡ What does a torch mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  29. 29.True or false: a mixer grinder mainly gives out light. (a) False (b) True
  30. 30.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  31. 31.🔍 Which is the odd one out? (a) a buzzer (b) a traffic signal (c) a school bell (d) a siren
  32. 32.Which of these mainly gives out heat? (a) an electric drill (b) an electric iron (c) an exhaust fan (d) a tube light
  33. 33.🔍 Which is the odd one out? (a) a tube light (b) a night lamp (c) an electric iron (d) a torch
  34. 34.True or false: an exhaust fan mainly gives out light. (a) False (b) True
  35. 35.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.⚡ What does an electric drill mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  37. 37.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) wind energy (c) sound energy (d) light energy
  38. 38.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) nuclear energy (d) electrical energy
  39. 39.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) electric current (d) a magnet
  40. 40.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) dust particles (d) photons

Answer key

  1. uses electricity
  2. heat
  3. a school bell
  4. a ceiling fan
  5. sound
  6. a night lamp
  7. uses electricity
  8. a school bell
  9. a computer
  10. a television
  11. a toaster
  12. light
  13. a generator
  14. sound
  15. a room heater
  16. light
  17. a loudspeaker
  18. light
  19. a power station
  20. an electric drill
  21. a water pump
  22. False
  23. a rice cooker
  24. heat
  25. a night lamp
  26. an electric toy car
  27. a street light
  28. light
  29. False
  30. heat
  31. a traffic signal
  32. an electric iron
  33. an electric iron
  34. False
  35. uses electricity
  36. movement
  37. light energy
  38. electrical energy
  39. electric current
  40. electrons

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