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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 819 · 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.True or false: a table fan mainly makes sound. (a) True (b) False
  2. 2.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) sound (c) friction (d) a magnet
  3. 3.Which of these uses electricity? (a) a generator (b) a battery (c) a bicycle dynamo (d) a computer
  4. 4.🔍 Which is the odd one out? (a) a ceiling fan (b) an exhaust fan (c) a mixer grinder (d) a night lamp
  5. 5.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  6. 6.Which of these gives us electricity? (a) a power station (b) a mobile phone (c) an air conditioner (d) a television
  7. 7.True or false: a table fan mainly makes movement. (a) False (b) True
  8. 8.🔍 Which is the odd one out? (a) an electric toy car (b) an electric kettle (c) a rice cooker (d) a toaster
  9. 9.True or false: an LED lamp mainly makes sound. (a) False (b) True
  10. 10.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) dust particles (d) water drops
  11. 11.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) light energy (d) chemical energy
  12. 12.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  13. 13.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  14. 14.Which of these mainly makes movement? (a) a room heater (b) a table fan (c) a buzzer (d) a water heater
  15. 15.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  16. 16.Which of these mainly gives out heat? (a) a traffic signal (b) a buzzer (c) a doorbell (d) an electric kettle
  17. 17.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.Which of these mainly gives out light? (a) a school bell (b) an electric iron (c) a buzzer (d) a traffic signal
  19. 19.Which of these uses electricity? (a) a battery (b) a wind turbine (c) a solar panel (d) a water pump
  20. 20.🔍 Which is the odd one out? (a) a school bell (b) a room heater (c) a loudspeaker (d) a siren
  21. 21.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) sound energy (d) wind energy
  22. 22.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  23. 23.Which of these mainly gives out light? (a) a torch (b) a rice cooker (c) a water heater (d) an exhaust fan
  24. 24.Which of these gives us electricity? (a) a mobile phone (b) an air conditioner (c) a washing machine (d) a solar panel
  25. 25.🔍 Which is the odd one out? (a) a school bell (b) a loudspeaker (c) a torch (d) a siren
  26. 26.🔍 Which is the odd one out? (a) a school bell (b) a siren (c) a loudspeaker (d) a traffic signal
  27. 27.Which of these mainly makes sound? (a) an electric iron (b) a toaster (c) a traffic signal (d) a loudspeaker
  28. 28.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.⚡ What does a street light mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  30. 30.True or false: a traffic signal mainly gives out light. (a) True (b) False
  31. 31.Which of these mainly makes movement? (a) a ceiling fan (b) a siren (c) a tube light (d) an LED lamp
  32. 32.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.⚡ What does a tube light mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  34. 34.Which of these mainly makes sound? (a) a traffic signal (b) a school bell (c) an LED lamp (d) an exhaust fan
  35. 35.Which of these gives us electricity? (a) an air conditioner (b) a cell (c) a computer (d) a television
  36. 36.Which of these mainly gives out heat? (a) an electric drill (b) a table fan (c) a toaster (d) a loudspeaker
  37. 37.True or false: a torch mainly gives out light. (a) True (b) False
  38. 38.Which of these uses electricity? (a) a battery (b) a solar panel (c) a cell (d) a washing machine
  39. 39.Which of these gives us electricity? (a) a computer (b) a mobile phone (c) a bicycle dynamo (d) a television
  40. 40.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) sound (c) heat (d) light

Answer key

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

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