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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 661 · 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 television (b) a mobile phone (c) a bicycle dynamo (d) an air conditioner
  2. 2.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  4. 4.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  5. 5.Which of these gives us electricity? (a) a water pump (b) a mobile phone (c) a washing machine (d) a battery
  6. 6.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  7. 7.True or false: a doorbell mainly makes sound. (a) False (b) True
  8. 8.Which of these mainly makes movement? (a) a torch (b) an electric iron (c) a night lamp (d) a ceiling fan
  9. 9.Which of these mainly gives out light? (a) a water heater (b) an electric toy car (c) an electric drill (d) a torch
  10. 10.Which of these gives us electricity? (a) an air conditioner (b) a computer (c) a cell (d) a television
  11. 11.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  12. 12.🔍 Which is the odd one out? (a) a traffic signal (b) a tube light (c) a doorbell (d) a torch
  13. 13.Which of these mainly gives out heat? (a) an LED lamp (b) a water heater (c) a table fan (d) a mixer grinder
  14. 14.⚡ What does an electric drill mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  15. 15.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  16. 16.Which of these gives us electricity? (a) a mobile phone (b) a power station (c) a water pump (d) a washing machine
  17. 17.True or false: a traffic signal mainly gives out light. (a) False (b) True
  18. 18.⚡ What does a school bell mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  19. 19.Which of these mainly gives out light? (a) a doorbell (b) a rice cooker (c) a traffic signal (d) an electric drill
  20. 20.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.Which of these uses electricity? (a) a solar panel (b) a generator (c) a television (d) a power station
  22. 22.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) sound (c) a magnet (d) friction
  23. 23.Which of these uses electricity? (a) a solar panel (b) a water pump (c) a cell (d) a generator
  24. 24.🔍 Which is the odd one out? (a) an electric drill (b) a torch (c) a tube light (d) a night lamp
  25. 25.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.True or false: a doorbell mainly makes movement. (a) False (b) True
  27. 27.True or false: an electric iron mainly gives out heat. (a) True (b) False
  28. 28.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) wind energy
  29. 29.🔍 Which is the odd one out? (a) a tube light (b) a loudspeaker (c) a siren (d) a school bell
  30. 30.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  31. 31.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) movement energy (d) sound energy
  32. 32.⚡ What does an electric iron mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  33. 33.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  34. 34.Which of these mainly makes sound? (a) a traffic signal (b) a loudspeaker (c) an electric kettle (d) a water heater
  35. 35.⚡ What does a street light mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  36. 36.Which of these uses electricity? (a) a refrigerator (b) a power station (c) a wind turbine (d) a solar panel
  37. 37.🔍 Which is the odd one out? (a) a doorbell (b) a street light (c) a buzzer (d) a school bell
  38. 38.🔍 Which is the odd one out? (a) a torch (b) a school bell (c) a siren (d) a buzzer
  39. 39.Which of these mainly gives out light? (a) an LED lamp (b) a school bell (c) a mixer grinder (d) a table fan
  40. 40.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric drill (c) an electric toy car (d) an LED lamp

Answer key

  1. a bicycle dynamo
  2. gives electricity
  3. electrons
  4. gives electricity
  5. a battery
  6. sound
  7. True
  8. a ceiling fan
  9. a torch
  10. a cell
  11. heat
  12. a doorbell
  13. a water heater
  14. movement
  15. light
  16. a power station
  17. True
  18. sound
  19. a traffic signal
  20. uses electricity
  21. a television
  22. electric current
  23. a water pump
  24. an electric drill
  25. uses electricity
  26. False
  27. True
  28. light energy
  29. a tube light
  30. movement energy
  31. movement energy
  32. heat
  33. light
  34. a loudspeaker
  35. light
  36. a refrigerator
  37. a street light
  38. a torch
  39. an LED lamp
  40. an LED lamp

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