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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 626 · 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 computer (b) a mobile phone (c) a solar panel (d) a television
  2. 2.True or false: an electric toy car mainly gives out light. (a) True (b) False
  3. 3.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.⚡ What does a night lamp mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  5. 5.True or false: a water heater mainly makes sound. (a) False (b) True
  6. 6.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) sound (d) a magnet
  7. 7.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.Which of these gives us electricity? (a) a cell (b) a mobile phone (c) a television (d) a washing machine
  9. 9.Which of these mainly gives out light? (a) a buzzer (b) a doorbell (c) a tube light (d) an electric kettle
  10. 10.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.🔍 Which is the odd one out? (a) a room heater (b) a ceiling fan (c) an electric toy car (d) a mixer grinder
  12. 12.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  13. 13.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) nuclear energy (c) sound energy (d) wind energy
  14. 14.🔍 Which is the odd one out? (a) an exhaust fan (b) a street light (c) a tube light (d) a traffic signal
  15. 15.Which of these mainly makes sound? (a) a school bell (b) an electric kettle (c) a tube light (d) an electric iron
  16. 16.🔍 Which is the odd one out? (a) a water heater (b) an electric kettle (c) a torch (d) a room heater
  17. 17.True or false: a loudspeaker mainly gives out heat. (a) True (b) False
  18. 18.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  19. 19.Which of these mainly gives out light? (a) a traffic signal (b) an exhaust fan (c) a mixer grinder (d) an electric toy car
  20. 20.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) dust particles (c) water drops (d) electrons
  21. 21.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) movement energy (c) sound energy (d) light energy
  24. 24.Which of these mainly gives out light? (a) an electric kettle (b) a mixer grinder (c) a siren (d) a torch
  25. 25.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  26. 26.🔍 Which is the odd one out? (a) an electric drill (b) an exhaust fan (c) a buzzer (d) a mixer grinder
  27. 27.🔍 Which is the odd one out? (a) a toaster (b) a water heater (c) a siren (d) a rice cooker
  28. 28.Which of these mainly gives out light? (a) an electric drill (b) a toaster (c) a school bell (d) a night lamp
  29. 29.Which of these uses electricity? (a) a bicycle dynamo (b) a power station (c) a washing machine (d) a solar panel
  30. 30.True or false: an electric iron mainly gives out heat. (a) False (b) True
  31. 31.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  32. 32.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  33. 33.Which of these uses electricity? (a) a cell (b) a solar panel (c) a power station (d) a mobile phone
  34. 34.Which of these mainly makes movement? (a) an electric toy car (b) an electric iron (c) a loudspeaker (d) a street light
  35. 35.🔍 Which is the odd one out? (a) a school bell (b) a street light (c) a night lamp (d) a traffic signal
  36. 36.True or false: a street light mainly makes movement. (a) True (b) False
  37. 37.⚡ What does a doorbell mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  38. 38.🔍 Which is the odd one out? (a) a torch (b) a traffic signal (c) an LED lamp (d) an electric iron
  39. 39.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  40. 40.True or false: a tube light mainly gives out light. (a) True (b) False

Answer key

  1. a solar panel
  2. False
  3. uses electricity
  4. light
  5. False
  6. electric current
  7. uses electricity
  8. a cell
  9. a tube light
  10. uses electricity
  11. a room heater
  12. heat
  13. electrical energy
  14. an exhaust fan
  15. a school bell
  16. a torch
  17. False
  18. movement
  19. a traffic signal
  20. electrons
  21. gives electricity
  22. uses electricity
  23. movement energy
  24. a torch
  25. gives electricity
  26. a buzzer
  27. a siren
  28. a night lamp
  29. a washing machine
  30. True
  31. light
  32. True
  33. a mobile phone
  34. an electric toy car
  35. a school bell
  36. False
  37. sound
  38. an electric iron
  39. light energy
  40. True

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