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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 101 · 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 buzzer mainly makes sound. (a) False (b) True
  2. 2.True or false: an LED lamp mainly gives out heat. (a) True (b) False
  3. 3.Which of these uses electricity? (a) a wind turbine (b) a cell (c) an air conditioner (d) a battery
  4. 4.🔍 Which is the odd one out? (a) an electric iron (b) a room heater (c) a doorbell (d) a toaster
  5. 5.🔍 Which is the odd one out? (a) an electric toy car (b) a water heater (c) an electric kettle (d) an electric iron
  6. 6.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.True or false: a night lamp mainly makes movement. (a) True (b) False
  8. 8.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) nuclear energy (d) wind energy
  10. 10.Which of these gives us electricity? (a) a computer (b) a solar panel (c) a mobile phone (d) a water pump
  11. 11.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  12. 12.Which of these mainly gives out light? (a) a toaster (b) a buzzer (c) an LED lamp (d) a water heater
  13. 13.⚡ What does a table fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  14. 14.⚡ What does a tube light mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  15. 15.Which of these uses electricity? (a) a refrigerator (b) a cell (c) a solar panel (d) a battery
  16. 16.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) light energy (d) chemical energy
  17. 17.⚡ What does a school bell mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  18. 18.Which of these mainly gives out heat? (a) a buzzer (b) a doorbell (c) a tube light (d) an electric kettle
  19. 19.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) friction (d) sound
  20. 20.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a mobile phone (d) a power station
  21. 21.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  22. 22.🔍 Which is the odd one out? (a) a room heater (b) an LED lamp (c) a toaster (d) a water heater
  23. 23.True or false: a room heater mainly makes sound. (a) False (b) True
  24. 24.True or false: an electric drill mainly makes movement. (a) True (b) False
  25. 25.🔍 Which is the odd one out? (a) an electric drill (b) a mixer grinder (c) a ceiling fan (d) a school bell
  26. 26.Which of these mainly makes movement? (a) a loudspeaker (b) an exhaust fan (c) an electric kettle (d) a school bell
  27. 27.Which of these mainly gives out heat? (a) a loudspeaker (b) a ceiling fan (c) a room heater (d) a torch
  28. 28.Which of these mainly gives out light? (a) a rice cooker (b) a water heater (c) a night lamp (d) an electric toy car
  29. 29.True or false: a traffic signal mainly gives out light. (a) False (b) True
  30. 30.⚡ What does an electric drill mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  31. 31.True or false: a mixer grinder mainly makes sound. (a) True (b) False
  32. 32.🔍 Which is the odd one out? (a) an exhaust fan (b) a school bell (c) a loudspeaker (d) a siren
  33. 33.Which of these mainly makes movement? (a) an LED lamp (b) a night lamp (c) a mixer grinder (d) a rice cooker
  34. 34.Which of these mainly gives out light? (a) a school bell (b) an electric iron (c) a torch (d) a buzzer
  35. 35.Which of these mainly makes sound? (a) an electric toy car (b) a torch (c) a doorbell (d) a rice cooker
  36. 36.🔍 Which is the odd one out? (a) a buzzer (b) an LED lamp (c) a traffic signal (d) a night lamp
  37. 37.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  38. 38.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  39. 39.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  40. 40.⚡ What does a torch mainly change electricity into? (a) sound (b) movement (c) light (d) heat

Answer key

  1. True
  2. False
  3. an air conditioner
  4. a doorbell
  5. an electric toy car
  6. uses electricity
  7. False
  8. gives electricity
  9. electrical energy
  10. a solar panel
  11. light
  12. an LED lamp
  13. movement
  14. light
  15. a refrigerator
  16. light energy
  17. sound
  18. an electric kettle
  19. electric current
  20. a power station
  21. heat
  22. an LED lamp
  23. False
  24. True
  25. a school bell
  26. an exhaust fan
  27. a room heater
  28. a night lamp
  29. True
  30. movement
  31. False
  32. an exhaust fan
  33. a mixer grinder
  34. a torch
  35. a doorbell
  36. a buzzer
  37. gives electricity
  38. movement energy
  39. sound
  40. light

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