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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 239 · 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.True or false: an exhaust fan mainly gives out heat. (a) False (b) True
  2. 2.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) wind energy
  3. 3.⚡ What does a room heater mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  4. 4.Which of these uses electricity? (a) a battery (b) a cell (c) a water pump (d) a solar panel
  5. 5.⚡ What does a water heater mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  6. 6.Which of these mainly makes sound? (a) a tube light (b) a night lamp (c) a ceiling fan (d) a buzzer
  7. 7.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) electric current (d) a magnet
  8. 8.True or false: a doorbell mainly gives out heat. (a) True (b) False
  9. 9.Which of these mainly makes movement? (a) a loudspeaker (b) a night lamp (c) an LED lamp (d) a ceiling fan
  10. 10.🔍 Which is the odd one out? (a) a buzzer (b) a rice cooker (c) a toaster (d) an electric kettle
  11. 11.Which of these mainly gives out light? (a) a school bell (b) a room heater (c) a traffic signal (d) a loudspeaker
  12. 12.Which of these gives us electricity? (a) a washing machine (b) a television (c) a refrigerator (d) a bicycle dynamo
  13. 13.⚡ What does a tube light mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  14. 14.Which of these gives us electricity? (a) a refrigerator (b) a television (c) a wind turbine (d) a washing machine
  15. 15.True or false: a school bell mainly gives out light. (a) False (b) True
  16. 16.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.🔍 Which is the odd one out? (a) an electric kettle (b) a toaster (c) a traffic signal (d) a rice cooker
  18. 18.Which of these mainly makes sound? (a) a torch (b) a loudspeaker (c) a night lamp (d) a street light
  19. 19.🔍 Which is the odd one out? (a) a torch (b) an LED lamp (c) a tube light (d) an exhaust fan
  20. 20.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.True or false: a street light mainly makes sound. (a) False (b) True
  22. 22.Which of these mainly makes sound? (a) a rice cooker (b) an LED lamp (c) an electric toy car (d) a doorbell
  23. 23.⚡ What does an electric toy car mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  24. 24.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) sound energy (c) movement energy (d) chemical energy
  25. 25.Which of these mainly makes movement? (a) an LED lamp (b) a water heater (c) an electric drill (d) a traffic signal
  26. 26.True or false: an electric iron mainly gives out light. (a) True (b) False
  27. 27.Which of these gives us electricity? (a) a washing machine (b) a cell (c) a mobile phone (d) a water pump
  28. 28.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.True or false: a ceiling fan mainly makes movement. (a) True (b) False
  31. 31.Which of these mainly makes sound? (a) a water heater (b) a school bell (c) a street light (d) an electric iron
  32. 32.Which of these mainly makes movement? (a) an LED lamp (b) a tube light (c) a table fan (d) a buzzer
  33. 33.Which of these mainly gives out light? (a) a tube light (b) an exhaust fan (c) an electric iron (d) a room heater
  34. 34.Which of these uses electricity? (a) a bicycle dynamo (b) a battery (c) a cell (d) a refrigerator
  35. 35.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  36. 36.🔍 Which is the odd one out? (a) an electric drill (b) a ceiling fan (c) an electric iron (d) an electric toy car
  37. 37.⚡ What does an electric iron mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  38. 38.⚡ What does a street light mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  39. 39.True or false: an LED lamp mainly gives out heat. (a) False (b) True
  40. 40.Which of these mainly gives out light? (a) a doorbell (b) a torch (c) a siren (d) an electric kettle

Answer key

  1. False
  2. light energy
  3. heat
  4. a water pump
  5. heat
  6. a buzzer
  7. electric current
  8. False
  9. a ceiling fan
  10. a buzzer
  11. a traffic signal
  12. a bicycle dynamo
  13. light
  14. a wind turbine
  15. False
  16. gives electricity
  17. a traffic signal
  18. a loudspeaker
  19. an exhaust fan
  20. gives electricity
  21. False
  22. a doorbell
  23. movement
  24. movement energy
  25. an electric drill
  26. False
  27. a cell
  28. uses electricity
  29. uses electricity
  30. True
  31. a school bell
  32. a table fan
  33. a tube light
  34. a refrigerator
  35. light
  36. an electric iron
  37. heat
  38. light
  39. False
  40. a torch

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