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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 815 · 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 cell (b) a computer (c) a television (d) a water pump
  2. 2.Which of these mainly gives out heat? (a) a buzzer (b) a water heater (c) a mixer grinder (d) an exhaust fan
  3. 3.True or false: a water heater mainly makes sound. (a) True (b) False
  4. 4.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  5. 5.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a mobile phone (d) a battery
  6. 6.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.🔍 Which is the odd one out? (a) a mixer grinder (b) a table fan (c) a ceiling fan (d) a buzzer
  8. 8.Which of these gives us electricity? (a) a computer (b) a washing machine (c) a wind turbine (d) a mobile phone
  9. 9.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.🔍 Which is the odd one out? (a) a buzzer (b) a school bell (c) a doorbell (d) a torch
  11. 11.Which of these mainly makes sound? (a) a mixer grinder (b) an electric kettle (c) a doorbell (d) a traffic signal
  12. 12.Which of these mainly makes movement? (a) an LED lamp (b) an electric drill (c) a siren (d) an electric kettle
  13. 13.Which of these uses electricity? (a) a wind turbine (b) a power station (c) a solar panel (d) a refrigerator
  14. 14.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) a solar panel (d) an air conditioner
  15. 15.Which of these uses electricity? (a) a television (b) a solar panel (c) a cell (d) a wind turbine
  16. 16.⚡ What does an LED lamp mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  17. 17.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.⚡ What does an electric iron mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  19. 19.Which of these mainly makes sound? (a) an electric kettle (b) an electric toy car (c) a loudspeaker (d) a mixer grinder
  20. 20.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  21. 21.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) a magnet (d) friction
  22. 22.True or false: a street light mainly gives out light. (a) False (b) True
  23. 23.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  24. 24.True or false: a tube light mainly gives out heat. (a) True (b) False
  25. 25.⚡ What does a tube light mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  26. 26.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.True or false: a buzzer mainly gives out heat. (a) False (b) True
  28. 28.Which of these uses electricity? (a) a battery (b) a bicycle dynamo (c) a computer (d) a solar panel
  29. 29.⚡ What does a night lamp mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  30. 30.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.Which of these mainly makes sound? (a) an electric iron (b) a street light (c) a traffic signal (d) a buzzer
  32. 32.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) wind energy
  34. 34.⚡ What does a water heater mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  35. 35.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.🔍 Which is the odd one out? (a) a tube light (b) a table fan (c) an LED lamp (d) a street light
  37. 37.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  38. 38.Which of these mainly gives out light? (a) a rice cooker (b) an LED lamp (c) an electric kettle (d) a mixer grinder
  39. 39.Which of these mainly gives out heat? (a) an electric kettle (b) a doorbell (c) a street light (d) a school bell
  40. 40.🔍 Which is the odd one out? (a) a doorbell (b) a buzzer (c) an electric toy car (d) a loudspeaker

Answer key

  1. a cell
  2. a water heater
  3. False
  4. True
  5. a battery
  6. gives electricity
  7. a buzzer
  8. a wind turbine
  9. uses electricity
  10. a torch
  11. a doorbell
  12. an electric drill
  13. a refrigerator
  14. a solar panel
  15. a television
  16. light
  17. gives electricity
  18. heat
  19. a loudspeaker
  20. movement energy
  21. electric current
  22. True
  23. movement
  24. False
  25. light
  26. uses electricity
  27. False
  28. a computer
  29. light
  30. gives electricity
  31. a buzzer
  32. gives electricity
  33. light energy
  34. heat
  35. uses electricity
  36. a table fan
  37. movement
  38. an LED lamp
  39. an electric kettle
  40. an electric toy car

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