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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 811 · 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.Which of these mainly gives out heat? (a) an electric iron (b) an exhaust fan (c) a ceiling fan (d) a buzzer
  2. 2.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  3. 3.Which of these gives us electricity? (a) a battery (b) a computer (c) a washing machine (d) a mobile phone
  4. 4.Which of these mainly gives out heat? (a) a torch (b) a doorbell (c) an electric kettle (d) a table fan
  5. 5.Which of these mainly gives out light? (a) an electric drill (b) an electric iron (c) a room heater (d) a street light
  6. 6.True or false: a room heater mainly makes sound. (a) False (b) True
  7. 7.Which of these mainly gives out heat? (a) a room heater (b) an electric toy car (c) a street light (d) a night lamp
  8. 8.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.Which of these gives us electricity? (a) a cell (b) a mobile phone (c) a water pump (d) a washing machine
  10. 10.True or false: an electric kettle mainly makes movement. (a) True (b) False
  11. 11.⚡ What does a street light mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  12. 12.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) electric current (d) a magnet
  13. 13.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.Which of these uses electricity? (a) a cell (b) a solar panel (c) a battery (d) an air conditioner
  15. 15.Which of these mainly gives out light? (a) a room heater (b) a night lamp (c) a water heater (d) an electric kettle
  16. 16.⚡ What does a room heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  17. 17.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  18. 18.⚡ What does a tube light mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  19. 19.⚡ What does an electric kettle mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  20. 20.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.⚡ What does a table fan mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  22. 22.🔍 Which is the odd one out? (a) a street light (b) a tube light (c) a traffic signal (d) a mixer grinder
  23. 23.Which of these gives us electricity? (a) a solar panel (b) a computer (c) a water pump (d) a television
  24. 24.🔍 Which is the odd one out? (a) a street light (b) a table fan (c) an exhaust fan (d) a ceiling fan
  25. 25.⚡ What does a traffic signal mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  26. 26.⚡ What does a siren mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  27. 27.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) light energy (c) sound energy (d) chemical energy
  29. 29.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.⚡ What does a water heater mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  32. 32.Which of these uses electricity? (a) a wind turbine (b) a solar panel (c) a water pump (d) a power station
  33. 33.Which of these mainly gives out heat? (a) an exhaust fan (b) a torch (c) a water heater (d) a night lamp
  34. 34.Which of these mainly gives out light? (a) a mixer grinder (b) a school bell (c) a tube light (d) a rice cooker
  35. 35.Which of these mainly makes movement? (a) a tube light (b) an electric drill (c) a doorbell (d) a toaster
  36. 36.Which of these mainly makes sound? (a) a traffic signal (b) a rice cooker (c) a tube light (d) a loudspeaker
  37. 37.Which of these mainly makes sound? (a) a buzzer (b) a mixer grinder (c) a toaster (d) a tube light
  38. 38.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  39. 39.Which of these gives us electricity? (a) a refrigerator (b) a wind turbine (c) an air conditioner (d) a mobile phone
  40. 40.Which of these gives us electricity? (a) a water pump (b) a mobile phone (c) a refrigerator (d) a bicycle dynamo

Answer key

  1. an electric iron
  2. movement
  3. a battery
  4. an electric kettle
  5. a street light
  6. False
  7. a room heater
  8. gives electricity
  9. a cell
  10. False
  11. light
  12. electric current
  13. gives electricity
  14. an air conditioner
  15. a night lamp
  16. heat
  17. light
  18. light
  19. heat
  20. gives electricity
  21. movement
  22. a mixer grinder
  23. a solar panel
  24. a street light
  25. light
  26. sound
  27. uses electricity
  28. movement energy
  29. gives electricity
  30. uses electricity
  31. heat
  32. a water pump
  33. a water heater
  34. a tube light
  35. an electric drill
  36. a loudspeaker
  37. a buzzer
  38. gives electricity
  39. a wind turbine
  40. a bicycle dynamo

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