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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 470 · 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.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) movement energy (d) sound energy
  2. 2.True or false: an electric toy car mainly gives out heat. (a) True (b) False
  3. 3.True or false: a buzzer mainly makes sound. (a) True (b) False
  4. 4.Which of these mainly gives out heat? (a) a loudspeaker (b) a room heater (c) an LED lamp (d) an electric drill
  5. 5.Which of these uses electricity? (a) a power station (b) a generator (c) a television (d) a solar panel
  6. 6.Which of these uses electricity? (a) a bicycle dynamo (b) a cell (c) a refrigerator (d) a solar panel
  7. 7.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  8. 8.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) electric current (d) friction
  9. 9.Which of these gives us electricity? (a) a mobile phone (b) an air conditioner (c) a television (d) a wind turbine
  10. 10.🔍 Which is the odd one out? (a) a street light (b) a traffic signal (c) a tube light (d) a school bell
  11. 11.🔍 Which is the odd one out? (a) a rice cooker (b) a loudspeaker (c) a doorbell (d) a school bell
  12. 12.Which of these uses electricity? (a) a generator (b) a bicycle dynamo (c) a battery (d) a mobile phone
  13. 13.True or false: an exhaust fan mainly makes movement. (a) False (b) True
  14. 14.🔍 Which is the odd one out? (a) a rice cooker (b) an exhaust fan (c) a room heater (d) a water heater
  15. 15.True or false: a loudspeaker mainly makes movement. (a) False (b) True
  16. 16.🔍 Which is the odd one out? (a) a water heater (b) a night lamp (c) a street light (d) a traffic signal
  17. 17.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric iron (c) an exhaust fan (d) an electric drill
  18. 18.⚡ What does a night lamp mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  19. 19.Which of these mainly makes movement? (a) a siren (b) a toaster (c) a doorbell (d) an electric drill
  20. 20.Which of these mainly makes movement? (a) a water heater (b) an LED lamp (c) a table fan (d) a toaster
  21. 21.True or false: a ceiling fan mainly gives out light. (a) True (b) False
  22. 22.True or false: an LED lamp mainly makes movement. (a) False (b) True
  23. 23.True or false: a toaster mainly gives out heat. (a) True (b) False
  24. 24.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a solar panel (d) a television
  25. 25.⚡ What does an electric iron mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  26. 26.🔍 Which is the odd one out? (a) a ceiling fan (b) a tube light (c) an electric drill (d) an exhaust fan
  27. 27.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  28. 28.⚡ What does a tube light mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  29. 29.True or false: an electric toy car mainly gives out light. (a) True (b) False
  30. 30.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.Which of these mainly gives out heat? (a) a night lamp (b) an electric drill (c) a street light (d) an electric iron
  33. 33.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  34. 34.Which of these mainly gives out light? (a) a toaster (b) an LED lamp (c) a room heater (d) a siren
  35. 35.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.True or false: a torch mainly makes movement. (a) False (b) True
  38. 38.Which of these gives us electricity? (a) a television (b) a refrigerator (c) a bicycle dynamo (d) a mobile phone
  39. 39.Which of these mainly gives out heat? (a) a torch (b) an electric kettle (c) a ceiling fan (d) an electric toy car
  40. 40.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity

Answer key

  1. movement energy
  2. False
  3. True
  4. a room heater
  5. a television
  6. a refrigerator
  7. movement energy
  8. electric current
  9. a wind turbine
  10. a school bell
  11. a rice cooker
  12. a mobile phone
  13. True
  14. an exhaust fan
  15. False
  16. a water heater
  17. an electric iron
  18. light
  19. an electric drill
  20. a table fan
  21. False
  22. False
  23. True
  24. a solar panel
  25. heat
  26. a tube light
  27. heat
  28. light
  29. False
  30. uses electricity
  31. uses electricity
  32. an electric iron
  33. sound
  34. an LED lamp
  35. uses electricity
  36. gives electricity
  37. False
  38. a bicycle dynamo
  39. an electric kettle
  40. gives electricity

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