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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 409 · 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 is the odd one out? (a) a toaster (b) a ceiling fan (c) an exhaust fan (d) a mixer grinder
  2. 2.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  3. 3.Which of these mainly makes movement? (a) an electric kettle (b) a buzzer (c) an electric toy car (d) an electric iron
  4. 4.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  5. 5.Which of these uses electricity? (a) a solar panel (b) an air conditioner (c) a cell (d) a wind turbine
  6. 6.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  7. 7.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.🔍 Which is the odd one out? (a) a rice cooker (b) a loudspeaker (c) an electric iron (d) a water heater
  10. 10.Which of these gives us electricity? (a) a cell (b) a refrigerator (c) a television (d) a computer
  11. 11.⚡ What does a buzzer mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  12. 12.🔍 Which is the odd one out? (a) a buzzer (b) a torch (c) a loudspeaker (d) a siren
  13. 13.True or false: an electric toy car mainly gives out light. (a) True (b) False
  14. 14.Which of these mainly gives out light? (a) an exhaust fan (b) a table fan (c) a traffic signal (d) an electric iron
  15. 15.True or false: a torch mainly makes movement. (a) True (b) False
  16. 16.Which of these uses electricity? (a) a computer (b) a wind turbine (c) a bicycle dynamo (d) a power station
  17. 17.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.Which of these mainly gives out heat? (a) a siren (b) a water heater (c) an exhaust fan (d) a street light
  19. 19.⚡ What does a table fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  20. 20.Which of these gives us electricity? (a) a washing machine (b) a mobile phone (c) a television (d) a battery
  21. 21.⚡ What does a torch mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  22. 22.Which of these mainly gives out heat? (a) a doorbell (b) an electric kettle (c) an exhaust fan (d) a table fan
  23. 23.🔍 Which is the odd one out? (a) a water heater (b) an electric drill (c) a rice cooker (d) a toaster
  24. 24.🔍 Which is the odd one out? (a) an electric iron (b) a table fan (c) a ceiling fan (d) an electric drill
  25. 25.True or false: a buzzer mainly gives out heat. (a) True (b) False
  26. 26.Which of these gives us electricity? (a) a water pump (b) a wind turbine (c) a television (d) a computer
  27. 27.True or false: a room heater mainly makes sound. (a) False (b) True
  28. 28.True or false: a room heater mainly gives out light. (a) True (b) False
  29. 29.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) movement energy (d) chemical energy
  30. 30.Which of these mainly gives out heat? (a) an electric drill (b) an electric iron (c) an LED lamp (d) a siren
  31. 31.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  32. 32.⚡ What does a night lamp mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  33. 33.Which of these uses electricity? (a) a generator (b) a solar panel (c) a cell (d) a washing machine
  34. 34.Which of these mainly gives out light? (a) a loudspeaker (b) an electric iron (c) a tube light (d) a table fan
  35. 35.Which of these mainly gives out heat? (a) a siren (b) a toaster (c) a buzzer (d) an LED lamp
  36. 36.Which of these uses electricity? (a) a solar panel (b) a cell (c) a mobile phone (d) a wind turbine
  37. 37.🔍 Which is the odd one out? (a) an exhaust fan (b) a table fan (c) a tube light (d) an electric drill
  38. 38.Which of these mainly makes sound? (a) a loudspeaker (b) a mixer grinder (c) a traffic signal (d) a torch
  39. 39.Which of these mainly gives out light? (a) an exhaust fan (b) a mixer grinder (c) a torch (d) a toaster
  40. 40.Which of these gives us electricity? (a) a television (b) a water pump (c) a power station (d) a computer

Answer key

  1. a toaster
  2. heat
  3. an electric toy car
  4. uses electricity
  5. an air conditioner
  6. electric current
  7. gives electricity
  8. uses electricity
  9. a loudspeaker
  10. a cell
  11. sound
  12. a torch
  13. False
  14. a traffic signal
  15. False
  16. a computer
  17. gives electricity
  18. a water heater
  19. movement
  20. a battery
  21. light
  22. an electric kettle
  23. an electric drill
  24. an electric iron
  25. False
  26. a wind turbine
  27. False
  28. False
  29. movement energy
  30. an electric iron
  31. sound
  32. light
  33. a washing machine
  34. a tube light
  35. a toaster
  36. a mobile phone
  37. a tube light
  38. a loudspeaker
  39. a torch
  40. a power station

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