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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 780 · 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.True or false: an electric toy car mainly makes movement. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) a ceiling fan (b) a mixer grinder (c) an electric drill (d) a siren
  3. 3.Which of these uses electricity? (a) a solar panel (b) a power station (c) a generator (d) a television
  4. 4.Which of these gives us electricity? (a) a mobile phone (b) an air conditioner (c) a computer (d) a generator
  5. 5.⚡ What does a siren mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  6. 6.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) electrical energy (d) nuclear energy
  7. 7.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  8. 8.True or false: a table fan mainly makes sound. (a) True (b) False
  9. 9.🔍 Which is the odd one out? (a) a doorbell (b) an electric iron (c) a buzzer (d) a loudspeaker
  10. 10.Which of these uses electricity? (a) an air conditioner (b) a bicycle dynamo (c) a cell (d) a solar panel
  11. 11.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  12. 12.🔍 Which is the odd one out? (a) an electric drill (b) a table fan (c) a street light (d) a ceiling fan
  13. 13.Which of these mainly makes movement? (a) a buzzer (b) a night lamp (c) an electric iron (d) a ceiling fan
  14. 14.Which of these mainly gives out heat? (a) a night lamp (b) a doorbell (c) a street light (d) a toaster
  15. 15.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.Which of these mainly makes movement? (a) an LED lamp (b) an electric kettle (c) a rice cooker (d) an electric drill
  17. 17.🔍 Which is the odd one out? (a) a toaster (b) a night lamp (c) a torch (d) a tube light
  18. 18.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) electric current (d) sound
  19. 19.Which of these gives us electricity? (a) a mobile phone (b) a power station (c) a television (d) a water pump
  20. 20.True or false: a loudspeaker mainly makes movement. (a) True (b) False
  21. 21.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  22. 22.Which of these mainly makes movement? (a) a toaster (b) an electric iron (c) a loudspeaker (d) an electric toy car
  23. 23.Which of these mainly gives out light? (a) an exhaust fan (b) an electric toy car (c) an electric drill (d) an LED lamp
  24. 24.🔍 Which is the odd one out? (a) a rice cooker (b) a loudspeaker (c) an electric kettle (d) a water heater
  25. 25.Which of these mainly makes sound? (a) a loudspeaker (b) a tube light (c) a mixer grinder (d) a street light
  26. 26.Which of these uses electricity? (a) a power station (b) a cell (c) a mobile phone (d) a solar panel
  27. 27.🔍 Which is the odd one out? (a) a rice cooker (b) a traffic signal (c) an electric iron (d) an electric kettle
  28. 28.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  29. 29.Which of these mainly gives out light? (a) an exhaust fan (b) a loudspeaker (c) a tube light (d) a room heater
  30. 30.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) a washing machine (d) a cell
  31. 31.True or false: a buzzer mainly gives out light. (a) True (b) False
  32. 32.🔍 Which is the odd one out? (a) a table fan (b) a doorbell (c) a siren (d) a school bell
  33. 33.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  34. 34.Which of these uses electricity? (a) a wind turbine (b) a bicycle dynamo (c) a solar panel (d) a computer
  35. 35.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  36. 36.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  37. 37.⚡ What does a buzzer mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  38. 38.Which of these gives us electricity? (a) a water pump (b) a computer (c) a refrigerator (d) a bicycle dynamo
  39. 39.Which of these uses electricity? (a) a cell (b) a battery (c) a washing machine (d) a power station
  40. 40.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) sound energy (c) chemical energy (d) light energy

Answer key

  1. True
  2. a siren
  3. a television
  4. a generator
  5. sound
  6. electrical energy
  7. movement
  8. False
  9. an electric iron
  10. an air conditioner
  11. gives electricity
  12. a street light
  13. a ceiling fan
  14. a toaster
  15. gives electricity
  16. an electric drill
  17. a toaster
  18. electric current
  19. a power station
  20. False
  21. movement
  22. an electric toy car
  23. an LED lamp
  24. a loudspeaker
  25. a loudspeaker
  26. a mobile phone
  27. a traffic signal
  28. light
  29. a tube light
  30. a cell
  31. False
  32. a table fan
  33. True
  34. a computer
  35. movement
  36. movement energy
  37. sound
  38. a bicycle dynamo
  39. a washing machine
  40. movement energy

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