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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 240 · 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 fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  2. 2.Which of these mainly makes movement? (a) a buzzer (b) an electric kettle (c) a rice cooker (d) an electric toy car
  3. 3.⚡ What does a buzzer mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  4. 4.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.Which of these mainly gives out heat? (a) a loudspeaker (b) a night lamp (c) a school bell (d) a toaster
  6. 6.Which of these mainly makes sound? (a) an electric kettle (b) an LED lamp (c) a torch (d) a loudspeaker
  7. 7.True or false: an electric toy car mainly makes movement. (a) False (b) True
  8. 8.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) wind energy (d) chemical energy
  9. 9.⚡ What does a doorbell mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  10. 10.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  11. 11.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  12. 12.Which of these uses electricity? (a) a battery (b) a cell (c) a generator (d) a computer
  13. 13.🔍 Which is the odd one out? (a) a mixer grinder (b) a buzzer (c) a siren (d) a doorbell
  14. 14.Which of these mainly gives out heat? (a) a doorbell (b) a traffic signal (c) a water heater (d) a mixer grinder
  15. 15.Which of these mainly makes movement? (a) a table fan (b) a traffic signal (c) an electric kettle (d) a rice cooker
  16. 16.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) an electric kettle (b) an exhaust fan (c) a ceiling fan (d) a table fan
  18. 18.Which of these mainly gives out light? (a) a siren (b) an electric toy car (c) an exhaust fan (d) a tube light
  19. 19.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  20. 20.Which of these gives us electricity? (a) a cell (b) a refrigerator (c) a computer (d) a television
  21. 21.Which of these uses electricity? (a) a refrigerator (b) a solar panel (c) a bicycle dynamo (d) a generator
  22. 22.Which of these uses electricity? (a) a battery (b) a solar panel (c) an air conditioner (d) a generator
  23. 23.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  25. 25.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) a magnet (d) electric current
  26. 26.🔍 Which is the odd one out? (a) an exhaust fan (b) a ceiling fan (c) a buzzer (d) a mixer grinder
  27. 27.🔍 Which is the odd one out? (a) a buzzer (b) a loudspeaker (c) a doorbell (d) an electric iron
  28. 28.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  29. 29.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.⚡ What does a room heater mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  31. 31.🔍 Which is the odd one out? (a) a room heater (b) a mixer grinder (c) an electric toy car (d) an exhaust fan
  32. 32.Which of these uses electricity? (a) a mobile phone (b) a cell (c) a bicycle dynamo (d) a power station
  33. 33.🔍 Which is the odd one out? (a) a table fan (b) a ceiling fan (c) a loudspeaker (d) an exhaust fan
  34. 34.Which of these mainly makes sound? (a) a traffic signal (b) a buzzer (c) an LED lamp (d) an electric kettle
  35. 35.True or false: a loudspeaker mainly makes movement. (a) False (b) True
  36. 36.True or false: a rice cooker mainly makes movement. (a) True (b) False
  37. 37.Which of these mainly makes sound? (a) a toaster (b) an electric toy car (c) a street light (d) a siren
  38. 38.Which of these mainly makes movement? (a) a water heater (b) a doorbell (c) a siren (d) a mixer grinder
  39. 39.🔍 Which is the odd one out? (a) a torch (b) a street light (c) a night lamp (d) a ceiling fan
  40. 40.True or false: a night lamp mainly gives out heat. (a) True (b) False

Answer key

  1. movement energy
  2. an electric toy car
  3. sound
  4. gives electricity
  5. a toaster
  6. a loudspeaker
  7. True
  8. light energy
  9. sound
  10. gives electricity
  11. uses electricity
  12. a computer
  13. a mixer grinder
  14. a water heater
  15. a table fan
  16. True
  17. an electric kettle
  18. a tube light
  19. movement
  20. a cell
  21. a refrigerator
  22. an air conditioner
  23. uses electricity
  24. movement
  25. electric current
  26. a buzzer
  27. an electric iron
  28. light
  29. gives electricity
  30. heat
  31. a room heater
  32. a mobile phone
  33. a loudspeaker
  34. a buzzer
  35. False
  36. False
  37. a siren
  38. a mixer grinder
  39. a ceiling fan
  40. False

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