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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 723 · 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 water heater (b) a mixer grinder (c) a rice cooker (d) a toaster
  2. 2.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) dust particles (c) electrons (d) water drops
  4. 4.Which of these gives us electricity? (a) a washing machine (b) a mobile phone (c) an air conditioner (d) a solar panel
  5. 5.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  6. 6.Which of these mainly makes sound? (a) a tube light (b) a toaster (c) a buzzer (d) an exhaust fan
  7. 7.Which of these mainly gives out heat? (a) an electric kettle (b) a table fan (c) a night lamp (d) a buzzer
  8. 8.Which of these uses electricity? (a) a cell (b) a solar panel (c) a power station (d) a mobile phone
  9. 9.Which of these mainly makes sound? (a) a night lamp (b) a school bell (c) an electric toy car (d) an electric kettle
  10. 10.🔍 Which is the odd one out? (a) a siren (b) a loudspeaker (c) a doorbell (d) an electric drill
  11. 11.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  12. 12.⚡ What does a torch mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  13. 13.Which of these gives us electricity? (a) a generator (b) a television (c) a mobile phone (d) a refrigerator
  14. 14.⚡ What does a table fan mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  15. 15.🔍 Which is the odd one out? (a) a torch (b) a traffic signal (c) a street light (d) a toaster
  16. 16.True or false: an electric toy car mainly makes sound. (a) False (b) True
  17. 17.Which of these mainly gives out light? (a) a mixer grinder (b) a torch (c) a rice cooker (d) a school bell
  18. 18.⚡ What does a tube light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  19. 19.Which of these uses electricity? (a) a solar panel (b) a cell (c) a power station (d) a refrigerator
  20. 20.🔍 Which is the odd one out? (a) a mixer grinder (b) an exhaust fan (c) a doorbell (d) an electric drill
  21. 21.⚡ What does an electric toy car mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  22. 22.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  23. 23.Which of these uses electricity? (a) a cell (b) a solar panel (c) a wind turbine (d) a water pump
  24. 24.⚡ What does an exhaust fan mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  25. 25.Which of these uses electricity? (a) a wind turbine (b) a generator (c) a washing machine (d) a cell
  26. 26.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  27. 27.True or false: a street light mainly makes movement. (a) False (b) True
  28. 28.True or false: a torch mainly gives out heat. (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) an electric toy car (b) a toaster (c) a water heater (d) an electric kettle
  30. 30.True or false: a siren mainly makes sound. (a) False (b) True
  31. 31.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  32. 32.🔍 Which is the odd one out? (a) a tube light (b) a night lamp (c) a table fan (d) a torch
  33. 33.Which of these mainly makes movement? (a) a mixer grinder (b) a torch (c) a night lamp (d) a water heater
  34. 34.Which of these gives us electricity? (a) a cell (b) a water pump (c) a mobile phone (d) an air conditioner
  35. 35.🔍 Which is the odd one out? (a) a school bell (b) a tube light (c) a street light (d) a night lamp
  36. 36.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) electrical energy (d) nuclear energy
  37. 37.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  38. 38.True or false: an electric iron mainly gives out heat. (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) a water heater (b) an LED lamp (c) a toaster (d) a rice cooker
  40. 40.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

  1. a mixer grinder
  2. uses electricity
  3. electrons
  4. a solar panel
  5. heat
  6. a buzzer
  7. an electric kettle
  8. a mobile phone
  9. a school bell
  10. an electric drill
  11. movement energy
  12. light
  13. a generator
  14. movement
  15. a toaster
  16. False
  17. a torch
  18. light
  19. a refrigerator
  20. a doorbell
  21. movement
  22. gives electricity
  23. a water pump
  24. movement
  25. a washing machine
  26. light
  27. False
  28. False
  29. an electric toy car
  30. True
  31. sound
  32. a table fan
  33. a mixer grinder
  34. a cell
  35. a school bell
  36. electrical energy
  37. gives electricity
  38. True
  39. an LED lamp
  40. gives electricity

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