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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 521 · 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.

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

Answer key

  1. an electric kettle
  2. movement energy
  3. sound
  4. heat
  5. sound
  6. a water pump
  7. a battery
  8. electrical energy
  9. a water heater
  10. a table fan
  11. a room heater
  12. True
  13. uses electricity
  14. a ceiling fan
  15. a mixer grinder
  16. an electric drill
  17. a cell
  18. uses electricity
  19. a traffic signal
  20. a toaster
  21. gives electricity
  22. a tube light
  23. a mixer grinder
  24. a bicycle dynamo
  25. False
  26. heat
  27. False
  28. True
  29. False
  30. a rice cooker
  31. light
  32. gives electricity
  33. False
  34. gives electricity
  35. a street light
  36. movement energy
  37. a buzzer
  38. False
  39. an electric kettle
  40. a tube light

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