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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 978 · 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.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) nuclear energy (d) sound energy
  2. 2.Which of these mainly gives out light? (a) a ceiling fan (b) a school bell (c) an LED lamp (d) an electric drill
  3. 3.Which of these mainly gives out heat? (a) an LED lamp (b) a ceiling fan (c) a school bell (d) an electric kettle
  4. 4.🔍 Which is the odd one out? (a) a room heater (b) an electric kettle (c) a toaster (d) a school bell
  5. 5.🔍 Which is the odd one out? (a) a traffic signal (b) a doorbell (c) a night lamp (d) a torch
  6. 6.Which of these uses electricity? (a) a computer (b) a solar panel (c) a wind turbine (d) a bicycle dynamo
  7. 7.True or false: an exhaust fan mainly gives out heat. (a) False (b) True
  8. 8.True or false: a night lamp mainly makes sound. (a) False (b) True
  9. 9.True or false: a room heater mainly gives out heat. (a) True (b) False
  10. 10.Which of these mainly makes movement? (a) an LED lamp (b) an electric kettle (c) an electric iron (d) an exhaust fan
  11. 11.True or false: a ceiling fan mainly gives out light. (a) False (b) True
  12. 12.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  13. 13.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) sound energy (d) chemical energy
  14. 14.⚡ What does a table fan mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  15. 15.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  16. 16.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.True or false: a rice cooker mainly makes sound. (a) False (b) True
  18. 18.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) sound energy (c) light energy (d) chemical energy
  19. 19.Which of these mainly gives out heat? (a) an electric iron (b) a night lamp (c) a tube light (d) a doorbell
  20. 20.🔍 Which is the odd one out? (a) a rice cooker (b) an LED lamp (c) a night lamp (d) a traffic signal
  21. 21.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  22. 22.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.Which of these gives us electricity? (a) a computer (b) a television (c) a generator (d) a water pump
  24. 24.Which of these mainly makes movement? (a) a water heater (b) a tube light (c) a ceiling fan (d) a rice cooker
  25. 25.🔍 Which is the odd one out? (a) a traffic signal (b) a tube light (c) an electric iron (d) a torch
  26. 26.True or false: a buzzer mainly makes sound. (a) False (b) True
  27. 27.Which of these mainly makes movement? (a) a toaster (b) a school bell (c) a table fan (d) a doorbell
  28. 28.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.True or false: a table fan mainly makes movement. (a) True (b) False
  30. 30.Which of these uses electricity? (a) a mobile phone (b) a wind turbine (c) a power station (d) a cell
  31. 31.Which of these mainly gives out heat? (a) a school bell (b) a street light (c) a ceiling fan (d) a rice cooker
  32. 32.🔍 Which is the odd one out? (a) an LED lamp (b) a buzzer (c) a torch (d) a street light
  33. 33.Which of these mainly makes sound? (a) a water heater (b) a loudspeaker (c) a rice cooker (d) an exhaust fan
  34. 34.Which of these uses electricity? (a) a battery (b) a refrigerator (c) a solar panel (d) a wind turbine
  35. 35.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.🔍 Which is the odd one out? (a) a loudspeaker (b) a mixer grinder (c) a buzzer (d) a school bell
  37. 37.⚡ What does a torch mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  38. 38.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  39. 39.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  40. 40.Which of these mainly gives out heat? (a) a mixer grinder (b) a school bell (c) a toaster (d) a traffic signal

Answer key

  1. electrical energy
  2. an LED lamp
  3. an electric kettle
  4. a school bell
  5. a doorbell
  6. a computer
  7. False
  8. False
  9. True
  10. an exhaust fan
  11. False
  12. gives electricity
  13. light energy
  14. movement
  15. True
  16. gives electricity
  17. False
  18. movement energy
  19. an electric iron
  20. a rice cooker
  21. True
  22. gives electricity
  23. a generator
  24. a ceiling fan
  25. an electric iron
  26. True
  27. a table fan
  28. gives electricity
  29. True
  30. a mobile phone
  31. a rice cooker
  32. a buzzer
  33. a loudspeaker
  34. a refrigerator
  35. uses electricity
  36. a mixer grinder
  37. light
  38. gives electricity
  39. light
  40. a toaster

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