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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 614 · 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: a toaster mainly gives out light. (a) False (b) True
  2. 2.Which of these uses electricity? (a) a battery (b) a mobile phone (c) a solar panel (d) a power station
  3. 3.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.True or false: an electric drill mainly makes sound. (a) False (b) True
  5. 5.True or false: a table fan mainly makes movement. (a) True (b) False
  6. 6.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) a night lamp (d) a doorbell
  8. 8.True or false: a siren mainly makes movement. (a) False (b) True
  9. 9.Which of these mainly gives out light? (a) a siren (b) a room heater (c) an LED lamp (d) an electric kettle
  10. 10.🔍 Which is the odd one out? (a) a night lamp (b) a rice cooker (c) a room heater (d) an electric kettle
  11. 11.Which of these uses electricity? (a) a refrigerator (b) a generator (c) a cell (d) a bicycle dynamo
  12. 12.⚡ What does a torch mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  13. 13.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) electrical energy (d) sound energy
  14. 14.Which of these mainly makes movement? (a) a street light (b) an electric iron (c) a mixer grinder (d) a buzzer
  15. 15.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  16. 16.Which of these mainly makes sound? (a) a torch (b) a room heater (c) a school bell (d) a tube light
  17. 17.Which of these mainly makes movement? (a) a tube light (b) an exhaust fan (c) an LED lamp (d) a traffic signal
  18. 18.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) a magnet (d) sound
  19. 19.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.Which of these mainly gives out light? (a) an exhaust fan (b) a rice cooker (c) a night lamp (d) a ceiling fan
  21. 21.🔍 Which is the odd one out? (a) a school bell (b) a buzzer (c) a rice cooker (d) a doorbell
  22. 22.Which of these mainly makes movement? (a) an electric iron (b) an electric drill (c) a tube light (d) a water heater
  23. 23.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.True or false: a school bell mainly gives out light. (a) True (b) False
  25. 25.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) a loudspeaker (d) a torch
  26. 26.Which of these mainly makes sound? (a) an electric kettle (b) a tube light (c) a doorbell (d) a mixer grinder
  27. 27.Which of these mainly makes sound? (a) a loudspeaker (b) a mixer grinder (c) a traffic signal (d) an LED lamp
  28. 28.Which of these uses electricity? (a) a bicycle dynamo (b) a generator (c) a solar panel (d) a television
  29. 29.Which of these mainly gives out light? (a) a toaster (b) a water heater (c) a ceiling fan (d) a tube light
  30. 30.Which of these uses electricity? (a) a power station (b) a solar panel (c) a bicycle dynamo (d) a water pump
  31. 31.True or false: a buzzer mainly gives out heat. (a) True (b) False
  32. 32.Which of these mainly makes movement? (a) a night lamp (b) a tube light (c) an LED lamp (d) a ceiling fan
  33. 33.True or false: a mixer grinder mainly gives out light. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric toy car (c) a table fan (d) an electric kettle
  35. 35.🔍 Which is the odd one out? (a) a ceiling fan (b) a buzzer (c) an electric toy car (d) an exhaust fan
  36. 36.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) a refrigerator (d) a battery
  37. 37.Which of these uses electricity? (a) a solar panel (b) a washing machine (c) a wind turbine (d) a power station
  38. 38.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) chemical energy (c) movement energy (d) light energy
  39. 39.Which of these gives us electricity? (a) a mobile phone (b) a washing machine (c) a wind turbine (d) a computer
  40. 40.🔍 Which is the odd one out? (a) a toaster (b) a room heater (c) a tube light (d) a water heater

Answer key

  1. False
  2. a mobile phone
  3. uses electricity
  4. False
  5. True
  6. gives electricity
  7. a doorbell
  8. False
  9. an LED lamp
  10. a night lamp
  11. a refrigerator
  12. light
  13. electrical energy
  14. a mixer grinder
  15. movement energy
  16. a school bell
  17. an exhaust fan
  18. electric current
  19. gives electricity
  20. a night lamp
  21. a rice cooker
  22. an electric drill
  23. gives electricity
  24. False
  25. a torch
  26. a doorbell
  27. a loudspeaker
  28. a television
  29. a tube light
  30. a water pump
  31. False
  32. a ceiling fan
  33. False
  34. an electric kettle
  35. a buzzer
  36. a battery
  37. a washing machine
  38. movement energy
  39. a wind turbine
  40. a tube light

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