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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 229 · 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 makes sound? (a) a table fan (b) a loudspeaker (c) a tube light (d) an electric kettle
  2. 2.🔍 Which is the odd one out? (a) a rice cooker (b) a room heater (c) a tube light (d) an electric kettle
  3. 3.🔍 Which is the odd one out? (a) an electric iron (b) a rice cooker (c) a street light (d) an electric kettle
  4. 4.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  6. 6.Which of these gives us electricity? (a) a computer (b) an air conditioner (c) a battery (d) a water pump
  7. 7.Which of these mainly makes movement? (a) a loudspeaker (b) a ceiling fan (c) a toaster (d) a water heater
  8. 8.Which of these mainly makes movement? (a) an electric kettle (b) a toaster (c) an LED lamp (d) a mixer grinder
  9. 9.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  10. 10.🔍 Which is the odd one out? (a) an electric kettle (b) an electric toy car (c) an electric drill (d) a mixer grinder
  11. 11.⚡ What does a room heater mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  12. 12.Which of these mainly gives out heat? (a) an exhaust fan (b) a night lamp (c) an electric kettle (d) a loudspeaker
  13. 13.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  14. 14.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  15. 15.⚡ What does an electric iron mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  16. 16.Which of these uses electricity? (a) a computer (b) a wind turbine (c) a generator (d) a solar panel
  17. 17.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  18. 18.🔍 Which is the odd one out? (a) a traffic signal (b) a toaster (c) an electric kettle (d) a rice cooker
  19. 19.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.True or false: a tube light mainly gives out heat. (a) False (b) True
  21. 21.Which of these mainly makes sound? (a) a water heater (b) a siren (c) a ceiling fan (d) a street light
  22. 22.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) a water pump (d) a bicycle dynamo
  23. 23.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  24. 24.🔍 Which is the odd one out? (a) a doorbell (b) a school bell (c) a buzzer (d) a table fan
  25. 25.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  26. 26.⚡ What does a school bell mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  27. 27.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.🔍 Which is the odd one out? (a) an LED lamp (b) a traffic signal (c) a night lamp (d) a siren
  29. 29.Which of these gives us electricity? (a) a cell (b) an air conditioner (c) a washing machine (d) a refrigerator
  30. 30.🔍 Which is the odd one out? (a) a siren (b) a buzzer (c) a doorbell (d) an electric drill
  31. 31.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) wind energy (d) sound energy
  32. 32.⚡ What does a toaster mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  33. 33.Which of these uses electricity? (a) an air conditioner (b) a wind turbine (c) a power station (d) a bicycle dynamo
  34. 34.⚡ What does a table fan mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  35. 35.⚡ What does a torch mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  36. 36.True or false: a night lamp mainly gives out light. (a) False (b) True
  37. 37.True or false: a mixer grinder mainly makes sound. (a) False (b) True
  38. 38.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) electric current (d) a magnet
  39. 39.Which of these mainly gives out heat? (a) a loudspeaker (b) a street light (c) a doorbell (d) a water heater
  40. 40.Which of these mainly gives out light? (a) a loudspeaker (b) a buzzer (c) a tube light (d) an electric drill

Answer key

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

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