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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 686 · 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: an exhaust fan mainly makes movement. (a) True (b) False
  2. 2.Which of these gives us electricity? (a) a computer (b) a television (c) a solar panel (d) a washing machine
  3. 3.⚡ What does a doorbell mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  4. 4.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) chemical energy (c) movement energy (d) light energy
  5. 5.🔍 Which is the odd one out? (a) a mixer grinder (b) an exhaust fan (c) a night lamp (d) a ceiling fan
  6. 6.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  7. 7.🔍 Which is the odd one out? (a) a street light (b) a night lamp (c) a water heater (d) an LED lamp
  8. 8.Which of these mainly gives out light? (a) a doorbell (b) a rice cooker (c) a street light (d) an exhaust fan
  9. 9.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  11. 11.Which of these mainly gives out light? (a) a buzzer (b) a night lamp (c) a table fan (d) a mixer grinder
  12. 12.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  13. 13.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  14. 14.Which of these mainly gives out heat? (a) a water heater (b) a street light (c) a buzzer (d) an electric drill
  15. 15.Which of these uses electricity? (a) a battery (b) a wind turbine (c) a power station (d) a mobile phone
  16. 16.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.True or false: an electric iron mainly gives out heat. (a) False (b) True
  18. 18.Which of these gives us electricity? (a) a computer (b) a battery (c) a television (d) a mobile phone
  19. 19.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.True or false: an electric drill mainly makes movement. (a) False (b) True
  21. 21.Which of these mainly makes sound? (a) an LED lamp (b) an electric drill (c) a loudspeaker (d) an exhaust fan
  22. 22.⚡ What does a water heater mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  23. 23.⚡ What does a siren mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  24. 24.🔍 Which is the odd one out? (a) a mixer grinder (b) a torch (c) a ceiling fan (d) a table fan
  25. 25.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) electrons (d) photons
  26. 26.Which of these mainly gives out light? (a) a water heater (b) a traffic signal (c) an electric iron (d) an electric toy car
  27. 27.Which of these mainly makes movement? (a) an electric kettle (b) a room heater (c) a tube light (d) a mixer grinder
  28. 28.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a doorbell (d) an electric kettle
  29. 29.True or false: an LED lamp mainly makes movement. (a) True (b) False
  30. 30.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  31. 31.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.True or false: a rice cooker mainly gives out light. (a) True (b) False
  33. 33.⚡ What does a street light mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  34. 34.Which of these uses electricity? (a) a television (b) a solar panel (c) a power station (d) a bicycle dynamo
  35. 35.True or false: a siren mainly makes movement. (a) False (b) True
  36. 36.Which of these mainly makes movement? (a) an electric toy car (b) a buzzer (c) a traffic signal (d) a loudspeaker
  37. 37.⚡ What does an electric iron mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  38. 38.🔍 Which is the odd one out? (a) an electric kettle (b) an electric iron (c) an exhaust fan (d) a rice cooker
  39. 39.Which of these gives us electricity? (a) a television (b) a water pump (c) a generator (d) an air conditioner
  40. 40.Which of these gives us electricity? (a) a water pump (b) a television (c) an air conditioner (d) a bicycle dynamo

Answer key

  1. True
  2. a solar panel
  3. sound
  4. movement energy
  5. a night lamp
  6. electric current
  7. a water heater
  8. a street light
  9. gives electricity
  10. heat
  11. a night lamp
  12. heat
  13. movement energy
  14. a water heater
  15. a mobile phone
  16. uses electricity
  17. True
  18. a battery
  19. uses electricity
  20. True
  21. a loudspeaker
  22. heat
  23. sound
  24. a torch
  25. electrons
  26. a traffic signal
  27. a mixer grinder
  28. an electric kettle
  29. False
  30. True
  31. gives electricity
  32. False
  33. light
  34. a television
  35. False
  36. an electric toy car
  37. heat
  38. an exhaust fan
  39. a generator
  40. a bicycle dynamo

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