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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 256 · 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.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  2. 2.True or false: a toaster mainly makes movement. (a) False (b) True
  3. 3.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  5. 5.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.Which of these uses electricity? (a) a generator (b) a power station (c) a bicycle dynamo (d) a refrigerator
  7. 7.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.🔍 Which is the odd one out? (a) a table fan (b) an exhaust fan (c) a room heater (d) a mixer grinder
  9. 9.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) electric current (d) a magnet
  11. 11.Which of these gives us electricity? (a) a battery (b) a mobile phone (c) a television (d) a washing machine
  12. 12.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  13. 13.⚡ What does a street light mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  14. 14.Which of these mainly gives out heat? (a) a room heater (b) a night lamp (c) a torch (d) a ceiling fan
  15. 15.⚡ What does a torch mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  16. 16.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.🔍 Which is the odd one out? (a) a street light (b) an electric drill (c) an LED lamp (d) a traffic signal
  18. 18.🔍 Which is the odd one out? (a) a loudspeaker (b) an electric kettle (c) a buzzer (d) a siren
  19. 19.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  21. 21.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.Which of these uses electricity? (a) a power station (b) a mobile phone (c) a cell (d) a wind turbine
  23. 23.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) nuclear energy (d) electrical energy
  24. 24.Which of these gives us electricity? (a) a mobile phone (b) a power station (c) a television (d) a water pump
  25. 25.Which of these mainly gives out light? (a) a siren (b) an electric iron (c) a night lamp (d) an electric drill
  26. 26.Which of these uses electricity? (a) a power station (b) a solar panel (c) a cell (d) a television
  27. 27.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric toy car (c) a ceiling fan (d) a doorbell
  28. 28.Which of these mainly gives out heat? (a) a mixer grinder (b) a torch (c) an electric iron (d) a table fan
  29. 29.🔍 Which is the odd one out? (a) a loudspeaker (b) a water heater (c) an electric kettle (d) a toaster
  30. 30.Which of these mainly makes sound? (a) a doorbell (b) an exhaust fan (c) a tube light (d) a room heater
  31. 31.Which of these mainly gives out light? (a) a loudspeaker (b) an exhaust fan (c) a traffic signal (d) a water heater
  32. 32.⚡ What does an electric drill mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  33. 33.True or false: a school bell mainly gives out light. (a) True (b) False
  34. 34.Which of these uses electricity? (a) a bicycle dynamo (b) a battery (c) a cell (d) a washing machine
  35. 35.Which of these gives us electricity? (a) a washing machine (b) a wind turbine (c) an air conditioner (d) a computer
  36. 36.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  37. 37.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  38. 38.Which of these mainly makes sound? (a) an electric kettle (b) a siren (c) a rice cooker (d) a mixer grinder
  39. 39.True or false: a toaster mainly gives out heat. (a) False (b) True
  40. 40.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) movement energy (d) sound energy

Answer key

  1. electrons
  2. False
  3. gives electricity
  4. light
  5. gives electricity
  6. a refrigerator
  7. gives electricity
  8. a room heater
  9. gives electricity
  10. electric current
  11. a battery
  12. heat
  13. light
  14. a room heater
  15. light
  16. gives electricity
  17. an electric drill
  18. an electric kettle
  19. uses electricity
  20. heat
  21. gives electricity
  22. a mobile phone
  23. electrical energy
  24. a power station
  25. a night lamp
  26. a television
  27. a doorbell
  28. an electric iron
  29. a loudspeaker
  30. a doorbell
  31. a traffic signal
  32. movement
  33. False
  34. a washing machine
  35. a wind turbine
  36. movement energy
  37. gives electricity
  38. a siren
  39. True
  40. movement energy

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