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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 365 · 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) wind energy (b) nuclear energy (c) sound energy (d) electrical energy
  2. 2.Which of these uses electricity? (a) a generator (b) a solar panel (c) a refrigerator (d) a wind turbine
  3. 3.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  4. 4.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  5. 5.Which of these mainly gives out light? (a) a siren (b) a doorbell (c) a street light (d) a rice cooker
  6. 6.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric drill (c) an electric toy car (d) a torch
  7. 7.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) wind energy
  10. 10.⚡ What does a siren mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  11. 11.🔍 Which is the odd one out? (a) a night lamp (b) a school bell (c) a doorbell (d) a siren
  12. 12.True or false: an LED lamp mainly gives out light. (a) False (b) True
  13. 13.Which of these gives us electricity? (a) a wind turbine (b) an air conditioner (c) a computer (d) a refrigerator
  14. 14.Which of these mainly makes sound? (a) a doorbell (b) a room heater (c) a street light (d) an electric iron
  15. 15.True or false: a toaster mainly gives out heat. (a) False (b) True
  16. 16.Which of these gives us electricity? (a) a washing machine (b) a refrigerator (c) a computer (d) a generator
  17. 17.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a computer (d) a bicycle dynamo
  18. 18.Which of these mainly gives out light? (a) a toaster (b) a tube light (c) a loudspeaker (d) a rice cooker
  19. 19.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  20. 20.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) water drops (d) dust particles
  21. 21.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) a battery (d) a television
  22. 22.True or false: an exhaust fan mainly gives out heat. (a) True (b) False
  23. 23.True or false: a night lamp mainly gives out light. (a) True (b) False
  24. 24.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  25. 25.True or false: a toaster mainly makes sound. (a) True (b) False
  26. 26.Which of these uses electricity? (a) a wind turbine (b) a cell (c) a computer (d) a bicycle dynamo
  27. 27.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) electric current (d) friction
  28. 28.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  30. 30.🔍 Which is the odd one out? (a) an electric drill (b) a street light (c) a ceiling fan (d) a table fan
  31. 31.Which of these mainly gives out light? (a) an electric toy car (b) a ceiling fan (c) a school bell (d) an LED lamp
  32. 32.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) light energy (c) sound energy (d) chemical energy
  33. 33.🔍 Which is the odd one out? (a) an electric toy car (b) a traffic signal (c) a tube light (d) a night lamp
  34. 34.Which of these gives us electricity? (a) a water pump (b) a power station (c) a mobile phone (d) a washing machine
  35. 35.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  36. 36.True or false: a room heater mainly gives out heat. (a) False (b) True
  37. 37.Which of these mainly makes sound? (a) a water heater (b) a siren (c) a ceiling fan (d) an LED lamp
  38. 38.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  39. 39.🔍 Which is the odd one out? (a) a toaster (b) a water heater (c) a tube light (d) a room heater
  40. 40.⚡ What does a doorbell mainly change electricity into? (a) heat (b) movement (c) sound (d) light

Answer key

  1. electrical energy
  2. a refrigerator
  3. heat
  4. movement
  5. a street light
  6. a torch
  7. uses electricity
  8. gives electricity
  9. light energy
  10. sound
  11. a night lamp
  12. True
  13. a wind turbine
  14. a doorbell
  15. True
  16. a generator
  17. a bicycle dynamo
  18. a tube light
  19. True
  20. electrons
  21. a battery
  22. False
  23. True
  24. movement energy
  25. False
  26. a computer
  27. electric current
  28. gives electricity
  29. True
  30. a street light
  31. an LED lamp
  32. movement energy
  33. an electric toy car
  34. a power station
  35. heat
  36. True
  37. a siren
  38. movement
  39. a tube light
  40. sound

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