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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 394 · 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 movement? (a) a loudspeaker (b) a buzzer (c) an electric drill (d) an LED lamp
  2. 2.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) sound energy (d) electrical energy
  4. 4.True or false: an exhaust fan mainly makes movement. (a) False (b) True
  5. 5.True or false: an electric drill mainly makes movement. (a) True (b) False
  6. 6.Which of these mainly makes movement? (a) a water heater (b) a buzzer (c) an electric iron (d) an exhaust fan
  7. 7.🔍 Which is the odd one out? (a) a night lamp (b) a tube light (c) an electric kettle (d) a street light
  8. 8.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  9. 9.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  10. 10.⚡ What does an electric drill mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  11. 11.True or false: a doorbell mainly makes sound. (a) False (b) True
  12. 12.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  13. 13.True or false: a room heater mainly gives out light. (a) False (b) True
  14. 14.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.Which of these gives us electricity? (a) a refrigerator (b) an air conditioner (c) a water pump (d) a battery
  16. 16.Which of these mainly gives out light? (a) a tube light (b) a school bell (c) a buzzer (d) a room heater
  17. 17.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) chemical energy (d) light energy
  18. 18.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.True or false: an electric toy car mainly makes movement. (a) True (b) False
  21. 21.Which of these mainly makes sound? (a) a rice cooker (b) a night lamp (c) a loudspeaker (d) an electric kettle
  22. 22.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  23. 23.Which of these mainly gives out light? (a) a night lamp (b) a loudspeaker (c) a mixer grinder (d) a school bell
  24. 24.Which of these mainly gives out light? (a) a traffic signal (b) a water heater (c) a doorbell (d) an electric iron
  25. 25.Which of these uses electricity? (a) a generator (b) a computer (c) a bicycle dynamo (d) a solar panel
  26. 26.Which of these mainly gives out light? (a) an exhaust fan (b) a table fan (c) a street light (d) a school bell
  27. 27.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) a buzzer (d) an LED lamp
  28. 28.Which of these uses electricity? (a) a bicycle dynamo (b) a cell (c) a generator (d) a washing machine
  29. 29.Which of these mainly gives out heat? (a) an LED lamp (b) an electric iron (c) a traffic signal (d) a mixer grinder
  30. 30.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  32. 32.True or false: an LED lamp mainly makes movement. (a) False (b) True
  33. 33.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) electrons (d) photons
  34. 34.Which of these mainly makes movement? (a) a mixer grinder (b) a water heater (c) a doorbell (d) a night lamp
  35. 35.Which of these mainly makes sound? (a) a street light (b) a rice cooker (c) an electric toy car (d) a school bell
  36. 36.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.Which of these gives us electricity? (a) a computer (b) a solar panel (c) a mobile phone (d) a washing machine
  38. 38.True or false: a siren mainly gives out heat. (a) True (b) False
  39. 39.⚡ What does a table fan mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  40. 40.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) sound (d) light

Answer key

  1. an electric drill
  2. gives electricity
  3. electrical energy
  4. True
  5. True
  6. an exhaust fan
  7. an electric kettle
  8. movement
  9. movement energy
  10. movement
  11. True
  12. electric current
  13. False
  14. uses electricity
  15. a battery
  16. a tube light
  17. light energy
  18. uses electricity
  19. gives electricity
  20. True
  21. a loudspeaker
  22. movement
  23. a night lamp
  24. a traffic signal
  25. a computer
  26. a street light
  27. an LED lamp
  28. a washing machine
  29. an electric iron
  30. uses electricity
  31. movement energy
  32. False
  33. electrons
  34. a mixer grinder
  35. a school bell
  36. uses electricity
  37. a solar panel
  38. False
  39. movement
  40. sound

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