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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 983 · 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.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  2. 2.Which of these mainly gives out light? (a) an electric kettle (b) a street light (c) a toaster (d) an electric toy car
  3. 3.Which of these mainly makes movement? (a) a traffic signal (b) a mixer grinder (c) a night lamp (d) a school bell
  4. 4.Which of these mainly gives out light? (a) an electric drill (b) a traffic signal (c) a buzzer (d) a toaster
  5. 5.Which of these uses electricity? (a) a battery (b) a solar panel (c) a power station (d) a refrigerator
  6. 6.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) chemical energy (d) sound energy
  7. 7.True or false: a buzzer mainly makes sound. (a) False (b) True
  8. 8.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.True or false: a siren mainly makes movement. (a) True (b) False
  11. 11.Which of these mainly makes sound? (a) a traffic signal (b) a room heater (c) a toaster (d) a school bell
  12. 12.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) sound energy (c) electrical energy (d) wind energy
  13. 13.Which of these uses electricity? (a) a bicycle dynamo (b) a battery (c) a television (d) a solar panel
  14. 14.True or false: an LED lamp mainly gives out light. (a) True (b) False
  15. 15.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) an electric kettle (d) a school bell
  16. 16.🔍 Which is the odd one out? (a) a water heater (b) a toaster (c) a ceiling fan (d) an electric iron
  17. 17.Which of these mainly makes sound? (a) a buzzer (b) a torch (c) a mixer grinder (d) an electric kettle
  18. 18.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.⚡ What does a toaster mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  20. 20.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  21. 21.Which of these gives us electricity? (a) a computer (b) a mobile phone (c) a washing machine (d) a solar panel
  22. 22.🔍 Which is the odd one out? (a) a torch (b) a night lamp (c) a tube light (d) a toaster
  23. 23.Which of these uses electricity? (a) a cell (b) a computer (c) a power station (d) a solar panel
  24. 24.⚡ What does a street light mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  25. 25.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  26. 26.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.⚡ What does a night lamp mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  29. 29.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) friction (d) a magnet
  31. 31.🔍 Which is the odd one out? (a) a traffic signal (b) a night lamp (c) a street light (d) a doorbell
  32. 32.Which of these mainly gives out heat? (a) a rice cooker (b) a loudspeaker (c) a night lamp (d) an electric drill
  33. 33.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.True or false: a street light mainly gives out heat. (a) False (b) True
  35. 35.Which of these mainly gives out heat? (a) a street light (b) a room heater (c) a night lamp (d) an electric drill
  36. 36.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  37. 37.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  38. 38.Which of these mainly makes movement? (a) a torch (b) a loudspeaker (c) a doorbell (d) an exhaust fan
  39. 39.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  40. 40.Which of these mainly gives out light? (a) a doorbell (b) a night lamp (c) an exhaust fan (d) an electric toy car

Answer key

  1. movement energy
  2. a street light
  3. a mixer grinder
  4. a traffic signal
  5. a refrigerator
  6. light energy
  7. True
  8. uses electricity
  9. uses electricity
  10. False
  11. a school bell
  12. electrical energy
  13. a television
  14. True
  15. an electric kettle
  16. a ceiling fan
  17. a buzzer
  18. uses electricity
  19. heat
  20. movement
  21. a solar panel
  22. a toaster
  23. a computer
  24. light
  25. heat
  26. gives electricity
  27. gives electricity
  28. light
  29. gives electricity
  30. electric current
  31. a doorbell
  32. a rice cooker
  33. uses electricity
  34. False
  35. a room heater
  36. movement
  37. electrons
  38. an exhaust fan
  39. True
  40. a night lamp

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