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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 895 · 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: a room heater mainly gives out heat. (a) False (b) True
  2. 2.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.🔍 Which is the odd one out? (a) an electric toy car (b) a mixer grinder (c) a street light (d) an electric drill
  4. 4.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) movement energy (c) sound energy (d) light energy
  5. 5.True or false: a traffic signal mainly makes sound. (a) False (b) True
  6. 6.⚡ What does an electric iron mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  7. 7.Which of these uses electricity? (a) a cell (b) a computer (c) a bicycle dynamo (d) a generator
  8. 8.🔍 Which is the odd one out? (a) a torch (b) a school bell (c) a street light (d) a night lamp
  9. 9.Which of these uses electricity? (a) a power station (b) a refrigerator (c) a battery (d) a solar panel
  10. 10.🔍 Which is the odd one out? (a) a torch (b) a tube light (c) a night lamp (d) an electric iron
  11. 11.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) wind energy (d) sound energy
  12. 12.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a generator (d) a water pump
  13. 13.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.Which of these uses electricity? (a) a generator (b) a solar panel (c) a washing machine (d) a bicycle dynamo
  15. 15.🔍 Which is the odd one out? (a) a table fan (b) a doorbell (c) a ceiling fan (d) a mixer grinder
  16. 16.🔍 Which is the odd one out? (a) a doorbell (b) a loudspeaker (c) a mixer grinder (d) a buzzer
  17. 17.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) electrons (d) dust particles
  18. 18.Which of these gives us electricity? (a) a refrigerator (b) a mobile phone (c) a water pump (d) a battery
  19. 19.Which of these mainly gives out heat? (a) a torch (b) a street light (c) an electric kettle (d) an exhaust fan
  20. 20.Which of these mainly makes movement? (a) a street light (b) a mixer grinder (c) a buzzer (d) a night lamp
  21. 21.Which of these mainly makes movement? (a) a buzzer (b) an LED lamp (c) a ceiling fan (d) a siren
  22. 22.Which of these uses electricity? (a) a television (b) a wind turbine (c) a power station (d) a cell
  23. 23.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.⚡ What does a room heater mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  26. 26.Which of these mainly gives out heat? (a) a doorbell (b) a table fan (c) an electric iron (d) a loudspeaker
  27. 27.🔍 Which is the odd one out? (a) a buzzer (b) a loudspeaker (c) a doorbell (d) a tube light
  28. 28.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.True or false: a loudspeaker mainly gives out heat. (a) True (b) False
  30. 30.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) wind energy (d) sound energy
  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.Which of these gives us electricity? (a) a bicycle dynamo (b) a water pump (c) an air conditioner (d) a television
  34. 34.Which of these mainly makes sound? (a) an electric toy car (b) a rice cooker (c) a torch (d) a doorbell
  35. 35.Which of these mainly makes sound? (a) a ceiling fan (b) a buzzer (c) a street light (d) a toaster
  36. 36.⚡ What does a doorbell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  37. 37.True or false: a toaster mainly gives out heat. (a) False (b) True
  38. 38.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  39. 39.🔍 Which is the odd one out? (a) an LED lamp (b) a toaster (c) a tube light (d) a street light
  40. 40.True or false: a toaster mainly gives out light. (a) True (b) False

Answer key

  1. True
  2. uses electricity
  3. a street light
  4. movement energy
  5. False
  6. heat
  7. a computer
  8. a school bell
  9. a refrigerator
  10. an electric iron
  11. electrical energy
  12. a generator
  13. uses electricity
  14. a washing machine
  15. a doorbell
  16. a mixer grinder
  17. electrons
  18. a battery
  19. an electric kettle
  20. a mixer grinder
  21. a ceiling fan
  22. a television
  23. uses electricity
  24. gives electricity
  25. heat
  26. an electric iron
  27. a tube light
  28. gives electricity
  29. False
  30. light energy
  31. gives electricity
  32. False
  33. a bicycle dynamo
  34. a doorbell
  35. a buzzer
  36. sound
  37. True
  38. heat
  39. a toaster
  40. False

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