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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 141 · 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 rice cooker mainly gives out heat. (a) False (b) True
  2. 2.Which of these mainly gives out heat? (a) a torch (b) an LED lamp (c) an electric iron (d) an electric toy car
  3. 3.🔍 Which is the odd one out? (a) an exhaust fan (b) a school bell (c) a mixer grinder (d) a ceiling fan
  4. 4.🔍 Which is the odd one out? (a) a rice cooker (b) a room heater (c) a torch (d) a toaster
  5. 5.Which of these mainly makes sound? (a) an electric toy car (b) an exhaust fan (c) a doorbell (d) a table fan
  6. 6.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  7. 7.True or false: a siren mainly gives out light. (a) False (b) True
  8. 8.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) chemical energy (d) light energy
  9. 9.🔍 Which is the odd one out? (a) a room heater (b) a rice cooker (c) a water heater (d) a mixer grinder
  10. 10.Which of these mainly gives out heat? (a) an LED lamp (b) a siren (c) a loudspeaker (d) an electric kettle
  11. 11.True or false: a doorbell mainly makes movement. (a) True (b) False
  12. 12.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) movement energy (d) sound energy
  13. 13.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.⚡ What does a siren mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  15. 15.Which of these mainly makes sound? (a) a water heater (b) a street light (c) a siren (d) a night lamp
  16. 16.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  19. 19.Which of these uses electricity? (a) a bicycle dynamo (b) a generator (c) a washing machine (d) a wind turbine
  20. 20.Which of these mainly makes movement? (a) an LED lamp (b) a loudspeaker (c) a ceiling fan (d) a traffic signal
  21. 21.⚡ What does a table fan mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  22. 22.Which of these mainly gives out heat? (a) an electric toy car (b) a loudspeaker (c) a rice cooker (d) a ceiling fan
  23. 23.🔍 Which is the odd one out? (a) an electric kettle (b) a mixer grinder (c) a ceiling fan (d) an electric toy car
  24. 24.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.True or false: an electric kettle mainly makes sound. (a) False (b) True
  26. 26.Which of these mainly gives out light? (a) a buzzer (b) a street light (c) a mixer grinder (d) an electric kettle
  27. 27.True or false: a mixer grinder mainly gives out heat. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) a doorbell (b) a ceiling fan (c) a mixer grinder (d) an electric toy car
  29. 29.Which of these uses electricity? (a) a cell (b) a solar panel (c) an air conditioner (d) a power station
  30. 30.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.Which of these mainly makes sound? (a) a school bell (b) a tube light (c) an electric toy car (d) a room heater
  32. 32.Which of these uses electricity? (a) a bicycle dynamo (b) a wind turbine (c) a refrigerator (d) a cell
  33. 33.Which of these mainly makes sound? (a) an electric iron (b) a mixer grinder (c) a toaster (d) a buzzer
  34. 34.True or false: a doorbell mainly makes sound. (a) False (b) True
  35. 35.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) sound (c) friction (d) a magnet
  36. 36.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  37. 37.⚡ What does a school bell mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  38. 38.Which of these mainly gives out heat? (a) a table fan (b) a ceiling fan (c) a loudspeaker (d) a room heater
  39. 39.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  40. 40.Which of these mainly gives out light? (a) a night lamp (b) a doorbell (c) an electric kettle (d) a buzzer

Answer key

  1. True
  2. an electric iron
  3. a school bell
  4. a torch
  5. a doorbell
  6. light
  7. False
  8. light energy
  9. a mixer grinder
  10. an electric kettle
  11. False
  12. movement energy
  13. uses electricity
  14. sound
  15. a siren
  16. gives electricity
  17. gives electricity
  18. True
  19. a washing machine
  20. a ceiling fan
  21. movement
  22. a rice cooker
  23. an electric kettle
  24. gives electricity
  25. False
  26. a street light
  27. False
  28. a doorbell
  29. an air conditioner
  30. uses electricity
  31. a school bell
  32. a refrigerator
  33. a buzzer
  34. True
  35. electric current
  36. electrons
  37. sound
  38. a room heater
  39. uses electricity
  40. a night lamp

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