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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 386 · 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 sound? (a) a school bell (b) an electric toy car (c) a traffic signal (d) a tube light
  2. 2.🔍 Which is the odd one out? (a) a tube light (b) a street light (c) a night lamp (d) a loudspeaker
  3. 3.Which of these uses electricity? (a) a water pump (b) a battery (c) a solar panel (d) a power station
  4. 4.Which of these gives us electricity? (a) a generator (b) an air conditioner (c) a computer (d) a water pump
  5. 5.Which of these mainly gives out heat? (a) a doorbell (b) an exhaust fan (c) a night lamp (d) an electric kettle
  6. 6.⚡ What does a school bell mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  7. 7.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  8. 8.🔍 Which is the odd one out? (a) an electric iron (b) a water heater (c) a doorbell (d) a room heater
  9. 9.Which of these uses electricity? (a) a power station (b) a computer (c) a cell (d) a solar panel
  10. 10.True or false: a doorbell mainly makes sound. (a) False (b) True
  11. 11.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  12. 12.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  13. 13.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  14. 14.🔍 Which is the odd one out? (a) an electric toy car (b) an exhaust fan (c) a table fan (d) a toaster
  15. 15.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.⚡ What does an electric iron mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  17. 17.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) chemical energy (d) sound energy
  19. 19.True or false: a table fan mainly makes movement. (a) False (b) True
  20. 20.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  21. 21.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.Which of these uses electricity? (a) a wind turbine (b) a generator (c) a refrigerator (d) a solar panel
  23. 23.Which of these gives us electricity? (a) a bicycle dynamo (b) a washing machine (c) an air conditioner (d) a television
  24. 24.Which of these mainly gives out light? (a) a mixer grinder (b) a loudspeaker (c) an electric iron (d) a street light
  25. 25.Which of these gives us electricity? (a) a television (b) a computer (c) a wind turbine (d) a water pump
  26. 26.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  27. 27.Which of these mainly makes sound? (a) a ceiling fan (b) a doorbell (c) an electric toy car (d) a mixer grinder
  28. 28.Which of these gives us electricity? (a) a battery (b) a refrigerator (c) a water pump (d) a washing machine
  29. 29.True or false: a school bell mainly gives out light. (a) False (b) True
  30. 30.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  31. 31.Which of these uses electricity? (a) a television (b) a cell (c) a bicycle dynamo (d) a wind turbine
  32. 32.🔍 Which is the odd one out? (a) an electric toy car (b) an electric drill (c) a mixer grinder (d) a street light
  33. 33.Which of these mainly gives out light? (a) a doorbell (b) a torch (c) a rice cooker (d) a siren
  34. 34.Which of these mainly makes movement? (a) a siren (b) a loudspeaker (c) a ceiling fan (d) a toaster
  35. 35.Which of these mainly gives out light? (a) a traffic signal (b) a rice cooker (c) a ceiling fan (d) a room heater
  36. 36.🔍 Which is the odd one out? (a) an electric kettle (b) a doorbell (c) a buzzer (d) a siren
  37. 37.Which of these mainly makes sound? (a) a street light (b) a siren (c) a mixer grinder (d) a water heater
  38. 38.Which of these mainly makes movement? (a) an electric toy car (b) a doorbell (c) a school bell (d) a night lamp
  39. 39.🔍 Which is the odd one out? (a) an LED lamp (b) a traffic signal (c) a night lamp (d) a ceiling fan
  40. 40.⚡ What does a doorbell mainly change electricity into? (a) movement (b) light (c) sound (d) heat

Answer key

  1. a school bell
  2. a loudspeaker
  3. a water pump
  4. a generator
  5. an electric kettle
  6. sound
  7. electric current
  8. a doorbell
  9. a computer
  10. True
  11. electrons
  12. gives electricity
  13. light
  14. a toaster
  15. gives electricity
  16. heat
  17. gives electricity
  18. light energy
  19. True
  20. movement
  21. uses electricity
  22. a refrigerator
  23. a bicycle dynamo
  24. a street light
  25. a wind turbine
  26. heat
  27. a doorbell
  28. a battery
  29. False
  30. heat
  31. a television
  32. a street light
  33. a torch
  34. a ceiling fan
  35. a traffic signal
  36. an electric kettle
  37. a siren
  38. an electric toy car
  39. a ceiling fan
  40. sound

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