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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 178 · 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.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) a television (d) a power station
  2. 2.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) movement energy (c) sound energy (d) light energy
  3. 3.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  4. 4.Which of these mainly gives out heat? (a) an electric toy car (b) an electric iron (c) a traffic signal (d) a school bell
  5. 5.🔍 Which is the odd one out? (a) a table fan (b) a mixer grinder (c) a ceiling fan (d) a tube light
  6. 6.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.⚡ What does a room heater mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  8. 8.Which of these mainly gives out heat? (a) a buzzer (b) a doorbell (c) an electric drill (d) a rice cooker
  9. 9.Which of these gives us electricity? (a) a computer (b) a television (c) a battery (d) a water pump
  10. 10.True or false: an electric iron mainly gives out heat. (a) False (b) True
  11. 11.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  12. 12.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) a magnet (d) sound
  13. 13.Which of these gives us electricity? (a) a mobile phone (b) a television (c) a cell (d) a refrigerator
  14. 14.Which of these mainly makes movement? (a) a water heater (b) an electric drill (c) a torch (d) a school bell
  15. 15.🔍 Which is the odd one out? (a) a doorbell (b) a water heater (c) a siren (d) a loudspeaker
  16. 16.True or false: an electric toy car mainly makes movement. (a) True (b) False
  17. 17.True or false: an electric kettle mainly makes movement. (a) False (b) True
  18. 18.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) nuclear energy (d) electrical energy
  19. 19.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  20. 20.Which of these mainly makes movement? (a) a room heater (b) a tube light (c) a ceiling fan (d) a loudspeaker
  21. 21.🔍 Which is the odd one out? (a) an electric iron (b) a street light (c) a water heater (d) a room heater
  22. 22.🔍 Which is the odd one out? (a) a torch (b) a doorbell (c) an LED lamp (d) a tube light
  23. 23.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.Which of these mainly makes sound? (a) an electric drill (b) a doorbell (c) a rice cooker (d) an LED lamp
  26. 26.🔍 Which is the odd one out? (a) a rice cooker (b) a doorbell (c) a loudspeaker (d) a school bell
  27. 27.🔍 Which is the odd one out? (a) a school bell (b) a loudspeaker (c) a siren (d) a ceiling fan
  28. 28.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.Which of these uses electricity? (a) a battery (b) a cell (c) an air conditioner (d) a solar panel
  30. 30.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.🔍 Which is the odd one out? (a) a siren (b) a loudspeaker (c) a doorbell (d) an electric kettle
  33. 33.Which of these uses electricity? (a) a power station (b) a wind turbine (c) a solar panel (d) a television
  34. 34.Which of these mainly gives out light? (a) a water heater (b) a torch (c) a room heater (d) an electric toy car
  35. 35.Which of these mainly makes movement? (a) a night lamp (b) a water heater (c) a buzzer (d) a mixer grinder
  36. 36.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  37. 37.Which of these gives us electricity? (a) a computer (b) a wind turbine (c) a mobile phone (d) a television
  38. 38.🔍 Which is the odd one out? (a) a siren (b) a table fan (c) a buzzer (d) a loudspeaker
  39. 39.⚡ What does a buzzer mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  40. 40.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy

Answer key

  1. a power station
  2. movement energy
  3. heat
  4. an electric iron
  5. a tube light
  6. gives electricity
  7. heat
  8. a rice cooker
  9. a battery
  10. True
  11. uses electricity
  12. electric current
  13. a cell
  14. an electric drill
  15. a water heater
  16. True
  17. False
  18. electrical energy
  19. True
  20. a ceiling fan
  21. a street light
  22. a doorbell
  23. gives electricity
  24. gives electricity
  25. a doorbell
  26. a rice cooker
  27. a ceiling fan
  28. uses electricity
  29. an air conditioner
  30. gives electricity
  31. gives electricity
  32. an electric kettle
  33. a television
  34. a torch
  35. a mixer grinder
  36. electrons
  37. a wind turbine
  38. a table fan
  39. sound
  40. light energy

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