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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 732 · 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 mainly gives out light? (a) a toaster (b) a torch (c) a water heater (d) a siren
  2. 2.Which of these mainly gives out light? (a) a siren (b) an electric iron (c) an electric kettle (d) a street light
  3. 3.Which of these gives us electricity? (a) a bicycle dynamo (b) a water pump (c) a computer (d) a mobile phone
  4. 4.True or false: an exhaust fan mainly gives out light. (a) False (b) True
  5. 5.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.Which of these gives us electricity? (a) a refrigerator (b) a mobile phone (c) a water pump (d) a power station
  8. 8.True or false: a table fan mainly makes movement. (a) True (b) False
  9. 9.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) photons (d) electrons
  10. 10.Which of these mainly makes sound? (a) a water heater (b) a mixer grinder (c) a loudspeaker (d) a toaster
  11. 11.Which of these mainly gives out light? (a) a water heater (b) an electric drill (c) a tube light (d) an electric toy car
  12. 12.🔍 Which is the odd one out? (a) an electric toy car (b) a loudspeaker (c) an exhaust fan (d) an electric drill
  13. 13.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.⚡ What does a ceiling fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  15. 15.True or false: an LED lamp mainly gives out light. (a) True (b) False
  16. 16.True or false: a room heater mainly makes sound. (a) True (b) False
  17. 17.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) chemical energy (c) light energy (d) movement energy
  19. 19.Which of these gives us electricity? (a) a television (b) a solar panel (c) an air conditioner (d) a refrigerator
  20. 20.Which of these mainly makes movement? (a) a street light (b) a school bell (c) a loudspeaker (d) a table fan
  21. 21.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) electrical energy (d) sound energy
  22. 22.🔍 Which is the odd one out? (a) an electric kettle (b) an exhaust fan (c) a room heater (d) a rice cooker
  23. 23.🔍 Which is the odd one out? (a) a street light (b) a night lamp (c) a table fan (d) a tube light
  24. 24.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) sound (c) a magnet (d) friction
  25. 25.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) chemical energy (d) light energy
  26. 26.🔍 Which is the odd one out? (a) a torch (b) a traffic signal (c) a night lamp (d) a water heater
  27. 27.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.⚡ What does an electric iron mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  29. 29.🔍 Which is the odd one out? (a) a loudspeaker (b) a doorbell (c) a buzzer (d) an LED lamp
  30. 30.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.True or false: a school bell mainly gives out heat. (a) False (b) True
  32. 32.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  33. 33.⚡ What does a water heater mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  34. 34.Which of these mainly makes sound? (a) a street light (b) an electric drill (c) an exhaust fan (d) a siren
  35. 35.True or false: a school bell mainly makes sound. (a) False (b) True
  36. 36.Which of these gives us electricity? (a) a wind turbine (b) an air conditioner (c) a water pump (d) a television
  37. 37.Which of these mainly gives out light? (a) a traffic signal (b) a doorbell (c) a school bell (d) a ceiling fan
  38. 38.True or false: an LED lamp mainly makes sound. (a) True (b) False
  39. 39.True or false: a rice cooker mainly gives out light. (a) True (b) False
  40. 40.True or false: a water heater mainly gives out heat. (a) False (b) True

Answer key

  1. a torch
  2. a street light
  3. a bicycle dynamo
  4. False
  5. gives electricity
  6. uses electricity
  7. a power station
  8. True
  9. electrons
  10. a loudspeaker
  11. a tube light
  12. a loudspeaker
  13. gives electricity
  14. movement
  15. True
  16. False
  17. gives electricity
  18. movement energy
  19. a solar panel
  20. a table fan
  21. electrical energy
  22. an exhaust fan
  23. a table fan
  24. electric current
  25. light energy
  26. a water heater
  27. uses electricity
  28. heat
  29. an LED lamp
  30. uses electricity
  31. False
  32. movement
  33. heat
  34. a siren
  35. True
  36. a wind turbine
  37. a traffic signal
  38. False
  39. False
  40. True

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