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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 753 · 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 is the odd one out? (a) a night lamp (b) a torch (c) a street light (d) an electric drill
  2. 2.Which of these mainly makes sound? (a) a tube light (b) a loudspeaker (c) an electric drill (d) an LED lamp
  3. 3.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) light energy (d) chemical energy
  4. 4.Which of these mainly gives out light? (a) a street light (b) a siren (c) an exhaust fan (d) a water heater
  5. 5.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  6. 6.True or false: a table fan mainly makes movement. (a) True (b) False
  7. 7.Which of these mainly gives out light? (a) a mixer grinder (b) a doorbell (c) a loudspeaker (d) an LED lamp
  8. 8.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  12. 12.Which of these mainly gives out heat? (a) a traffic signal (b) a night lamp (c) an LED lamp (d) a rice cooker
  13. 13.Which of these gives us electricity? (a) a refrigerator (b) a washing machine (c) a computer (d) a bicycle dynamo
  14. 14.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric iron (c) a room heater (d) a rice cooker
  15. 15.True or false: a water heater mainly gives out heat. (a) True (b) False
  16. 16.True or false: a siren mainly makes sound. (a) True (b) False
  17. 17.Which of these gives us electricity? (a) a computer (b) a wind turbine (c) a mobile phone (d) a water pump
  18. 18.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) electric current (d) a magnet
  19. 19.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) electrons (d) photons
  20. 20.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) wind energy (d) sound energy
  21. 21.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) light energy (c) chemical energy (d) sound energy
  22. 22.True or false: a doorbell mainly makes sound. (a) True (b) False
  23. 23.⚡ What does a table fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  24. 24.Which of these uses electricity? (a) a wind turbine (b) a battery (c) a bicycle dynamo (d) an air conditioner
  25. 25.True or false: a torch mainly gives out light. (a) False (b) True
  26. 26.Which of these mainly makes movement? (a) a night lamp (b) an electric drill (c) a siren (d) a tube light
  27. 27.Which of these mainly gives out light? (a) a room heater (b) a mixer grinder (c) a tube light (d) an electric iron
  28. 28.🔍 Which is the odd one out? (a) an electric iron (b) an electric kettle (c) a rice cooker (d) a night lamp
  29. 29.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) a solar panel (d) a computer
  30. 30.True or false: a loudspeaker mainly gives out heat. (a) True (b) False
  31. 31.True or false: a rice cooker mainly gives out light. (a) False (b) True
  32. 32.True or false: a night lamp mainly makes movement. (a) True (b) False
  33. 33.True or false: an electric kettle mainly gives out heat. (a) True (b) False
  34. 34.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  35. 35.🔍 Which is the odd one out? (a) a mixer grinder (b) a torch (c) a traffic signal (d) a night lamp
  36. 36.Which of these mainly makes movement? (a) a buzzer (b) a traffic signal (c) a ceiling fan (d) a water heater
  37. 37.Which of these gives us electricity? (a) a battery (b) a refrigerator (c) a mobile phone (d) a computer
  38. 38.Which of these mainly gives out heat? (a) a buzzer (b) an LED lamp (c) a ceiling fan (d) a water heater
  39. 39.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) heat (c) light (d) sound

Answer key

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

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