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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 413 · 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 television (b) a battery (c) a computer (d) an air conditioner
  2. 2.Which of these mainly makes sound? (a) a buzzer (b) a street light (c) a room heater (d) an electric drill
  3. 3.Which of these mainly gives out light? (a) an electric iron (b) a room heater (c) a loudspeaker (d) an LED lamp
  4. 4.🔍 Which is the odd one out? (a) a toaster (b) a torch (c) an LED lamp (d) a tube light
  5. 5.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) nuclear energy (d) electrical energy
  6. 6.🔍 Which is the odd one out? (a) an electric kettle (b) a street light (c) a tube light (d) a night lamp
  7. 7.Which of these mainly gives out heat? (a) a school bell (b) a street light (c) an electric iron (d) a loudspeaker
  8. 8.Which of these mainly makes movement? (a) a street light (b) a rice cooker (c) a ceiling fan (d) a toaster
  9. 9.True or false: a tube light mainly gives out light. (a) True (b) False
  10. 10.True or false: a night lamp mainly gives out light. (a) False (b) True
  11. 11.Which of these uses electricity? (a) a solar panel (b) a cell (c) a water pump (d) a bicycle dynamo
  12. 12.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  13. 13.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.⚡ What does a table fan mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  15. 15.🔍 Which is the odd one out? (a) a tube light (b) an LED lamp (c) a table fan (d) a traffic signal
  16. 16.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) a mixer grinder (d) a tube light
  18. 18.True or false: a ceiling fan mainly makes movement. (a) True (b) False
  19. 19.True or false: a loudspeaker mainly gives out light. (a) True (b) False
  20. 20.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  21. 21.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.🔍 Which is the odd one out? (a) a siren (b) a table fan (c) a ceiling fan (d) an electric toy car
  23. 23.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) sound energy (d) chemical energy
  24. 24.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.Which of these mainly gives out light? (a) an exhaust fan (b) a room heater (c) a street light (d) a loudspeaker
  26. 26.True or false: a night lamp mainly makes sound. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) a rice cooker (d) a torch
  28. 28.⚡ What does a tube light mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  29. 29.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) movement energy (d) sound energy
  30. 30.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.Which of these mainly makes movement? (a) a buzzer (b) a table fan (c) an LED lamp (d) a loudspeaker
  32. 32.True or false: a mixer grinder mainly gives out heat. (a) True (b) False
  33. 33.Which of these mainly gives out light? (a) an electric kettle (b) an exhaust fan (c) a water heater (d) a torch
  34. 34.Which of these mainly gives out light? (a) an electric drill (b) a rice cooker (c) a night lamp (d) a room heater
  35. 35.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) friction (d) a magnet
  36. 36.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.True or false: an electric iron mainly makes movement. (a) True (b) False
  38. 38.Which of these uses electricity? (a) a computer (b) a power station (c) a wind turbine (d) a bicycle dynamo
  39. 39.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  40. 40.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) heat (d) light

Answer key

  1. a battery
  2. a buzzer
  3. an LED lamp
  4. a toaster
  5. electrical energy
  6. an electric kettle
  7. an electric iron
  8. a ceiling fan
  9. True
  10. True
  11. a water pump
  12. movement energy
  13. gives electricity
  14. movement
  15. a table fan
  16. gives electricity
  17. a mixer grinder
  18. True
  19. False
  20. electrons
  21. gives electricity
  22. a siren
  23. light energy
  24. uses electricity
  25. a street light
  26. False
  27. a rice cooker
  28. light
  29. movement energy
  30. gives electricity
  31. a table fan
  32. False
  33. a torch
  34. a night lamp
  35. electric current
  36. uses electricity
  37. False
  38. a computer
  39. movement
  40. heat

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