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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 854 · 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.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) sound (c) friction (d) a magnet
  2. 2.True or false: a tube light mainly gives out light. (a) False (b) True
  3. 3.Which of these mainly makes sound? (a) an electric toy car (b) an electric drill (c) a siren (d) a torch
  4. 4.True or false: a buzzer mainly makes sound. (a) True (b) False
  5. 5.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) chemical energy (c) sound energy (d) light energy
  6. 6.⚡ What does a street light mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  7. 7.🔍 Which is the odd one out? (a) a ceiling fan (b) a traffic signal (c) a mixer grinder (d) an electric drill
  8. 8.⚡ What does an LED lamp mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  9. 9.True or false: a siren mainly gives out light. (a) False (b) True
  10. 10.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) movement energy (c) sound energy (d) light energy
  11. 11.Which of these gives us electricity? (a) a washing machine (b) a water pump (c) a generator (d) a television
  12. 12.⚡ What does a room heater mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  13. 13.Which of these gives us electricity? (a) a refrigerator (b) a solar panel (c) a computer (d) a mobile phone
  14. 14.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.🔍 Which is the odd one out? (a) a street light (b) an electric drill (c) a table fan (d) an exhaust fan
  16. 16.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) nuclear energy (d) wind energy
  17. 17.Which of these uses electricity? (a) a bicycle dynamo (b) a solar panel (c) a power station (d) a washing machine
  18. 18.True or false: an electric iron mainly gives out heat. (a) False (b) True
  19. 19.Which of these mainly gives out light? (a) a mixer grinder (b) a toaster (c) an electric drill (d) a night lamp
  20. 20.Which of these mainly gives out light? (a) a torch (b) a ceiling fan (c) an exhaust fan (d) a water heater
  21. 21.Which of these mainly gives out heat? (a) an electric kettle (b) a mixer grinder (c) a street light (d) a loudspeaker
  22. 22.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  23. 23.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.🔍 Which is the odd one out? (a) a toaster (b) a water heater (c) a rice cooker (d) a torch
  25. 25.⚡ What does a night lamp mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  26. 26.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) photons (d) electrons
  27. 27.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.Which of these gives us electricity? (a) a power station (b) a water pump (c) an air conditioner (d) a refrigerator
  29. 29.Which of these mainly makes sound? (a) a doorbell (b) a tube light (c) an LED lamp (d) an electric kettle
  30. 30.Which of these mainly gives out heat? (a) an exhaust fan (b) a water heater (c) a doorbell (d) a mixer grinder
  31. 31.True or false: an electric iron mainly makes movement. (a) True (b) False
  32. 32.True or false: an LED lamp mainly gives out light. (a) True (b) False
  33. 33.True or false: a buzzer mainly gives out light. (a) False (b) True
  34. 34.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  35. 35.True or false: a mixer grinder mainly makes sound. (a) True (b) False
  36. 36.Which of these mainly makes movement? (a) a siren (b) a torch (c) an electric toy car (d) a water heater
  37. 37.True or false: a street light mainly makes sound. (a) False (b) True
  38. 38.True or false: a doorbell mainly makes sound. (a) False (b) True
  39. 39.🔍 Which is the odd one out? (a) a school bell (b) a loudspeaker (c) a table fan (d) a siren
  40. 40.Which of these gives us electricity? (a) a computer (b) a mobile phone (c) a battery (d) a washing machine

Answer key

  1. electric current
  2. True
  3. a siren
  4. True
  5. light energy
  6. light
  7. a traffic signal
  8. light
  9. False
  10. movement energy
  11. a generator
  12. heat
  13. a solar panel
  14. gives electricity
  15. a street light
  16. electrical energy
  17. a washing machine
  18. True
  19. a night lamp
  20. a torch
  21. an electric kettle
  22. movement
  23. gives electricity
  24. a torch
  25. light
  26. electrons
  27. gives electricity
  28. a power station
  29. a doorbell
  30. a water heater
  31. False
  32. True
  33. False
  34. gives electricity
  35. False
  36. an electric toy car
  37. False
  38. True
  39. a table fan
  40. a battery

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