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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 964 · 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.Which of these gives us electricity? (a) a television (b) a washing machine (c) a solar panel (d) a computer
  2. 2.⚡ What does a tube light mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  3. 3.🔍 Which is the odd one out? (a) a loudspeaker (b) a siren (c) a school bell (d) a street light
  4. 4.Which of these mainly gives out heat? (a) a rice cooker (b) a tube light (c) a traffic signal (d) a table fan
  5. 5.Which of these gives us electricity? (a) a washing machine (b) a generator (c) a refrigerator (d) a water pump
  6. 6.Which of these mainly makes sound? (a) a rice cooker (b) a buzzer (c) a water heater (d) an electric toy car
  7. 7.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  9. 9.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  10. 10.⚡ What does a room heater mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  11. 11.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) a magnet (c) friction (d) sound
  12. 12.Which of these uses electricity? (a) a power station (b) a generator (c) a cell (d) an air conditioner
  13. 13.True or false: a night lamp mainly makes movement. (a) False (b) True
  14. 14.True or false: a school bell mainly gives out light. (a) False (b) True
  15. 15.True or false: an electric toy car mainly makes sound. (a) False (b) True
  16. 16.True or false: a school bell mainly gives out heat. (a) True (b) False
  17. 17.Which of these mainly gives out heat? (a) a loudspeaker (b) a siren (c) a water heater (d) a ceiling fan
  18. 18.🔍 Which is the odd one out? (a) a night lamp (b) a ceiling fan (c) a street light (d) a traffic signal
  19. 19.Which of these mainly gives out light? (a) a table fan (b) a buzzer (c) a torch (d) an electric drill
  20. 20.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) a table fan (b) an electric drill (c) an exhaust fan (d) an LED lamp
  22. 22.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  23. 23.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) light energy (d) chemical energy
  24. 24.Which of these gives us electricity? (a) a bicycle dynamo (b) a mobile phone (c) a television (d) an air conditioner
  25. 25.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) photons (d) electrons
  26. 26.True or false: a tube light mainly gives out heat. (a) True (b) False
  27. 27.True or false: an LED lamp mainly gives out heat. (a) True (b) False
  28. 28.Which of these uses electricity? (a) a wind turbine (b) a bicycle dynamo (c) a mobile phone (d) a generator
  29. 29.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  30. 30.Which of these uses electricity? (a) a cell (b) a washing machine (c) a wind turbine (d) a power station
  31. 31.True or false: an LED lamp mainly makes sound. (a) True (b) False
  32. 32.Which of these uses electricity? (a) a generator (b) a battery (c) a television (d) a cell
  33. 33.Which of these mainly makes movement? (a) a rice cooker (b) an exhaust fan (c) a doorbell (d) a siren
  34. 34.Which of these mainly gives out heat? (a) a ceiling fan (b) a toaster (c) a tube light (d) a loudspeaker
  35. 35.True or false: a table fan mainly makes movement. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) a night lamp (d) an electric iron
  37. 37.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  38. 38.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  39. 39.🔍 Which is the odd one out? (a) a mixer grinder (b) a torch (c) an electric drill (d) a ceiling fan
  40. 40.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a table fan (d) a doorbell

Answer key

  1. a solar panel
  2. light
  3. a street light
  4. a rice cooker
  5. a generator
  6. a buzzer
  7. gives electricity
  8. light
  9. heat
  10. heat
  11. electric current
  12. an air conditioner
  13. False
  14. False
  15. False
  16. False
  17. a water heater
  18. a ceiling fan
  19. a torch
  20. True
  21. an LED lamp
  22. light
  23. light energy
  24. a bicycle dynamo
  25. electrons
  26. False
  27. False
  28. a mobile phone
  29. movement energy
  30. a washing machine
  31. False
  32. a television
  33. an exhaust fan
  34. a toaster
  35. True
  36. an electric iron
  37. sound
  38. movement energy
  39. a torch
  40. a table fan

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