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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 644 · 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 tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  2. 2.⚡ What does a street light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  3. 3.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  4. 4.Which of these gives us electricity? (a) a television (b) a cell (c) a computer (d) a refrigerator
  5. 5.🔍 Which is the odd one out? (a) a water heater (b) a buzzer (c) an electric iron (d) a rice cooker
  6. 6.Which of these uses electricity? (a) a power station (b) a battery (c) a refrigerator (d) a bicycle dynamo
  7. 7.⚡ What does an electric iron mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  8. 8.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) a magnet (d) sound
  10. 10.Which of these gives us electricity? (a) a television (b) a washing machine (c) an air conditioner (d) a generator
  11. 11.Which of these mainly gives out heat? (a) a room heater (b) a loudspeaker (c) a buzzer (d) an electric drill
  12. 12.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  13. 13.⚡ What does a room heater mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  14. 14.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  15. 15.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  16. 16.True or false: a loudspeaker mainly gives out light. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) a school bell (b) a toaster (c) a doorbell (d) a siren
  18. 18.Which of these mainly gives out heat? (a) a night lamp (b) an LED lamp (c) a toaster (d) a mixer grinder
  19. 19.Which of these uses electricity? (a) a bicycle dynamo (b) a water pump (c) a power station (d) a cell
  20. 20.⚡ What does a tube light mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  21. 21.Which of these uses electricity? (a) a power station (b) a generator (c) a solar panel (d) a mobile phone
  22. 22.🔍 Which is the odd one out? (a) an electric kettle (b) a rice cooker (c) a toaster (d) a torch
  23. 23.Which of these mainly gives out light? (a) a room heater (b) a doorbell (c) a traffic signal (d) an electric toy car
  24. 24.Which of these mainly gives out light? (a) an electric kettle (b) an LED lamp (c) an electric toy car (d) a table fan
  25. 25.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a television (d) a wind turbine
  27. 27.🔍 Which is the odd one out? (a) a table fan (b) a water heater (c) a ceiling fan (d) a mixer grinder
  28. 28.Which of these uses electricity? (a) a bicycle dynamo (b) a battery (c) a television (d) a cell
  29. 29.⚡ What does a school bell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  30. 30.⚡ What does a doorbell mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  31. 31.⚡ What does a water heater mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  32. 32.🔍 Which is the odd one out? (a) an electric toy car (b) a siren (c) a ceiling fan (d) a table fan
  33. 33.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.True or false: an electric kettle mainly makes sound. (a) True (b) False
  35. 35.Which of these mainly makes sound? (a) an exhaust fan (b) an electric kettle (c) an LED lamp (d) a buzzer
  36. 36.Which of these mainly gives out heat? (a) a loudspeaker (b) a torch (c) an electric iron (d) an LED lamp
  37. 37.Which of these mainly makes sound? (a) a table fan (b) an electric drill (c) a mixer grinder (d) a doorbell
  38. 38.Which of these mainly gives out light? (a) a night lamp (b) a rice cooker (c) an electric drill (d) a loudspeaker
  39. 39.Which of these mainly makes movement? (a) a room heater (b) a buzzer (c) a table fan (d) a water heater
  40. 40.True or false: a traffic signal mainly gives out light. (a) True (b) False

Answer key

  1. electrons
  2. light
  3. movement energy
  4. a cell
  5. a buzzer
  6. a refrigerator
  7. heat
  8. uses electricity
  9. electric current
  10. a generator
  11. a room heater
  12. movement
  13. heat
  14. True
  15. sound
  16. False
  17. a toaster
  18. a toaster
  19. a water pump
  20. light
  21. a mobile phone
  22. a torch
  23. a traffic signal
  24. an LED lamp
  25. uses electricity
  26. a wind turbine
  27. a water heater
  28. a television
  29. sound
  30. sound
  31. heat
  32. a siren
  33. uses electricity
  34. False
  35. a buzzer
  36. an electric iron
  37. a doorbell
  38. a night lamp
  39. a table fan
  40. True

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