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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 639 · 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 mainly makes sound? (a) a loudspeaker (b) an electric toy car (c) a street light (d) an exhaust fan
  2. 2.Which of these mainly gives out light? (a) a siren (b) a water heater (c) a tube light (d) a table fan
  3. 3.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a television (d) a generator
  4. 4.🔍 Which is the odd one out? (a) a siren (b) a traffic signal (c) a loudspeaker (d) a school bell
  5. 5.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) nuclear energy (d) sound energy
  6. 6.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) dust particles (c) water drops (d) electrons
  7. 7.True or false: a mixer grinder mainly makes sound. (a) True (b) False
  8. 8.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  9. 9.True or false: an exhaust fan mainly makes sound. (a) False (b) True
  10. 10.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.Which of these mainly gives out light? (a) a loudspeaker (b) a doorbell (c) an LED lamp (d) an electric kettle
  12. 12.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  13. 13.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  14. 14.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.Which of these uses electricity? (a) a wind turbine (b) a cell (c) a solar panel (d) a television
  16. 16.🔍 Which is the odd one out? (a) a buzzer (b) an LED lamp (c) a loudspeaker (d) a siren
  17. 17.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  19. 19.Which of these mainly makes movement? (a) a tube light (b) a torch (c) a rice cooker (d) an exhaust fan
  20. 20.True or false: an electric iron mainly makes sound. (a) True (b) False
  21. 21.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) movement energy (c) sound energy (d) light energy
  22. 22.True or false: a mixer grinder mainly gives out light. (a) True (b) False
  23. 23.⚡ What does a street light mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  24. 24.⚡ What does a school bell mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  25. 25.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) a magnet (d) sound
  26. 26.True or false: an electric iron mainly gives out light. (a) False (b) True
  27. 27.True or false: a night lamp mainly gives out light. (a) False (b) True
  28. 28.⚡ What does a siren mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  29. 29.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  30. 30.Which of these uses electricity? (a) a refrigerator (b) a battery (c) a cell (d) a wind turbine
  31. 31.Which of these gives us electricity? (a) a washing machine (b) a wind turbine (c) a computer (d) a water pump
  32. 32.Which of these mainly makes movement? (a) a buzzer (b) a mixer grinder (c) a doorbell (d) a traffic signal
  33. 33.🔍 Which is the odd one out? (a) a loudspeaker (b) a table fan (c) a buzzer (d) a school bell
  34. 34.🔍 Which is the odd one out? (a) a buzzer (b) an LED lamp (c) a torch (d) a traffic signal
  35. 35.Which of these gives us electricity? (a) a computer (b) a refrigerator (c) a cell (d) a mobile phone
  36. 36.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.Which of these uses electricity? (a) a generator (b) a solar panel (c) a battery (d) a mobile phone
  38. 38.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  39. 39.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  40. 40.True or false: an electric drill mainly makes sound. (a) False (b) True

Answer key

  1. a loudspeaker
  2. a tube light
  3. a generator
  4. a traffic signal
  5. electrical energy
  6. electrons
  7. False
  8. light
  9. False
  10. uses electricity
  11. an LED lamp
  12. gives electricity
  13. light
  14. gives electricity
  15. a television
  16. an LED lamp
  17. uses electricity
  18. sound
  19. an exhaust fan
  20. False
  21. movement energy
  22. False
  23. light
  24. sound
  25. electric current
  26. False
  27. True
  28. sound
  29. movement
  30. a refrigerator
  31. a wind turbine
  32. a mixer grinder
  33. a table fan
  34. a buzzer
  35. a cell
  36. uses electricity
  37. a mobile phone
  38. gives electricity
  39. movement
  40. False

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