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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 287 · 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 is the odd one out? (a) a traffic signal (b) a tube light (c) a rice cooker (d) a torch
  2. 2.Which of these mainly makes sound? (a) a tube light (b) a school bell (c) an LED lamp (d) a night lamp
  3. 3.True or false: an electric kettle mainly makes movement. (a) False (b) True
  4. 4.True or false: a water heater mainly makes sound. (a) False (b) True
  5. 5.⚡ What does a siren mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  6. 6.Which of these mainly makes movement? (a) a school bell (b) a water heater (c) a room heater (d) a ceiling fan
  7. 7.🔍 Which is the odd one out? (a) a night lamp (b) a siren (c) a buzzer (d) a loudspeaker
  8. 8.Which of these mainly gives out light? (a) a loudspeaker (b) an electric toy car (c) a street light (d) a buzzer
  9. 9.Which of these gives us electricity? (a) a washing machine (b) a computer (c) an air conditioner (d) a generator
  10. 10.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  11. 11.🔍 Which is the odd one out? (a) a torch (b) a doorbell (c) a night lamp (d) a tube light
  12. 12.🔍 Which is the odd one out? (a) a loudspeaker (b) a traffic signal (c) a siren (d) a doorbell
  13. 13.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.True or false: a room heater mainly gives out heat. (a) True (b) False
  15. 15.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.Which of these mainly gives out heat? (a) a buzzer (b) a tube light (c) a water heater (d) an electric toy car
  17. 17.⚡ What does a table fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  18. 18.Which of these mainly gives out light? (a) a tube light (b) a loudspeaker (c) a siren (d) an exhaust fan
  19. 19.Which of these mainly makes movement? (a) an exhaust fan (b) an electric iron (c) a room heater (d) a night lamp
  20. 20.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  21. 21.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.True or false: an LED lamp mainly gives out light. (a) True (b) False
  23. 23.🔍 Which is the odd one out? (a) a ceiling fan (b) a mixer grinder (c) an electric drill (d) a loudspeaker
  24. 24.⚡ What does a room heater mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  25. 25.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  26. 26.⚡ What does an electric kettle mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  27. 27.⚡ What does a torch mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  28. 28.True or false: a toaster mainly gives out heat. (a) False (b) True
  29. 29.Which of these mainly gives out heat? (a) a night lamp (b) a siren (c) a toaster (d) an exhaust fan
  30. 30.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.True or false: a water heater mainly gives out light. (a) False (b) True
  32. 32.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.Which of these mainly gives out light? (a) a mixer grinder (b) an electric kettle (c) a night lamp (d) a loudspeaker
  34. 34.Which of these mainly gives out heat? (a) an exhaust fan (b) a buzzer (c) a rice cooker (d) a traffic signal
  35. 35.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  36. 36.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  37. 37.⚡ What does an exhaust fan mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  38. 38.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) electrons (d) water drops
  39. 39.Which of these uses electricity? (a) a solar panel (b) a wind turbine (c) a washing machine (d) a battery
  40. 40.Which of these uses electricity? (a) a solar panel (b) a refrigerator (c) a battery (d) a generator

Answer key

  1. a rice cooker
  2. a school bell
  3. False
  4. False
  5. sound
  6. a ceiling fan
  7. a night lamp
  8. a street light
  9. a generator
  10. movement energy
  11. a doorbell
  12. a traffic signal
  13. uses electricity
  14. True
  15. gives electricity
  16. a water heater
  17. movement
  18. a tube light
  19. an exhaust fan
  20. electric current
  21. uses electricity
  22. True
  23. a loudspeaker
  24. heat
  25. movement
  26. heat
  27. light
  28. True
  29. a toaster
  30. gives electricity
  31. False
  32. uses electricity
  33. a night lamp
  34. a rice cooker
  35. True
  36. False
  37. movement
  38. electrons
  39. a washing machine
  40. a refrigerator

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