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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 514 · 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.⚡ What does a torch mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  2. 2.Which of these mainly makes sound? (a) an exhaust fan (b) a doorbell (c) an electric kettle (d) a traffic signal
  3. 3.⚡ What does a room heater mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  4. 4.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) chemical energy (d) sound energy
  5. 5.Which of these mainly gives out light? (a) a room heater (b) a traffic signal (c) a loudspeaker (d) an exhaust fan
  6. 6.🔍 Which is the odd one out? (a) a toaster (b) a siren (c) a water heater (d) a room heater
  7. 7.🔍 Which is the odd one out? (a) a water heater (b) a room heater (c) an electric drill (d) a rice cooker
  8. 8.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  10. 10.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) nuclear energy (d) electrical energy
  11. 11.⚡ What does a ceiling fan mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  12. 12.Which of these gives us electricity? (a) a battery (b) a television (c) an air conditioner (d) a computer
  13. 13.Which of these mainly gives out heat? (a) an LED lamp (b) a mixer grinder (c) a water heater (d) a torch
  14. 14.⚡ What does an electric drill mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  15. 15.True or false: a torch mainly makes sound. (a) True (b) False
  16. 16.⚡ What does a tube light mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  17. 17.🔍 Which is the odd one out? (a) a siren (b) a mixer grinder (c) a buzzer (d) a school bell
  18. 18.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.Which of these uses electricity? (a) a solar panel (b) a wind turbine (c) a bicycle dynamo (d) an air conditioner
  20. 20.True or false: a water heater mainly gives out light. (a) False (b) True
  21. 21.True or false: an electric iron mainly gives out heat. (a) False (b) True
  22. 22.Which of these gives us electricity? (a) a mobile phone (b) a television (c) a solar panel (d) a refrigerator
  23. 23.🔍 Which is the odd one out? (a) a toaster (b) a room heater (c) a street light (d) an electric kettle
  24. 24.Which of these mainly gives out heat? (a) a buzzer (b) an electric drill (c) an electric kettle (d) a school bell
  25. 25.⚡ What does a street light mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  26. 26.Which of these mainly makes movement? (a) a night lamp (b) a buzzer (c) a ceiling fan (d) a room heater
  27. 27.Which of these mainly makes sound? (a) a toaster (b) an electric toy car (c) a siren (d) a table fan
  28. 28.Which of these mainly gives out light? (a) a ceiling fan (b) a buzzer (c) an electric kettle (d) a night lamp
  29. 29.True or false: a loudspeaker mainly gives out light. (a) False (b) True
  30. 30.True or false: a night lamp mainly gives out light. (a) False (b) True
  31. 31.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) a loudspeaker (d) a table fan
  32. 32.⚡ What does a water heater mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  33. 33.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  34. 34.True or false: an electric kettle mainly makes movement. (a) False (b) True
  35. 35.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.Which of these gives us electricity? (a) a computer (b) a television (c) a washing machine (d) a wind turbine
  37. 37.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  38. 38.True or false: a traffic signal mainly gives out heat. (a) True (b) False
  39. 39.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  40. 40.🔍 Which is the odd one out? (a) an electric toy car (b) a ceiling fan (c) an electric kettle (d) a mixer grinder

Answer key

  1. light
  2. a doorbell
  3. heat
  4. light energy
  5. a traffic signal
  6. a siren
  7. an electric drill
  8. uses electricity
  9. electrons
  10. electrical energy
  11. movement
  12. a battery
  13. a water heater
  14. movement
  15. False
  16. light
  17. a mixer grinder
  18. gives electricity
  19. an air conditioner
  20. False
  21. True
  22. a solar panel
  23. a street light
  24. an electric kettle
  25. light
  26. a ceiling fan
  27. a siren
  28. a night lamp
  29. False
  30. True
  31. a table fan
  32. heat
  33. uses electricity
  34. False
  35. uses electricity
  36. a wind turbine
  37. gives electricity
  38. False
  39. light
  40. an electric kettle

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