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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 925 · 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 gives us electricity? (a) a refrigerator (b) a solar panel (c) an air conditioner (d) a mobile phone
  2. 2.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) dust particles (c) water drops (d) electrons
  3. 3.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.⚡ What does a table fan mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  5. 5.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  6. 6.Which of these mainly gives out light? (a) a school bell (b) a table fan (c) a room heater (d) an LED lamp
  7. 7.Which of these mainly gives out heat? (a) a toaster (b) a torch (c) a street light (d) a ceiling fan
  8. 8.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  9. 9.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.Which of these mainly makes movement? (a) a table fan (b) a tube light (c) an electric iron (d) a toaster
  11. 11.⚡ What does a siren mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  12. 12.Which of these gives us electricity? (a) a mobile phone (b) an air conditioner (c) a computer (d) a cell
  13. 13.Which of these mainly makes sound? (a) an electric drill (b) a school bell (c) a room heater (d) an electric iron
  14. 14.Which of these gives us electricity? (a) a washing machine (b) a wind turbine (c) an air conditioner (d) a computer
  15. 15.Which of these uses electricity? (a) a bicycle dynamo (b) a battery (c) a mobile phone (d) a solar panel
  16. 16.🔍 Which is the odd one out? (a) a table fan (b) a rice cooker (c) an electric iron (d) a water heater
  17. 17.🔍 Which is the odd one out? (a) a room heater (b) an electric kettle (c) an LED lamp (d) an electric iron
  18. 18.⚡ What does a room heater mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  19. 19.True or false: a siren mainly makes sound. (a) False (b) True
  20. 20.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.🔍 Which is the odd one out? (a) a torch (b) a street light (c) a traffic signal (d) an electric iron
  22. 22.Which of these mainly gives out heat? (a) an electric iron (b) a loudspeaker (c) a doorbell (d) a school bell
  23. 23.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.Which of these gives us electricity? (a) a battery (b) an air conditioner (c) a water pump (d) a television
  25. 25.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.True or false: a doorbell mainly gives out heat. (a) False (b) True
  27. 27.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) chemical energy (c) light energy (d) sound energy
  28. 28.Which of these mainly gives out heat? (a) a water heater (b) a siren (c) a buzzer (d) a table fan
  29. 29.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.🔍 Which is the odd one out? (a) a loudspeaker (b) a toaster (c) a room heater (d) an electric iron
  31. 31.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) an exhaust fan (b) a ceiling fan (c) an electric toy car (d) a water heater
  33. 33.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  35. 35.Which of these mainly gives out light? (a) a street light (b) a siren (c) an electric toy car (d) a table fan
  36. 36.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.🔍 Which is the odd one out? (a) an electric toy car (b) a doorbell (c) a ceiling fan (d) an electric drill
  38. 38.⚡ What does an electric toy car mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  39. 39.🔍 Which is the odd one out? (a) a mixer grinder (b) a school bell (c) a doorbell (d) a siren
  40. 40.🔍 Which is the odd one out? (a) a doorbell (b) a street light (c) a loudspeaker (d) a buzzer

Answer key

  1. a solar panel
  2. electrons
  3. uses electricity
  4. movement
  5. light
  6. an LED lamp
  7. a toaster
  8. movement
  9. gives electricity
  10. a table fan
  11. sound
  12. a cell
  13. a school bell
  14. a wind turbine
  15. a mobile phone
  16. a table fan
  17. an LED lamp
  18. heat
  19. True
  20. uses electricity
  21. an electric iron
  22. an electric iron
  23. gives electricity
  24. a battery
  25. uses electricity
  26. False
  27. light energy
  28. a water heater
  29. uses electricity
  30. a loudspeaker
  31. True
  32. a water heater
  33. uses electricity
  34. light
  35. a street light
  36. uses electricity
  37. a doorbell
  38. movement
  39. a mixer grinder
  40. a street light

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