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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 356 · 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 mixer grinder mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  2. 2.Which of these uses electricity? (a) a washing machine (b) a solar panel (c) a bicycle dynamo (d) a generator
  3. 3.🔍 Which is the odd one out? (a) a night lamp (b) an exhaust fan (c) a street light (d) an LED lamp
  4. 4.True or false: a buzzer mainly makes movement. (a) False (b) True
  5. 5.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.⚡ What does a tube light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  7. 7.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) electric current (d) sound
  8. 8.⚡ What does a buzzer mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  9. 9.🔍 Which is the odd one out? (a) a ceiling fan (b) a mixer grinder (c) an exhaust fan (d) a school bell
  10. 10.🔍 Which is the odd one out? (a) a ceiling fan (b) an exhaust fan (c) a siren (d) a mixer grinder
  11. 11.Which of these gives us electricity? (a) a mobile phone (b) a generator (c) a television (d) a washing machine
  12. 12.🔍 Which is the odd one out? (a) a toaster (b) a water heater (c) a buzzer (d) an electric iron
  13. 13.True or false: an LED lamp mainly makes movement. (a) True (b) False
  14. 14.Which of these gives us electricity? (a) a refrigerator (b) a water pump (c) a television (d) a battery
  15. 15.Which of these mainly gives out light? (a) a siren (b) an exhaust fan (c) a street light (d) a buzzer
  16. 16.Which of these mainly gives out light? (a) an LED lamp (b) a toaster (c) a loudspeaker (d) a table fan
  17. 17.Which of these mainly makes sound? (a) a siren (b) a traffic signal (c) a night lamp (d) a toaster
  18. 18.Which of these mainly makes sound? (a) an electric kettle (b) a tube light (c) an electric toy car (d) a loudspeaker
  19. 19.True or false: an electric drill mainly gives out light. (a) False (b) True
  20. 20.🔍 Which is the odd one out? (a) a doorbell (b) a loudspeaker (c) a school bell (d) an LED lamp
  21. 21.⚡ What does a table fan mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  22. 22.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  24. 24.Which of these uses electricity? (a) a bicycle dynamo (b) a cell (c) a mobile phone (d) a wind turbine
  25. 25.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  26. 26.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  27. 27.⚡ What does a street light mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  28. 28.⚡ What does an LED lamp mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  29. 29.🔍 Which is the odd one out? (a) an electric iron (b) a doorbell (c) a rice cooker (d) an electric kettle
  30. 30.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.⚡ What does an electric iron mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  32. 32.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric kettle (c) a room heater (d) an electric iron
  33. 33.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) a night lamp (d) an electric kettle
  34. 34.True or false: a rice cooker mainly gives out light. (a) False (b) True
  35. 35.True or false: a mixer grinder mainly makes sound. (a) False (b) True
  36. 36.Which of these mainly gives out light? (a) a rice cooker (b) a night lamp (c) a room heater (d) a siren
  37. 37.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  38. 38.Which of these uses electricity? (a) a battery (b) a generator (c) a television (d) a solar panel
  39. 39.True or false: a night lamp mainly gives out light. (a) True (b) False
  40. 40.Which of these uses electricity? (a) a computer (b) a wind turbine (c) a bicycle dynamo (d) a power station

Answer key

  1. movement
  2. a washing machine
  3. an exhaust fan
  4. False
  5. gives electricity
  6. light
  7. electric current
  8. sound
  9. a school bell
  10. a siren
  11. a generator
  12. a buzzer
  13. False
  14. a battery
  15. a street light
  16. an LED lamp
  17. a siren
  18. a loudspeaker
  19. False
  20. an LED lamp
  21. movement
  22. uses electricity
  23. movement energy
  24. a mobile phone
  25. heat
  26. electrons
  27. light
  28. light
  29. a doorbell
  30. uses electricity
  31. heat
  32. a mixer grinder
  33. an electric kettle
  34. False
  35. False
  36. a night lamp
  37. heat
  38. a television
  39. True
  40. a computer

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