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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 70 · 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 tube light (b) a school bell (c) a street light (d) a mixer grinder
  2. 2.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.Which of these mainly gives out light? (a) a street light (b) an electric drill (c) a rice cooker (d) a siren
  4. 4.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) sound energy (d) electrical energy
  5. 5.True or false: a school bell mainly makes sound. (a) True (b) False
  6. 6.Which of these mainly gives out light? (a) a tube light (b) a table fan (c) an electric kettle (d) a rice cooker
  7. 7.Which of these uses electricity? (a) a water pump (b) a cell (c) a solar panel (d) a battery
  8. 8.⚡ What does a school bell mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  9. 9.⚡ What does a torch mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  10. 10.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.🔍 Which is the odd one out? (a) a ceiling fan (b) a mixer grinder (c) a loudspeaker (d) an electric drill
  12. 12.Which of these gives us electricity? (a) a water pump (b) a battery (c) an air conditioner (d) a mobile phone
  13. 13.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) electrons (d) water drops
  14. 14.🔍 Which is the odd one out? (a) a school bell (b) a ceiling fan (c) a siren (d) a doorbell
  15. 15.⚡ What does a water heater mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  16. 16.Which of these uses electricity? (a) a solar panel (b) a wind turbine (c) a cell (d) an air conditioner
  17. 17.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric kettle (c) a table fan (d) an electric drill
  18. 18.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) wind energy
  19. 19.🔍 Which is the odd one out? (a) a table fan (b) an exhaust fan (c) a rice cooker (d) a mixer grinder
  20. 20.Which of these gives us electricity? (a) a mobile phone (b) a water pump (c) a computer (d) a solar panel
  21. 21.🔍 Which is the odd one out? (a) a siren (b) a loudspeaker (c) a doorbell (d) a table fan
  22. 22.⚡ What does a doorbell mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  23. 23.Which of these mainly gives out light? (a) a doorbell (b) a night lamp (c) a table fan (d) an electric drill
  24. 24.⚡ What does a street light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  25. 25.Which of these mainly gives out light? (a) an LED lamp (b) a doorbell (c) an electric drill (d) a water heater
  26. 26.Which of these mainly makes sound? (a) a mixer grinder (b) a street light (c) a doorbell (d) a night lamp
  27. 27.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  28. 28.Which of these mainly makes sound? (a) an electric drill (b) a night lamp (c) an exhaust fan (d) a buzzer
  29. 29.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  30. 30.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  31. 31.True or false: an exhaust fan mainly makes movement. (a) False (b) True
  32. 32.🔍 Which is the odd one out? (a) a loudspeaker (b) a tube light (c) a siren (d) a school bell
  33. 33.True or false: a torch mainly makes movement. (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a doorbell (d) a torch
  35. 35.⚡ What does a tube light mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  36. 36.⚡ What does a traffic signal mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  37. 37.⚡ What does a buzzer mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  38. 38.🔍 Which is the odd one out? (a) a buzzer (b) an electric toy car (c) an exhaust fan (d) an electric drill
  39. 39.Which of these uses electricity? (a) a cell (b) a generator (c) a battery (d) a washing machine
  40. 40.Which of these mainly gives out heat? (a) a torch (b) an electric kettle (c) a tube light (d) a loudspeaker

Answer key

  1. a school bell
  2. uses electricity
  3. a street light
  4. electrical energy
  5. True
  6. a tube light
  7. a water pump
  8. sound
  9. light
  10. gives electricity
  11. a loudspeaker
  12. a battery
  13. electrons
  14. a ceiling fan
  15. heat
  16. an air conditioner
  17. an electric kettle
  18. light energy
  19. a rice cooker
  20. a solar panel
  21. a table fan
  22. sound
  23. a night lamp
  24. light
  25. an LED lamp
  26. a doorbell
  27. movement
  28. a buzzer
  29. light
  30. light
  31. True
  32. a tube light
  33. False
  34. a torch
  35. light
  36. light
  37. sound
  38. a buzzer
  39. a washing machine
  40. an electric kettle

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