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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 346 · 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 gives out light? (a) a mixer grinder (b) a night lamp (c) a rice cooker (d) a siren
  2. 2.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) an electric drill (d) an LED lamp
  5. 5.🔍 Which is the odd one out? (a) a loudspeaker (b) a school bell (c) a siren (d) a mixer grinder
  6. 6.True or false: a night lamp mainly gives out light. (a) True (b) False
  7. 7.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) sound (d) electric current
  8. 8.Which of these gives us electricity? (a) a refrigerator (b) a power station (c) a water pump (d) a television
  9. 9.True or false: a table fan mainly makes sound. (a) True (b) False
  10. 10.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.Which of these mainly gives out heat? (a) a loudspeaker (b) an exhaust fan (c) an electric iron (d) a night lamp
  12. 12.⚡ What does a school bell mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  13. 13.Which of these mainly makes sound? (a) a rice cooker (b) a loudspeaker (c) an exhaust fan (d) a mixer grinder
  14. 14.Which of these mainly makes movement? (a) a street light (b) a siren (c) a tube light (d) a ceiling fan
  15. 15.🔍 Which is the odd one out? (a) an electric drill (b) a ceiling fan (c) a night lamp (d) an exhaust fan
  16. 16.Which of these mainly makes movement? (a) a toaster (b) a night lamp (c) a siren (d) a mixer grinder
  17. 17.Which of these mainly gives out light? (a) a school bell (b) an electric iron (c) a tube light (d) an electric kettle
  18. 18.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.🔍 Which is the odd one out? (a) a doorbell (b) a school bell (c) a buzzer (d) an LED lamp
  20. 20.🔍 Which is the odd one out? (a) a buzzer (b) a school bell (c) an electric toy car (d) a loudspeaker
  21. 21.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.🔍 Which is the odd one out? (a) a torch (b) a night lamp (c) a ceiling fan (d) an LED lamp
  23. 23.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) movement energy (c) sound energy (d) chemical energy
  24. 24.Which of these gives us electricity? (a) a water pump (b) a washing machine (c) a cell (d) a television
  25. 25.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  26. 26.Which of these mainly gives out heat? (a) an electric drill (b) an exhaust fan (c) a street light (d) a toaster
  27. 27.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) electrical energy (d) sound energy
  28. 28.⚡ What does a water heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  29. 29.⚡ What does a table fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  30. 30.True or false: a buzzer mainly gives out heat. (a) False (b) True
  31. 31.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.🔍 Which is the odd one out? (a) a loudspeaker (b) a tube light (c) an LED lamp (d) a torch
  33. 33.True or false: a mixer grinder mainly makes sound. (a) False (b) True
  34. 34.True or false: a room heater mainly gives out heat. (a) True (b) False
  35. 35.True or false: a torch mainly makes movement. (a) True (b) False
  36. 36.Which of these mainly gives out heat? (a) a tube light (b) a water heater (c) a ceiling fan (d) a mixer grinder
  37. 37.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  38. 38.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  39. 39.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  40. 40.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) heat (c) light (d) sound

Answer key

  1. a night lamp
  2. gives electricity
  3. gives electricity
  4. an electric drill
  5. a mixer grinder
  6. True
  7. electric current
  8. a power station
  9. False
  10. uses electricity
  11. an electric iron
  12. sound
  13. a loudspeaker
  14. a ceiling fan
  15. a night lamp
  16. a mixer grinder
  17. a tube light
  18. gives electricity
  19. an LED lamp
  20. an electric toy car
  21. gives electricity
  22. a ceiling fan
  23. movement energy
  24. a cell
  25. sound
  26. a toaster
  27. electrical energy
  28. heat
  29. movement
  30. False
  31. gives electricity
  32. a loudspeaker
  33. False
  34. True
  35. False
  36. a water heater
  37. electrons
  38. movement
  39. heat
  40. light

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