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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 749 · 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.True or false: a table fan mainly gives out heat. (a) True (b) False
  2. 2.True or false: a ceiling fan mainly gives out light. (a) True (b) False
  3. 3.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) dust particles (d) photons
  5. 5.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  6. 6.🔍 Which is the odd one out? (a) an exhaust fan (b) a table fan (c) an electric drill (d) a loudspeaker
  7. 7.Which of these gives us electricity? (a) an air conditioner (b) a television (c) a mobile phone (d) a generator
  8. 8.Which of these gives us electricity? (a) a cell (b) a computer (c) a washing machine (d) a refrigerator
  9. 9.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) wind energy (d) sound energy
  10. 10.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  11. 11.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) wind energy
  12. 12.🔍 Which is the odd one out? (a) a ceiling fan (b) a table fan (c) an electric kettle (d) an exhaust fan
  13. 13.🔍 Which is the odd one out? (a) a room heater (b) an LED lamp (c) a street light (d) a night lamp
  14. 14.Which of these mainly makes movement? (a) a water heater (b) an LED lamp (c) a ceiling fan (d) a night lamp
  15. 15.Which of these gives us electricity? (a) a computer (b) a television (c) a wind turbine (d) a mobile phone
  16. 16.🔍 Which is the odd one out? (a) a loudspeaker (b) an electric toy car (c) a doorbell (d) a buzzer
  17. 17.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.⚡ What does a torch mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  19. 19.Which of these mainly gives out light? (a) an LED lamp (b) a loudspeaker (c) an electric iron (d) a ceiling fan
  20. 20.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) a school bell (d) a table fan
  21. 21.True or false: a tube light mainly gives out light. (a) True (b) False
  22. 22.Which of these mainly gives out light? (a) a night lamp (b) an electric iron (c) a water heater (d) a ceiling fan
  23. 23.⚡ What does a siren mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  24. 24.🔍 Which is the odd one out? (a) a mixer grinder (b) a tube light (c) a ceiling fan (d) an electric toy car
  25. 25.Which of these mainly makes movement? (a) a doorbell (b) a tube light (c) a water heater (d) an exhaust fan
  26. 26.Which of these gives us electricity? (a) a solar panel (b) a computer (c) a water pump (d) a washing machine
  27. 27.Which of these mainly makes sound? (a) a street light (b) a torch (c) a siren (d) a rice cooker
  28. 28.Which of these uses electricity? (a) a cell (b) a power station (c) a generator (d) a water pump
  29. 29.True or false: a room heater mainly gives out heat. (a) True (b) False
  30. 30.🔍 Which is the odd one out? (a) a rice cooker (b) an exhaust fan (c) a table fan (d) an electric toy car
  31. 31.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  32. 32.Which of these mainly gives out light? (a) a rice cooker (b) a tube light (c) a mixer grinder (d) a loudspeaker
  33. 33.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.Which of these mainly makes sound? (a) a toaster (b) a table fan (c) a traffic signal (d) a school bell
  35. 35.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.True or false: an electric iron mainly gives out light. (a) False (b) True
  37. 37.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  38. 38.🔍 Which is the odd one out? (a) a rice cooker (b) an electric iron (c) a room heater (d) a night lamp
  39. 39.True or false: a tube light mainly gives out heat. (a) False (b) True
  40. 40.True or false: a rice cooker mainly gives out heat. (a) False (b) True

Answer key

  1. False
  2. False
  3. gives electricity
  4. electrons
  5. movement energy
  6. a loudspeaker
  7. a generator
  8. a cell
  9. electrical energy
  10. heat
  11. light energy
  12. an electric kettle
  13. a room heater
  14. a ceiling fan
  15. a wind turbine
  16. an electric toy car
  17. gives electricity
  18. light
  19. an LED lamp
  20. a table fan
  21. True
  22. a night lamp
  23. sound
  24. a tube light
  25. an exhaust fan
  26. a solar panel
  27. a siren
  28. a water pump
  29. True
  30. a rice cooker
  31. gives electricity
  32. a tube light
  33. gives electricity
  34. a school bell
  35. uses electricity
  36. False
  37. electric current
  38. a night lamp
  39. False
  40. True

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