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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. False
  2. an electric toy car
  3. True
  4. a computer
  5. False
  6. False
  7. a loudspeaker
  8. movement energy
  9. a tube light
  10. electric current
  11. False
  12. electrons
  13. False
  14. False
  15. a bicycle dynamo
  16. electrical energy
  17. an electric toy car
  18. False
  19. a street light
  20. a school bell
  21. movement energy
  22. light
  23. True
  24. False
  25. an electric drill
  26. sound
  27. gives electricity
  28. True
  29. movement
  30. a water pump
  31. movement
  32. gives electricity
  33. a buzzer
  34. movement
  35. a wind turbine
  36. a loudspeaker
  37. a power station
  38. uses electricity
  39. uses electricity
  40. uses electricity

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