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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 403 · 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 movement? (a) a rice cooker (b) a ceiling fan (c) a doorbell (d) a school bell
  2. 2.Which of these mainly makes movement? (a) a mixer grinder (b) an electric iron (c) a doorbell (d) a buzzer
  3. 3.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  4. 4.True or false: a rice cooker mainly makes movement. (a) False (b) True
  5. 5.⚡ What does a school bell mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  6. 6.True or false: a room heater mainly gives out heat. (a) False (b) True
  7. 7.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.True or false: an electric kettle mainly gives out heat. (a) True (b) False
  10. 10.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) light energy (d) chemical energy
  11. 11.🔍 Which is the odd one out? (a) an electric kettle (b) a torch (c) a traffic signal (d) a street light
  12. 12.True or false: an electric drill mainly makes sound. (a) True (b) False
  13. 13.🔍 Which is the odd one out? (a) a toaster (b) a rice cooker (c) a tube light (d) an electric iron
  14. 14.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  16. 16.Which of these gives us electricity? (a) a washing machine (b) a television (c) a solar panel (d) a computer
  17. 17.True or false: a table fan mainly gives out light. (a) True (b) False
  18. 18.Which of these mainly gives out light? (a) a tube light (b) a loudspeaker (c) a water heater (d) a toaster
  19. 19.Which of these gives us electricity? (a) a television (b) a bicycle dynamo (c) a computer (d) a mobile phone
  20. 20.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.True or false: a school bell mainly makes movement. (a) True (b) False
  22. 22.True or false: an exhaust fan mainly makes movement. (a) False (b) True
  23. 23.Which of these uses electricity? (a) a power station (b) a battery (c) a bicycle dynamo (d) a computer
  24. 24.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  25. 25.Which of these gives us electricity? (a) a refrigerator (b) a water pump (c) a washing machine (d) a power station
  26. 26.Which of these mainly gives out heat? (a) a siren (b) a mixer grinder (c) a tube light (d) a room heater
  27. 27.Which of these mainly gives out light? (a) a night lamp (b) a siren (c) an exhaust fan (d) an electric iron
  28. 28.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric toy car (c) an electric iron (d) a mixer grinder
  29. 29.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) dust particles (d) electrons
  30. 30.🔍 Which is the odd one out? (a) a tube light (b) a toaster (c) a torch (d) a street light
  31. 31.Which of these uses electricity? (a) a generator (b) a battery (c) a power station (d) a refrigerator
  32. 32.Which of these mainly makes sound? (a) an electric iron (b) a doorbell (c) an LED lamp (d) an exhaust fan
  33. 33.True or false: a water heater mainly gives out light. (a) False (b) True
  34. 34.Which of these mainly makes sound? (a) a buzzer (b) an electric drill (c) an exhaust fan (d) a tube light
  35. 35.Which of these mainly gives out heat? (a) a school bell (b) a siren (c) a table fan (d) an electric iron
  36. 36.True or false: a torch mainly gives out heat. (a) True (b) False
  37. 37.⚡ What does a torch mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  38. 38.Which of these mainly gives out heat? (a) an exhaust fan (b) a ceiling fan (c) an electric toy car (d) a rice cooker
  39. 39.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  40. 40.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

  1. a ceiling fan
  2. a mixer grinder
  3. True
  4. False
  5. sound
  6. True
  7. uses electricity
  8. gives electricity
  9. True
  10. light energy
  11. an electric kettle
  12. False
  13. a tube light
  14. uses electricity
  15. movement
  16. a solar panel
  17. False
  18. a tube light
  19. a bicycle dynamo
  20. gives electricity
  21. False
  22. True
  23. a computer
  24. movement energy
  25. a power station
  26. a room heater
  27. a night lamp
  28. an electric iron
  29. electrons
  30. a toaster
  31. a refrigerator
  32. a doorbell
  33. False
  34. a buzzer
  35. an electric iron
  36. False
  37. light
  38. a rice cooker
  39. electric current
  40. gives electricity

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