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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 50 · 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 tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  2. 2.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) movement energy
  4. 4.Which of these gives us electricity? (a) a mobile phone (b) a television (c) a solar panel (d) a washing machine
  5. 5.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) a water pump (d) a cell
  6. 6.⚡ What does a night lamp mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  7. 7.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.⚡ What does a doorbell mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  9. 9.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric toy car (c) an electric iron (d) an electric drill
  10. 10.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) chemical energy (c) light energy (d) sound energy
  11. 11.Which of these mainly gives out heat? (a) an electric toy car (b) a loudspeaker (c) a school bell (d) a rice cooker
  12. 12.Which of these mainly gives out light? (a) a toaster (b) an electric iron (c) a street light (d) a water heater
  13. 13.True or false: an electric toy car mainly makes movement. (a) False (b) True
  14. 14.Which of these uses electricity? (a) a generator (b) a mobile phone (c) a cell (d) a power station
  15. 15.True or false: a doorbell mainly gives out heat. (a) True (b) False
  16. 16.⚡ What does a torch mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  17. 17.⚡ What does a buzzer mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  18. 18.Which of these gives us electricity? (a) a water pump (b) a battery (c) a refrigerator (d) a washing machine
  19. 19.⚡ What does a street light mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  20. 20.🔍 Which is the odd one out? (a) a loudspeaker (b) a siren (c) a water heater (d) a school bell
  21. 21.Which of these mainly gives out light? (a) an electric drill (b) a ceiling fan (c) a traffic signal (d) a water heater
  22. 22.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  23. 23.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  24. 24.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.⚡ What does a siren mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  26. 26.Which of these mainly gives out heat? (a) a night lamp (b) a water heater (c) an LED lamp (d) an electric drill
  27. 27.Which of these mainly makes sound? (a) a doorbell (b) a tube light (c) an exhaust fan (d) a rice cooker
  28. 28.Which of these uses electricity? (a) a wind turbine (b) a bicycle dynamo (c) a battery (d) a computer
  29. 29.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.True or false: a loudspeaker mainly makes movement. (a) False (b) True
  31. 31.True or false: a traffic signal mainly gives out light. (a) False (b) True
  32. 32.Which of these mainly makes movement? (a) an electric kettle (b) a mixer grinder (c) a school bell (d) a buzzer
  33. 33.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) a magnet (d) electric current
  34. 34.🔍 Which is the odd one out? (a) a ceiling fan (b) a traffic signal (c) an exhaust fan (d) a mixer grinder
  35. 35.🔍 Which is the odd one out? (a) a street light (b) a toaster (c) a traffic signal (d) a torch
  36. 36.True or false: a buzzer mainly makes sound. (a) True (b) False
  37. 37.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  38. 38.🔍 Which is the odd one out? (a) an electric iron (b) a toaster (c) an LED lamp (d) a rice cooker
  39. 39.True or false: a torch mainly makes movement. (a) False (b) True
  40. 40.🔍 Which is the odd one out? (a) an LED lamp (b) a tube light (c) a traffic signal (d) a school bell

Answer key

  1. electrons
  2. gives electricity
  3. movement energy
  4. a solar panel
  5. a cell
  6. light
  7. gives electricity
  8. sound
  9. an electric iron
  10. light energy
  11. a rice cooker
  12. a street light
  13. True
  14. a mobile phone
  15. False
  16. light
  17. sound
  18. a battery
  19. light
  20. a water heater
  21. a traffic signal
  22. movement
  23. gives electricity
  24. uses electricity
  25. sound
  26. a water heater
  27. a doorbell
  28. a computer
  29. uses electricity
  30. False
  31. True
  32. a mixer grinder
  33. electric current
  34. a traffic signal
  35. a toaster
  36. True
  37. gives electricity
  38. an LED lamp
  39. False
  40. a school bell

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