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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 552 · 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 heat? (a) a loudspeaker (b) a doorbell (c) a ceiling fan (d) a water heater
  2. 2.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.Which of these mainly gives out heat? (a) a mixer grinder (b) an electric drill (c) an LED lamp (d) an electric kettle
  4. 4.Which of these mainly makes sound? (a) a table fan (b) an electric toy car (c) an electric iron (d) a school bell
  5. 5.True or false: a street light mainly gives out light. (a) True (b) False
  6. 6.🔍 Which is the odd one out? (a) a toaster (b) a water heater (c) an LED lamp (d) a room heater
  7. 7.Which of these mainly gives out light? (a) a school bell (b) a buzzer (c) a loudspeaker (d) a torch
  8. 8.⚡ What does a street light mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  9. 9.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  10. 10.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  11. 11.True or false: a torch mainly gives out light. (a) True (b) False
  12. 12.⚡ What does a school bell mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  13. 13.Which of these mainly gives out heat? (a) a torch (b) an electric iron (c) an exhaust fan (d) a ceiling fan
  14. 14.True or false: a tube light mainly gives out light. (a) True (b) False
  15. 15.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) sound energy (d) electrical energy
  16. 16.🔍 Which is the odd one out? (a) a loudspeaker (b) a doorbell (c) a ceiling fan (d) a buzzer
  17. 17.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) light energy (c) movement energy (d) sound energy
  18. 18.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  19. 19.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.🔍 Which is the odd one out? (a) an LED lamp (b) a traffic signal (c) a tube light (d) an electric kettle
  21. 21.True or false: a buzzer mainly gives out light. (a) True (b) False
  22. 22.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) a magnet (d) electric current
  23. 23.🔍 Which is the odd one out? (a) an electric drill (b) an electric kettle (c) a water heater (d) a room heater
  24. 24.Which of these mainly makes movement? (a) a toaster (b) a table fan (c) an electric iron (d) a tube light
  25. 25.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  26. 26.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  27. 27.True or false: a loudspeaker mainly gives out light. (a) True (b) False
  28. 28.True or false: an exhaust fan mainly gives out heat. (a) True (b) False
  29. 29.Which of these gives us electricity? (a) an air conditioner (b) a power station (c) a computer (d) a mobile phone
  30. 30.⚡ What does a table fan mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  31. 31.Which of these uses electricity? (a) a cell (b) a bicycle dynamo (c) a solar panel (d) a mobile phone
  32. 32.⚡ What does an electric toy car mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  33. 33.True or false: a room heater mainly gives out light. (a) False (b) True
  34. 34.⚡ What does an electric kettle mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  35. 35.Which of these gives us electricity? (a) a cell (b) a water pump (c) a washing machine (d) a mobile phone
  36. 36.Which of these gives us electricity? (a) a refrigerator (b) a solar panel (c) a washing machine (d) a television
  37. 37.⚡ What does an LED lamp mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  38. 38.Which of these mainly gives out light? (a) a room heater (b) a rice cooker (c) an electric kettle (d) a tube light
  39. 39.True or false: a rice cooker mainly gives out light. (a) False (b) True
  40. 40.Which of these mainly gives out heat? (a) a night lamp (b) a street light (c) a toaster (d) a traffic signal

Answer key

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

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