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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 785 · 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.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  2. 2.🔍 Which is the odd one out? (a) a loudspeaker (b) a water heater (c) a buzzer (d) a school bell
  3. 3.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  4. 4.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) friction (d) a magnet
  5. 5.True or false: an electric toy car mainly gives out heat. (a) True (b) False
  6. 6.True or false: a toaster mainly makes movement. (a) True (b) False
  7. 7.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  8. 8.🔍 Which is the odd one out? (a) a toaster (b) a school bell (c) a water heater (d) an electric kettle
  9. 9.Which of these mainly gives out heat? (a) a rice cooker (b) a torch (c) a tube light (d) an LED lamp
  10. 10.True or false: a torch mainly makes sound. (a) False (b) True
  11. 11.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) light energy (c) sound energy (d) chemical energy
  12. 12.True or false: an LED lamp mainly gives out light. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) a tube light (d) an electric kettle
  14. 14.⚡ What does a rice cooker mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  15. 15.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.⚡ What does an electric iron mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  17. 17.Which of these mainly gives out heat? (a) a ceiling fan (b) an electric kettle (c) an LED lamp (d) a traffic signal
  18. 18.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  19. 19.Which of these uses electricity? (a) a power station (b) a refrigerator (c) a bicycle dynamo (d) a cell
  20. 20.Which of these mainly makes sound? (a) an electric iron (b) a street light (c) a night lamp (d) a doorbell
  21. 21.🔍 Which is the odd one out? (a) an electric iron (b) a water heater (c) a rice cooker (d) an electric drill
  22. 22.🔍 Which is the odd one out? (a) a toaster (b) a school bell (c) a loudspeaker (d) a buzzer
  23. 23.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  24. 24.⚡ What does a street light mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  25. 25.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  26. 26.True or false: a street light mainly gives out light. (a) True (b) False
  27. 27.Which of these gives us electricity? (a) a television (b) a refrigerator (c) a mobile phone (d) a solar panel
  28. 28.Which of these mainly makes movement? (a) a torch (b) a traffic signal (c) an exhaust fan (d) a night lamp
  29. 29.Which of these uses electricity? (a) a solar panel (b) a power station (c) a cell (d) a water pump
  30. 30.⚡ What does a water heater mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  31. 31.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.Which of these mainly makes movement? (a) a room heater (b) a mixer grinder (c) an LED lamp (d) a torch
  33. 33.Which of these mainly gives out light? (a) a rice cooker (b) a table fan (c) a torch (d) a water heater
  34. 34.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  35. 35.Which of these mainly gives out heat? (a) a table fan (b) an electric drill (c) a water heater (d) a tube light
  36. 36.🔍 Which is the odd one out? (a) a room heater (b) an electric iron (c) an electric kettle (d) a doorbell
  37. 37.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  38. 38.True or false: a table fan mainly gives out heat. (a) False (b) True
  39. 39.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  40. 40.Which of these mainly gives out light? (a) a mixer grinder (b) an LED lamp (c) an electric toy car (d) a toaster

Answer key

  1. uses electricity
  2. a water heater
  3. electrical energy
  4. electric current
  5. False
  6. False
  7. sound
  8. a school bell
  9. a rice cooker
  10. False
  11. movement energy
  12. True
  13. an electric kettle
  14. heat
  15. gives electricity
  16. heat
  17. an electric kettle
  18. movement
  19. a refrigerator
  20. a doorbell
  21. an electric drill
  22. a toaster
  23. movement
  24. light
  25. movement energy
  26. True
  27. a solar panel
  28. an exhaust fan
  29. a water pump
  30. heat
  31. gives electricity
  32. a mixer grinder
  33. a torch
  34. True
  35. a water heater
  36. a doorbell
  37. uses electricity
  38. False
  39. True
  40. an LED lamp

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