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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 624 · 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 street light (b) a table fan (c) a school bell (d) a toaster
  2. 2.Which of these gives us electricity? (a) a television (b) a battery (c) a water pump (d) an air conditioner
  3. 3.Which of these mainly gives out heat? (a) a ceiling fan (b) a loudspeaker (c) a water heater (d) a torch
  4. 4.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  5. 5.🔍 Which is the odd one out? (a) an electric kettle (b) a room heater (c) a rice cooker (d) a night lamp
  6. 6.True or false: an exhaust fan mainly gives out heat. (a) True (b) False
  7. 7.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  8. 8.🔍 Which is the odd one out? (a) a room heater (b) a loudspeaker (c) a school bell (d) a buzzer
  9. 9.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) a tube light (d) a toaster
  10. 10.⚡ What does a table fan mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  11. 11.⚡ What does a tube light mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  12. 12.Which of these mainly gives out light? (a) an exhaust fan (b) a table fan (c) a ceiling fan (d) an LED lamp
  13. 13.🔍 Which is the odd one out? (a) a traffic signal (b) a torch (c) an electric toy car (d) a street light
  14. 14.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  15. 15.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  16. 16.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  17. 17.True or false: an LED lamp mainly gives out light. (a) False (b) True
  18. 18.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) nuclear energy (c) sound energy (d) wind energy
  20. 20.True or false: an electric drill mainly gives out heat. (a) False (b) True
  21. 21.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.True or false: an electric toy car mainly gives out light. (a) True (b) False
  23. 23.Which of these gives us electricity? (a) a cell (b) a television (c) a computer (d) a refrigerator
  24. 24.🔍 Which is the odd one out? (a) an electric drill (b) a siren (c) a mixer grinder (d) a table fan
  25. 25.True or false: an electric toy car mainly makes movement. (a) True (b) False
  26. 26.True or false: a tube light mainly gives out light. (a) False (b) True
  27. 27.⚡ What does a street light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  28. 28.🔍 Which is the odd one out? (a) a ceiling fan (b) a table fan (c) a mixer grinder (d) an electric kettle
  29. 29.True or false: a night lamp mainly gives out light. (a) True (b) False
  30. 30.Which of these uses electricity? (a) a power station (b) a computer (c) a wind turbine (d) a bicycle dynamo
  31. 31.🔍 Which is the odd one out? (a) an exhaust fan (b) a tube light (c) an LED lamp (d) a night lamp
  32. 32.Which of these mainly gives out light? (a) a toaster (b) a room heater (c) a buzzer (d) a torch
  33. 33.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  34. 34.Which of these uses electricity? (a) a bicycle dynamo (b) a generator (c) a mobile phone (d) a power station
  35. 35.⚡ What does a doorbell mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  36. 36.Which of these mainly gives out heat? (a) a loudspeaker (b) a rice cooker (c) a table fan (d) a siren
  37. 37.True or false: a traffic signal mainly makes sound. (a) True (b) False
  38. 38.Which of these mainly makes sound? (a) a rice cooker (b) a water heater (c) a siren (d) a street light
  39. 39.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  40. 40.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) light (c) heat (d) movement

Answer key

  1. a toaster
  2. a battery
  3. a water heater
  4. electric current
  5. a night lamp
  6. False
  7. sound
  8. a room heater
  9. a toaster
  10. movement
  11. light
  12. an LED lamp
  13. an electric toy car
  14. sound
  15. movement
  16. movement
  17. True
  18. gives electricity
  19. electrical energy
  20. False
  21. uses electricity
  22. False
  23. a cell
  24. a siren
  25. True
  26. True
  27. light
  28. an electric kettle
  29. True
  30. a computer
  31. an exhaust fan
  32. a torch
  33. True
  34. a mobile phone
  35. sound
  36. a rice cooker
  37. False
  38. a siren
  39. movement energy
  40. movement

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