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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 491 · 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.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  2. 2.🔍 Which is the odd one out? (a) a school bell (b) a doorbell (c) a siren (d) a toaster
  3. 3.Which of these uses electricity? (a) a solar panel (b) a refrigerator (c) a cell (d) a power station
  4. 4.Which of these gives us electricity? (a) an air conditioner (b) a television (c) a cell (d) a water pump
  5. 5.🔍 Which is the odd one out? (a) a rice cooker (b) an electric drill (c) an electric kettle (d) a water heater
  6. 6.🔍 Which is the odd one out? (a) a siren (b) a school bell (c) a doorbell (d) a room heater
  7. 7.🔍 Which is the odd one out? (a) a buzzer (b) a loudspeaker (c) an electric toy car (d) a doorbell
  8. 8.Which of these mainly gives out heat? (a) a school bell (b) a toaster (c) a traffic signal (d) a tube light
  9. 9.True or false: a night lamp mainly gives out light. (a) False (b) True
  10. 10.Which of these mainly makes sound? (a) a street light (b) a tube light (c) a room heater (d) a buzzer
  11. 11.🔍 Which is the odd one out? (a) a traffic signal (b) a doorbell (c) a loudspeaker (d) a buzzer
  12. 12.Which of these mainly gives out light? (a) a street light (b) an exhaust fan (c) a buzzer (d) a rice cooker
  13. 13.🔍 Which is the odd one out? (a) an electric kettle (b) a table fan (c) a ceiling fan (d) an electric drill
  14. 14.Which of these mainly gives out heat? (a) a street light (b) a doorbell (c) an electric iron (d) an LED lamp
  15. 15.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  16. 16.Which of these uses electricity? (a) a washing machine (b) a solar panel (c) a power station (d) a generator
  17. 17.Which of these mainly makes movement? (a) a rice cooker (b) a water heater (c) a night lamp (d) an electric toy car
  18. 18.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  19. 19.Which of these gives us electricity? (a) a generator (b) an air conditioner (c) a computer (d) a washing machine
  20. 20.Which of these mainly gives out light? (a) an electric kettle (b) an LED lamp (c) a rice cooker (d) a room heater
  21. 21.Which of these mainly gives out heat? (a) an electric drill (b) an LED lamp (c) a mixer grinder (d) a water heater
  22. 22.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) sound energy (d) light energy
  23. 23.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  24. 24.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) nuclear energy (d) sound energy
  25. 25.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  26. 26.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  27. 27.🔍 Which is the odd one out? (a) an electric kettle (b) an electric iron (c) a toaster (d) a mixer grinder
  28. 28.Which of these uses electricity? (a) a bicycle dynamo (b) a cell (c) a wind turbine (d) a television
  29. 29.Which of these mainly makes sound? (a) a water heater (b) a school bell (c) a tube light (d) a traffic signal
  30. 30.Which of these mainly makes movement? (a) a toaster (b) a traffic signal (c) a mixer grinder (d) a buzzer
  31. 31.🔍 Which is the odd one out? (a) an LED lamp (b) a water heater (c) a night lamp (d) a traffic signal
  32. 32.🔍 Which is the odd one out? (a) a siren (b) an electric iron (c) a toaster (d) a water heater
  33. 33.🔍 Which is the odd one out? (a) a table fan (b) a mixer grinder (c) an electric iron (d) an electric drill
  34. 34.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) movement energy (d) sound energy
  35. 35.🔍 Which is the odd one out? (a) a loudspeaker (b) a buzzer (c) a table fan (d) a siren
  36. 36.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  37. 37.True or false: a siren mainly gives out light. (a) True (b) False
  38. 38.True or false: a torch mainly makes movement. (a) True (b) False
  39. 39.Which of these mainly gives out heat? (a) a siren (b) an electric kettle (c) an electric drill (d) a traffic signal
  40. 40.⚡ What does a tube light mainly change electricity into? (a) movement (b) heat (c) light (d) sound

Answer key

  1. light
  2. a toaster
  3. a refrigerator
  4. a cell
  5. an electric drill
  6. a room heater
  7. an electric toy car
  8. a toaster
  9. True
  10. a buzzer
  11. a traffic signal
  12. a street light
  13. an electric kettle
  14. an electric iron
  15. movement
  16. a washing machine
  17. an electric toy car
  18. electric current
  19. a generator
  20. an LED lamp
  21. a water heater
  22. movement energy
  23. light
  24. electrical energy
  25. sound
  26. gives electricity
  27. a mixer grinder
  28. a television
  29. a school bell
  30. a mixer grinder
  31. a water heater
  32. a siren
  33. an electric iron
  34. movement energy
  35. a table fan
  36. sound
  37. False
  38. False
  39. an electric kettle
  40. light

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