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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 490 · 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 do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  2. 2.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.Which of these mainly gives out heat? (a) a tube light (b) a table fan (c) a torch (d) an electric iron
  4. 4.🔍 Which is the odd one out? (a) a siren (b) a buzzer (c) a torch (d) a school bell
  5. 5.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  6. 6.Which of these gives us electricity? (a) a power station (b) a television (c) a computer (d) a washing machine
  7. 7.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) sound energy (d) wind energy
  8. 8.True or false: a water heater mainly makes movement. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric drill (c) a mixer grinder (d) a traffic signal
  10. 10.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) an LED lamp (d) an electric toy car
  11. 11.🔍 Which is the odd one out? (a) a doorbell (b) a loudspeaker (c) a buzzer (d) an electric iron
  12. 12.Which of these mainly gives out light? (a) a ceiling fan (b) a school bell (c) an electric toy car (d) a night lamp
  13. 13.True or false: a mixer grinder mainly gives out heat. (a) False (b) True
  14. 14.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) wind energy (c) sound energy (d) chemical energy
  15. 15.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) a table fan (d) a school bell
  16. 16.Which of these mainly gives out light? (a) a table fan (b) a street light (c) a loudspeaker (d) a toaster
  17. 17.Which of these uses electricity? (a) a wind turbine (b) a power station (c) a generator (d) a refrigerator
  18. 18.Which of these uses electricity? (a) a solar panel (b) a power station (c) a battery (d) a television
  19. 19.Which of these mainly makes sound? (a) an electric iron (b) a doorbell (c) a mixer grinder (d) a street light
  20. 20.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  22. 22.Which of these mainly gives out light? (a) a rice cooker (b) a toaster (c) an LED lamp (d) an electric iron
  23. 23.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  24. 24.True or false: a tube light mainly gives out light. (a) False (b) True
  25. 25.⚡ What does a street light mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  26. 26.⚡ What does a torch mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  27. 27.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.🔍 Which is the odd one out? (a) a traffic signal (b) a tube light (c) a siren (d) a street light
  29. 29.True or false: a water heater mainly gives out heat. (a) False (b) True
  30. 30.Which of these mainly makes movement? (a) an electric iron (b) a table fan (c) an electric kettle (d) a siren
  31. 31.⚡ What does an electric drill mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  32. 32.🔍 Which is the odd one out? (a) a school bell (b) a mixer grinder (c) a buzzer (d) a doorbell
  33. 33.🔍 Which is the odd one out? (a) a doorbell (b) a buzzer (c) a rice cooker (d) a siren
  34. 34.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  35. 35.Which of these uses electricity? (a) a wind turbine (b) a generator (c) an air conditioner (d) a bicycle dynamo
  36. 36.Which of these mainly gives out heat? (a) a water heater (b) an electric toy car (c) a ceiling fan (d) a traffic signal
  37. 37.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  38. 38.⚡ What does a water heater mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  39. 39.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  40. 40.True or false: a night lamp mainly makes sound. (a) True (b) False

Answer key

  1. electric current
  2. uses electricity
  3. an electric iron
  4. a torch
  5. sound
  6. a power station
  7. electrical energy
  8. False
  9. a traffic signal
  10. an electric toy car
  11. an electric iron
  12. a night lamp
  13. False
  14. light energy
  15. a table fan
  16. a street light
  17. a refrigerator
  18. a television
  19. a doorbell
  20. gives electricity
  21. movement
  22. an LED lamp
  23. gives electricity
  24. True
  25. light
  26. light
  27. uses electricity
  28. a siren
  29. True
  30. a table fan
  31. movement
  32. a mixer grinder
  33. a rice cooker
  34. movement
  35. an air conditioner
  36. a water heater
  37. gives electricity
  38. heat
  39. light
  40. False

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