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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 126 · 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.True or false: an electric drill mainly makes movement. (a) True (b) False
  2. 2.🔍 Which is the odd one out? (a) an electric iron (b) a room heater (c) an electric kettle (d) a doorbell
  3. 3.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  4. 4.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  5. 5.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) light energy (d) chemical energy
  6. 6.Which of these gives us electricity? (a) a mobile phone (b) an air conditioner (c) a bicycle dynamo (d) a computer
  7. 7.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.Which of these mainly gives out light? (a) a rice cooker (b) a traffic signal (c) a mixer grinder (d) a ceiling fan
  9. 9.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  10. 10.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  11. 11.⚡ What does a water heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  12. 12.🔍 Which is the odd one out? (a) an electric drill (b) an LED lamp (c) a mixer grinder (d) an exhaust fan
  13. 13.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) movement energy (d) light energy
  14. 14.Which of these uses electricity? (a) a battery (b) a generator (c) a power station (d) a water pump
  15. 15.Which of these mainly makes sound? (a) a tube light (b) an electric toy car (c) a school bell (d) a night lamp
  16. 16.Which of these mainly gives out heat? (a) a buzzer (b) a traffic signal (c) a table fan (d) a water heater
  17. 17.⚡ What does a tube light mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  18. 18.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.Which of these mainly gives out light? (a) a loudspeaker (b) a water heater (c) a torch (d) a doorbell
  20. 20.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  21. 21.True or false: an electric toy car mainly makes movement. (a) False (b) True
  22. 22.True or false: an electric iron mainly makes sound. (a) True (b) False
  23. 23.Which of these gives us electricity? (a) a mobile phone (b) a television (c) a generator (d) a washing machine
  24. 24.True or false: a torch mainly gives out light. (a) False (b) True
  25. 25.Which of these mainly makes sound? (a) an LED lamp (b) a mixer grinder (c) a siren (d) a traffic signal
  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) a buzzer (c) an electric iron (d) a rice cooker
  28. 28.True or false: a toaster mainly gives out heat. (a) False (b) True
  29. 29.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) dust particles (d) photons
  30. 30.Which of these mainly gives out light? (a) a mixer grinder (b) a water heater (c) a rice cooker (d) a tube light
  31. 31.Which of these gives us electricity? (a) a water pump (b) a washing machine (c) a power station (d) a mobile phone
  32. 32.Which of these mainly makes movement? (a) a mixer grinder (b) a doorbell (c) a tube light (d) a rice cooker
  33. 33.🔍 Which is the odd one out? (a) a school bell (b) a siren (c) a street light (d) a doorbell
  34. 34.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) nuclear energy (c) wind energy (d) sound energy
  35. 35.🔍 Which is the odd one out? (a) a room heater (b) an electric iron (c) a rice cooker (d) a traffic signal
  36. 36.Which of these mainly makes sound? (a) a doorbell (b) a traffic signal (c) a tube light (d) an exhaust fan
  37. 37.⚡ What does a room heater mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  38. 38.Which of these mainly makes movement? (a) a traffic signal (b) a school bell (c) an electric drill (d) an electric iron
  39. 39.Which of these uses electricity? (a) a washing machine (b) a power station (c) a generator (d) a battery
  40. 40.🔍 Which is the odd one out? (a) a toaster (b) a mixer grinder (c) an electric kettle (d) an electric iron

Answer key

  1. True
  2. a doorbell
  3. light
  4. light
  5. light energy
  6. a bicycle dynamo
  7. gives electricity
  8. a traffic signal
  9. movement
  10. movement
  11. heat
  12. an LED lamp
  13. movement energy
  14. a water pump
  15. a school bell
  16. a water heater
  17. light
  18. gives electricity
  19. a torch
  20. gives electricity
  21. True
  22. False
  23. a generator
  24. True
  25. a siren
  26. gives electricity
  27. a buzzer
  28. True
  29. electrons
  30. a tube light
  31. a power station
  32. a mixer grinder
  33. a street light
  34. electrical energy
  35. a traffic signal
  36. a doorbell
  37. heat
  38. an electric drill
  39. a washing machine
  40. a mixer grinder

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