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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 955 · 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.

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

Answer key

  1. an LED lamp
  2. a tube light
  3. light
  4. light energy
  5. electrons
  6. a refrigerator
  7. an exhaust fan
  8. a ceiling fan
  9. a battery
  10. heat
  11. a wind turbine
  12. an electric toy car
  13. True
  14. a toaster
  15. a doorbell
  16. a bicycle dynamo
  17. sound
  18. heat
  19. an exhaust fan
  20. an electric kettle
  21. heat
  22. an air conditioner
  23. light
  24. a rice cooker
  25. uses electricity
  26. sound
  27. gives electricity
  28. False
  29. uses electricity
  30. gives electricity
  31. an electric kettle
  32. a buzzer
  33. False
  34. a torch
  35. a generator
  36. a rice cooker
  37. a doorbell
  38. electrical energy
  39. gives electricity
  40. a siren

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