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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 981 · 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.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) friction (d) sound
  2. 2.⚡ What does an LED lamp mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  3. 3.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) a water heater (d) a tube light
  4. 4.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  5. 5.🔍 Which is the odd one out? (a) a rice cooker (b) an electric drill (c) a ceiling fan (d) an exhaust fan
  6. 6.Which of these mainly gives out heat? (a) a traffic signal (b) a street light (c) a rice cooker (d) a tube light
  7. 7.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.True or false: a torch mainly gives out light. (a) True (b) False
  9. 9.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  10. 10.True or false: a toaster mainly gives out heat. (a) False (b) True
  11. 11.Which of these mainly gives out heat? (a) a mixer grinder (b) a torch (c) a doorbell (d) a water heater
  12. 12.Which of these mainly gives out heat? (a) a ceiling fan (b) a doorbell (c) a mixer grinder (d) an electric iron
  13. 13.Which of these mainly makes movement? (a) a traffic signal (b) a ceiling fan (c) a doorbell (d) an LED lamp
  14. 14.Which of these gives us electricity? (a) a generator (b) a mobile phone (c) a television (d) a washing machine
  15. 15.🔍 Which is the odd one out? (a) an LED lamp (b) a night lamp (c) a doorbell (d) a street light
  16. 16.⚡ What does a table fan mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  17. 17.⚡ What does an electric drill mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  18. 18.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  19. 19.⚡ What does a doorbell mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  20. 20.🔍 Which is the odd one out? (a) a table fan (b) a mixer grinder (c) an LED lamp (d) an electric toy car
  21. 21.Which of these gives us electricity? (a) an air conditioner (b) a television (c) a computer (d) a solar panel
  22. 22.Which of these mainly makes movement? (a) a doorbell (b) a street light (c) an electric kettle (d) a table fan
  23. 23.True or false: a school bell mainly makes sound. (a) False (b) True
  24. 24.Which of these uses electricity? (a) a refrigerator (b) a cell (c) a generator (d) a bicycle dynamo
  25. 25.Which of these mainly gives out light? (a) a traffic signal (b) a room heater (c) a school bell (d) a mixer grinder
  26. 26.🔍 Which is the odd one out? (a) a torch (b) a school bell (c) an LED lamp (d) a traffic signal
  27. 27.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) sound energy (c) wind energy (d) chemical energy
  28. 28.🔍 Which is the odd one out? (a) an electric toy car (b) a school bell (c) a loudspeaker (d) a siren
  29. 29.⚡ What does a room heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  30. 30.Which of these mainly makes movement? (a) an electric iron (b) a night lamp (c) a school bell (d) an electric drill
  31. 31.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) movement energy
  32. 32.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  34. 34.Which of these mainly makes movement? (a) a torch (b) a traffic signal (c) an electric toy car (d) an electric iron
  35. 35.Which of these mainly gives out light? (a) an electric iron (b) a night lamp (c) a siren (d) a water heater
  36. 36.⚡ What does an electric iron mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  37. 37.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  38. 38.Which of these mainly makes sound? (a) a room heater (b) a mixer grinder (c) a buzzer (d) an LED lamp
  39. 39.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) water drops (d) electrons
  40. 40.⚡ What does a water heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat

Answer key

  1. electric current
  2. light
  3. a water heater
  4. electrical energy
  5. a rice cooker
  6. a rice cooker
  7. gives electricity
  8. True
  9. True
  10. True
  11. a water heater
  12. an electric iron
  13. a ceiling fan
  14. a generator
  15. a doorbell
  16. movement
  17. movement
  18. movement
  19. sound
  20. an LED lamp
  21. a solar panel
  22. a table fan
  23. True
  24. a refrigerator
  25. a traffic signal
  26. a school bell
  27. light energy
  28. an electric toy car
  29. heat
  30. an electric drill
  31. movement energy
  32. uses electricity
  33. heat
  34. an electric toy car
  35. a night lamp
  36. heat
  37. uses electricity
  38. a buzzer
  39. electrons
  40. heat

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