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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 688 · 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.Which of these mainly gives out light? (a) a toaster (b) a tube light (c) a buzzer (d) a table fan
  2. 2.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.⚡ What does an electric drill mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  4. 4.⚡ What does an electric iron mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  5. 5.⚡ What does a buzzer mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  6. 6.True or false: a doorbell mainly gives out heat. (a) True (b) False
  7. 7.⚡ What does a rice cooker mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  8. 8.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) movement energy (c) light energy (d) sound energy
  9. 9.🔍 Which is the odd one out? (a) a water heater (b) a ceiling fan (c) an electric kettle (d) a toaster
  10. 10.Which of these mainly makes movement? (a) a tube light (b) a ceiling fan (c) a water heater (d) an LED lamp
  11. 11.Which of these mainly gives out heat? (a) a ceiling fan (b) a torch (c) a toaster (d) an LED lamp
  12. 12.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  13. 13.Which of these uses electricity? (a) a wind turbine (b) a washing machine (c) a generator (d) a power station
  14. 14.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) friction (d) a magnet
  15. 15.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.Which of these gives us electricity? (a) a computer (b) a wind turbine (c) a washing machine (d) a refrigerator
  17. 17.True or false: a night lamp mainly gives out light. (a) False (b) True
  18. 18.Which of these mainly gives out light? (a) a room heater (b) a mixer grinder (c) a torch (d) an electric toy car
  19. 19.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  20. 20.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.⚡ What does a toaster mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  22. 22.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a refrigerator (d) a solar panel
  23. 23.🔍 Which is the odd one out? (a) a siren (b) a buzzer (c) a school bell (d) an electric kettle
  24. 24.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  25. 25.Which of these gives us electricity? (a) a washing machine (b) a television (c) a refrigerator (d) a battery
  26. 26.⚡ What does a night lamp mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  27. 27.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  28. 28.Which of these mainly makes movement? (a) a water heater (b) a table fan (c) a room heater (d) an electric kettle
  29. 29.Which of these mainly gives out light? (a) an LED lamp (b) a rice cooker (c) a room heater (d) an electric drill
  30. 30.⚡ What does a siren mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  31. 31.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.⚡ What does a table fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  33. 33.True or false: a traffic signal mainly gives out light. (a) False (b) True
  34. 34.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) nuclear energy (d) electrical energy
  35. 35.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) wind energy
  36. 36.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) electrons (d) dust particles
  37. 37.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  38. 38.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) a loudspeaker (d) a street light
  39. 39.🔍 Which is the odd one out? (a) a tube light (b) a siren (c) a doorbell (d) a school bell
  40. 40.🔍 Which is the odd one out? (a) a doorbell (b) an LED lamp (c) a traffic signal (d) a street light

Answer key

  1. a tube light
  2. gives electricity
  3. movement
  4. heat
  5. sound
  6. False
  7. heat
  8. movement energy
  9. a ceiling fan
  10. a ceiling fan
  11. a toaster
  12. gives electricity
  13. a washing machine
  14. electric current
  15. gives electricity
  16. a wind turbine
  17. True
  18. a torch
  19. movement energy
  20. uses electricity
  21. heat
  22. a solar panel
  23. an electric kettle
  24. movement
  25. a battery
  26. light
  27. light
  28. a table fan
  29. an LED lamp
  30. sound
  31. uses electricity
  32. movement
  33. True
  34. electrical energy
  35. light energy
  36. electrons
  37. light
  38. a loudspeaker
  39. a tube light
  40. a doorbell

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