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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 89 · 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: a buzzer mainly makes movement. (a) True (b) False
  2. 2.Which of these mainly gives out heat? (a) a loudspeaker (b) an electric iron (c) an LED lamp (d) a tube light
  3. 3.True or false: a torch mainly gives out heat. (a) True (b) False
  4. 4.Which of these gives us electricity? (a) a computer (b) a television (c) a solar panel (d) an air conditioner
  5. 5.Which of these mainly gives out heat? (a) a mixer grinder (b) an LED lamp (c) a water heater (d) a ceiling fan
  6. 6.True or false: a doorbell mainly makes sound. (a) True (b) False
  7. 7.Which of these mainly makes sound? (a) an electric toy car (b) a school bell (c) a street light (d) a tube light
  8. 8.⚡ What does a night lamp mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  9. 9.🔍 Which is the odd one out? (a) a school bell (b) a room heater (c) an electric iron (d) an electric kettle
  10. 10.🔍 Which is the odd one out? (a) an electric drill (b) a ceiling fan (c) a table fan (d) an LED lamp
  11. 11.True or false: a street light mainly gives out heat. (a) True (b) False
  12. 12.Which of these uses electricity? (a) a wind turbine (b) a bicycle dynamo (c) an air conditioner (d) a power station
  13. 13.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.Which of these uses electricity? (a) a wind turbine (b) a cell (c) a bicycle dynamo (d) a washing machine
  16. 16.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  17. 17.🔍 Which is the odd one out? (a) a siren (b) a loudspeaker (c) a tube light (d) a school bell
  18. 18.🔍 Which is the odd one out? (a) a torch (b) a mixer grinder (c) a ceiling fan (d) an electric toy car
  19. 19.Which of these mainly gives out heat? (a) an electric kettle (b) a torch (c) a table fan (d) a doorbell
  20. 20.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  21. 21.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a refrigerator (d) a generator
  22. 22.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a television (d) a power station
  23. 23.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  24. 24.Which of these mainly makes movement? (a) an exhaust fan (b) a doorbell (c) a night lamp (d) a buzzer
  25. 25.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  26. 26.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  27. 27.Which of these gives us electricity? (a) a water pump (b) a computer (c) a cell (d) a washing machine
  28. 28.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) sound energy (d) wind energy
  30. 30.Which of these uses electricity? (a) a generator (b) a battery (c) a bicycle dynamo (d) a television
  31. 31.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) movement energy (c) light energy (d) sound energy
  32. 32.Which of these mainly makes movement? (a) a siren (b) an electric drill (c) a toaster (d) a school bell
  33. 33.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  34. 34.⚡ What does a water heater mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  35. 35.Which of these mainly gives out heat? (a) a table fan (b) a toaster (c) a mixer grinder (d) a siren
  36. 36.True or false: an LED lamp mainly gives out heat. (a) False (b) True
  37. 37.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) friction (d) a magnet
  38. 38.Which of these gives us electricity? (a) a mobile phone (b) a refrigerator (c) a washing machine (d) a wind turbine
  39. 39.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.Which of these mainly gives out light? (a) a toaster (b) a school bell (c) a room heater (d) an LED lamp

Answer key

  1. False
  2. an electric iron
  3. False
  4. a solar panel
  5. a water heater
  6. True
  7. a school bell
  8. light
  9. a school bell
  10. an LED lamp
  11. False
  12. an air conditioner
  13. gives electricity
  14. uses electricity
  15. a washing machine
  16. light energy
  17. a tube light
  18. a torch
  19. an electric kettle
  20. movement energy
  21. a generator
  22. a power station
  23. uses electricity
  24. an exhaust fan
  25. uses electricity
  26. electrons
  27. a cell
  28. gives electricity
  29. electrical energy
  30. a television
  31. movement energy
  32. an electric drill
  33. movement
  34. heat
  35. a toaster
  36. False
  37. electric current
  38. a wind turbine
  39. gives electricity
  40. an LED lamp

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