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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 65 · 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 night lamp mainly gives out heat. (a) False (b) True
  2. 2.Which of these uses electricity? (a) a solar panel (b) a computer (c) a bicycle dynamo (d) a battery
  3. 3.Which of these uses electricity? (a) a power station (b) a cell (c) an air conditioner (d) a solar panel
  4. 4.True or false: a mixer grinder mainly gives out light. (a) True (b) False
  5. 5.True or false: a ceiling fan mainly gives out heat. (a) True (b) False
  6. 6.⚡ What does a tube light mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  7. 7.Which of these gives us electricity? (a) a computer (b) a battery (c) a television (d) a mobile phone
  8. 8.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.True or false: a ceiling fan mainly gives out light. (a) True (b) False
  10. 10.⚡ What does a buzzer mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  11. 11.🔍 Which is the odd one out? (a) a mixer grinder (b) an exhaust fan (c) an electric drill (d) a traffic signal
  12. 12.⚡ What does a night lamp mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  13. 13.🔍 Which is the odd one out? (a) an exhaust fan (b) a table fan (c) an LED lamp (d) a ceiling fan
  14. 14.🔍 Which is the odd one out? (a) a loudspeaker (b) a room heater (c) a school bell (d) a buzzer
  15. 15.⚡ What does a water heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  16. 16.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) light energy (c) chemical energy (d) sound energy
  17. 17.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.Which of these mainly gives out heat? (a) an LED lamp (b) an electric toy car (c) a traffic signal (d) an electric kettle
  19. 19.Which of these gives us electricity? (a) a computer (b) a power station (c) a water pump (d) a television
  20. 20.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  21. 21.Which of these mainly makes movement? (a) a street light (b) a table fan (c) an electric iron (d) a torch
  22. 22.⚡ What does a doorbell mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  23. 23.True or false: a siren mainly makes sound. (a) False (b) True
  24. 24.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.🔍 Which is the odd one out? (a) a siren (b) a toaster (c) an electric iron (d) a water heater
  26. 26.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.Which of these mainly gives out light? (a) a night lamp (b) an electric drill (c) a rice cooker (d) a toaster
  28. 28.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  29. 29.🔍 Which is the odd one out? (a) a traffic signal (b) an electric toy car (c) a tube light (d) a torch
  30. 30.🔍 Which is the odd one out? (a) an electric iron (b) a water heater (c) a toaster (d) an electric drill
  31. 31.True or false: a street light mainly gives out light. (a) False (b) True
  32. 32.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  33. 33.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric toy car (c) an electric iron (d) a mixer grinder
  34. 34.True or false: a traffic signal mainly gives out light. (a) False (b) True
  35. 35.Which of these gives us electricity? (a) a computer (b) a wind turbine (c) a refrigerator (d) an air conditioner
  36. 36.Which of these mainly makes sound? (a) a street light (b) a school bell (c) a table fan (d) an LED lamp
  37. 37.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  38. 38.True or false: a buzzer mainly gives out light. (a) False (b) True
  39. 39.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) dust particles (c) water drops (d) photons
  40. 40.True or false: a night lamp mainly makes movement. (a) True (b) False

Answer key

  1. False
  2. a computer
  3. an air conditioner
  4. False
  5. False
  6. light
  7. a battery
  8. gives electricity
  9. False
  10. sound
  11. a traffic signal
  12. light
  13. an LED lamp
  14. a room heater
  15. heat
  16. movement energy
  17. gives electricity
  18. an electric kettle
  19. a power station
  20. movement energy
  21. a table fan
  22. sound
  23. True
  24. uses electricity
  25. a siren
  26. gives electricity
  27. a night lamp
  28. movement
  29. an electric toy car
  30. an electric drill
  31. True
  32. electric current
  33. an electric iron
  34. True
  35. a wind turbine
  36. a school bell
  37. gives electricity
  38. False
  39. electrons
  40. False

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