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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 406 · 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 uses electricity? (a) a bicycle dynamo (b) a solar panel (c) a refrigerator (d) a generator
  2. 2.Which of these mainly makes sound? (a) a mixer grinder (b) a traffic signal (c) a loudspeaker (d) a torch
  3. 3.⚡ What does an electric drill mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  4. 4.⚡ What does a table fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  5. 5.Which of these uses electricity? (a) a battery (b) a computer (c) a solar panel (d) a bicycle dynamo
  6. 6.True or false: an LED lamp mainly gives out light. (a) False (b) True
  7. 7.Which of these mainly gives out heat? (a) a torch (b) a school bell (c) a water heater (d) a night lamp
  8. 8.⚡ What does a siren mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  9. 9.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.Which of these mainly gives out light? (a) a water heater (b) an exhaust fan (c) a siren (d) a torch
  11. 11.⚡ What does a street light mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  12. 12.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  13. 13.Which of these mainly makes movement? (a) a room heater (b) a torch (c) an electric drill (d) a buzzer
  14. 14.Which of these uses electricity? (a) a bicycle dynamo (b) a generator (c) a mobile phone (d) a solar panel
  15. 15.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.Which of these gives us electricity? (a) a washing machine (b) a television (c) a cell (d) a mobile phone
  17. 17.🔍 Which is the odd one out? (a) an LED lamp (b) a street light (c) a traffic signal (d) a doorbell
  18. 18.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.Which of these mainly gives out heat? (a) a school bell (b) a traffic signal (c) a table fan (d) an electric iron
  20. 20.Which of these uses electricity? (a) an air conditioner (b) a bicycle dynamo (c) a generator (d) a power station
  21. 21.Which of these mainly makes movement? (a) a street light (b) a buzzer (c) a toaster (d) a table fan
  22. 22.⚡ What does a water heater mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  23. 23.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) chemical energy (d) light energy
  24. 24.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.🔍 Which is the odd one out? (a) an electric drill (b) a table fan (c) a mixer grinder (d) a tube light
  26. 26.Which of these gives us electricity? (a) a refrigerator (b) a battery (c) a mobile phone (d) an air conditioner
  27. 27.⚡ What does a buzzer mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  28. 28.🔍 Which is the odd one out? (a) an electric drill (b) a street light (c) a torch (d) a night lamp
  29. 29.True or false: a buzzer mainly makes sound. (a) True (b) False
  30. 30.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) movement energy (c) light energy (d) sound energy
  31. 31.⚡ What does a doorbell mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  32. 32.Which of these mainly gives out light? (a) an exhaust fan (b) a buzzer (c) a rice cooker (d) a tube light
  33. 33.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  34. 34.True or false: a ceiling fan mainly makes movement. (a) True (b) False
  35. 35.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  36. 36.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  37. 37.Which of these mainly makes movement? (a) a ceiling fan (b) a tube light (c) a buzzer (d) a siren
  38. 38.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) wind energy (d) nuclear energy
  39. 39.🔍 Which is the odd one out? (a) a street light (b) an LED lamp (c) a traffic signal (d) a rice cooker
  40. 40.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity

Answer key

  1. a refrigerator
  2. a loudspeaker
  3. movement
  4. movement
  5. a computer
  6. True
  7. a water heater
  8. sound
  9. uses electricity
  10. a torch
  11. light
  12. gives electricity
  13. an electric drill
  14. a mobile phone
  15. uses electricity
  16. a cell
  17. a doorbell
  18. uses electricity
  19. an electric iron
  20. an air conditioner
  21. a table fan
  22. heat
  23. light energy
  24. gives electricity
  25. a tube light
  26. a battery
  27. sound
  28. an electric drill
  29. True
  30. movement energy
  31. sound
  32. a tube light
  33. electric current
  34. True
  35. heat
  36. light
  37. a ceiling fan
  38. electrical energy
  39. a rice cooker
  40. gives electricity

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