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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 929 · 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) an exhaust fan (b) a loudspeaker (c) an LED lamp (d) an electric toy car
  2. 2.Which of these uses electricity? (a) a power station (b) an air conditioner (c) a battery (d) a generator
  3. 3.True or false: a night lamp mainly makes movement. (a) True (b) False
  4. 4.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  5. 5.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  6. 6.Which of these mainly gives out heat? (a) a room heater (b) a school bell (c) a tube light (d) a night lamp
  7. 7.🔍 Which is the odd one out? (a) a siren (b) an electric iron (c) a rice cooker (d) a room heater
  8. 8.True or false: an electric drill mainly makes movement. (a) False (b) True
  9. 9.🔍 Which is the odd one out? (a) a room heater (b) a toaster (c) a tube light (d) an electric kettle
  10. 10.Which of these uses electricity? (a) a cell (b) a bicycle dynamo (c) a computer (d) a solar panel
  11. 11.Which of these uses electricity? (a) a solar panel (b) a generator (c) a bicycle dynamo (d) a television
  12. 12.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) chemical energy (c) light energy (d) sound energy
  13. 13.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) electrical energy (c) wind energy (d) sound energy
  15. 15.True or false: a doorbell mainly gives out light. (a) True (b) False
  16. 16.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.Which of these mainly makes movement? (a) a torch (b) an LED lamp (c) an electric drill (d) a traffic signal
  18. 18.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.Which of these gives us electricity? (a) a refrigerator (b) a generator (c) a computer (d) an air conditioner
  20. 20.True or false: a buzzer mainly makes sound. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) a night lamp (b) a ceiling fan (c) a street light (d) a tube light
  22. 22.True or false: a torch mainly makes movement. (a) False (b) True
  23. 23.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) movement energy (d) chemical energy
  24. 24.Which of these mainly gives out light? (a) a ceiling fan (b) a mixer grinder (c) an electric drill (d) a torch
  25. 25.🔍 Which is the odd one out? (a) a loudspeaker (b) a street light (c) a night lamp (d) a tube light
  26. 26.🔍 Which is the odd one out? (a) a water heater (b) a room heater (c) a rice cooker (d) a torch
  27. 27.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.Which of these mainly gives out heat? (a) an electric kettle (b) a table fan (c) an electric drill (d) a tube light
  29. 29.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  30. 30.Which of these mainly gives out light? (a) a room heater (b) an electric drill (c) a tube light (d) a mixer grinder
  31. 31.True or false: a buzzer mainly gives out light. (a) False (b) True
  32. 32.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  33. 33.Which of these gives us electricity? (a) a computer (b) a bicycle dynamo (c) a mobile phone (d) a television
  34. 34.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.Which of these mainly makes sound? (a) an exhaust fan (b) a torch (c) an LED lamp (d) a school bell
  36. 36.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  37. 37.⚡ What does an electric iron mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  38. 38.⚡ What does a night lamp mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  39. 39.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) a water pump (d) a solar panel
  40. 40.Which of these mainly makes movement? (a) a school bell (b) a torch (c) a tube light (d) an exhaust fan

Answer key

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

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