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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 628 · 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 television (b) a battery (c) a solar panel (d) a generator
  2. 2.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  3. 3.🔍 Which is the odd one out? (a) a street light (b) an electric kettle (c) a water heater (d) an electric iron
  4. 4.True or false: a tube light mainly makes movement. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) an electric drill (b) a table fan (c) a mixer grinder (d) a room heater
  6. 6.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  7. 7.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) sound (c) friction (d) a magnet
  8. 8.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) nuclear energy (d) electrical energy
  9. 9.Which of these gives us electricity? (a) a solar panel (b) a computer (c) a television (d) a mobile phone
  10. 10.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) movement energy
  11. 11.Which of these gives us electricity? (a) a mobile phone (b) a water pump (c) a washing machine (d) a bicycle dynamo
  12. 12.Which of these mainly gives out light? (a) a ceiling fan (b) a school bell (c) a mixer grinder (d) an LED lamp
  13. 13.⚡ What does an electric iron mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  14. 14.Which of these mainly gives out heat? (a) a mixer grinder (b) a doorbell (c) a traffic signal (d) a water heater
  15. 15.True or false: an electric iron mainly makes movement. (a) False (b) True
  16. 16.True or false: a water heater mainly gives out heat. (a) True (b) False
  17. 17.Which of these uses electricity? (a) a cell (b) a battery (c) a solar panel (d) a washing machine
  18. 18.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  19. 19.True or false: a ceiling fan mainly gives out heat. (a) True (b) False
  20. 20.Which of these mainly makes sound? (a) a tube light (b) a street light (c) an electric toy car (d) a school bell
  21. 21.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  22. 22.🔍 Which is the odd one out? (a) a street light (b) a tube light (c) an LED lamp (d) a loudspeaker
  23. 23.⚡ What does a rice cooker mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  24. 24.🔍 Which is the odd one out? (a) an LED lamp (b) a ceiling fan (c) an exhaust fan (d) an electric drill
  25. 25.⚡ What does a torch mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  26. 26.Which of these gives us electricity? (a) a battery (b) an air conditioner (c) a computer (d) a television
  27. 27.Which of these uses electricity? (a) a generator (b) a battery (c) a bicycle dynamo (d) a refrigerator
  28. 28.Which of these gives us electricity? (a) a washing machine (b) a refrigerator (c) a wind turbine (d) a television
  29. 29.⚡ What does a buzzer mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  30. 30.🔍 Which is the odd one out? (a) a room heater (b) a mixer grinder (c) an electric kettle (d) a rice cooker
  31. 31.⚡ What does a table fan mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  32. 32.Which of these gives us electricity? (a) a television (b) a power station (c) a water pump (d) an air conditioner
  33. 33.⚡ What does a water heater mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  34. 34.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) a buzzer (d) a tube light
  35. 35.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.Which of these mainly gives out light? (a) an electric drill (b) a mixer grinder (c) an electric kettle (d) a torch
  37. 37.Which of these mainly makes sound? (a) a mixer grinder (b) a tube light (c) a rice cooker (d) a buzzer
  38. 38.True or false: a torch mainly gives out light. (a) False (b) True
  39. 39.True or false: a doorbell mainly makes sound. (a) True (b) False
  40. 40.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) movement (c) sound (d) light

Answer key

  1. a television
  2. True
  3. a street light
  4. False
  5. a room heater
  6. movement
  7. electric current
  8. electrical energy
  9. a solar panel
  10. movement energy
  11. a bicycle dynamo
  12. an LED lamp
  13. heat
  14. a water heater
  15. False
  16. True
  17. a washing machine
  18. light energy
  19. False
  20. a school bell
  21. sound
  22. a loudspeaker
  23. heat
  24. an LED lamp
  25. light
  26. a battery
  27. a refrigerator
  28. a wind turbine
  29. sound
  30. a mixer grinder
  31. movement
  32. a power station
  33. heat
  34. a buzzer
  35. uses electricity
  36. a torch
  37. a buzzer
  38. True
  39. True
  40. light

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