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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 795 · 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.

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

Answer key

  1. an electric drill
  2. heat
  3. sound
  4. a rice cooker
  5. an electric kettle
  6. False
  7. movement energy
  8. True
  9. movement energy
  10. a water pump
  11. a loudspeaker
  12. True
  13. a tube light
  14. electric current
  15. gives electricity
  16. False
  17. a refrigerator
  18. a toaster
  19. an electric drill
  20. light energy
  21. True
  22. an electric iron
  23. a washing machine
  24. a doorbell
  25. uses electricity
  26. light
  27. a tube light
  28. uses electricity
  29. gives electricity
  30. an exhaust fan
  31. light
  32. a wind turbine
  33. a torch
  34. uses electricity
  35. electrical energy
  36. a buzzer
  37. a battery
  38. uses electricity
  39. a buzzer
  40. a torch

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