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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 649 · 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.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  2. 2.🔍 Which is the odd one out? (a) an electric drill (b) a mixer grinder (c) a traffic signal (d) an exhaust fan
  3. 3.Which of these uses electricity? (a) a bicycle dynamo (b) a cell (c) a computer (d) a battery
  4. 4.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  5. 5.Which of these mainly gives out heat? (a) a ceiling fan (b) an electric kettle (c) a loudspeaker (d) a torch
  6. 6.True or false: a night lamp mainly gives out heat. (a) False (b) True
  7. 7.⚡ What does a doorbell mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  8. 8.True or false: a rice cooker mainly gives out heat. (a) True (b) False
  9. 9.True or false: a water heater mainly makes movement. (a) False (b) True
  10. 10.Which of these mainly makes movement? (a) a doorbell (b) a table fan (c) a water heater (d) an electric iron
  11. 11.🔍 Which is the odd one out? (a) a street light (b) a toaster (c) a torch (d) a night lamp
  12. 12.True or false: an electric iron mainly gives out light. (a) False (b) True
  13. 13.🔍 Which is the odd one out? (a) an electric kettle (b) a toaster (c) a room heater (d) a mixer grinder
  14. 14.🔍 Which is the odd one out? (a) a water heater (b) a tube light (c) an LED lamp (d) a street light
  15. 15.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.⚡ What does an electric drill mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  17. 17.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) electrical energy (d) nuclear energy
  18. 18.⚡ What does a night lamp mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  19. 19.True or false: a water heater mainly gives out light. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) an exhaust fan (b) a mixer grinder (c) an electric drill (d) a buzzer
  21. 21.🔍 Which is the odd one out? (a) an electric iron (b) an electric kettle (c) a school bell (d) a rice cooker
  22. 22.True or false: a toaster mainly makes movement. (a) False (b) True
  23. 23.Which of these mainly gives out light? (a) a mixer grinder (b) a tube light (c) a doorbell (d) a rice cooker
  24. 24.Which of these mainly makes movement? (a) a torch (b) a loudspeaker (c) a ceiling fan (d) an LED lamp
  25. 25.True or false: an electric iron mainly makes sound. (a) False (b) True
  26. 26.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  27. 27.Which of these mainly gives out light? (a) a loudspeaker (b) a rice cooker (c) a street light (d) a doorbell
  28. 28.Which of these mainly makes movement? (a) a torch (b) a traffic signal (c) an exhaust fan (d) a buzzer
  29. 29.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  30. 30.Which of these uses electricity? (a) a refrigerator (b) a power station (c) a cell (d) a generator
  31. 31.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  32. 32.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  33. 33.⚡ What does a toaster mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  34. 34.Which of these gives us electricity? (a) a computer (b) a washing machine (c) a mobile phone (d) a cell
  35. 35.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  36. 36.🔍 Which is the odd one out? (a) a street light (b) a ceiling fan (c) an LED lamp (d) a tube light
  37. 37.Which of these mainly gives out heat? (a) a loudspeaker (b) a tube light (c) a water heater (d) an LED lamp
  38. 38.True or false: a school bell mainly makes sound. (a) True (b) False
  39. 39.True or false: a rice cooker mainly makes sound. (a) True (b) False
  40. 40.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) sound (c) light (d) heat

Answer key

  1. heat
  2. a traffic signal
  3. a computer
  4. gives electricity
  5. an electric kettle
  6. False
  7. sound
  8. True
  9. False
  10. a table fan
  11. a toaster
  12. False
  13. a mixer grinder
  14. a water heater
  15. gives electricity
  16. movement
  17. electrical energy
  18. light
  19. False
  20. a buzzer
  21. a school bell
  22. False
  23. a tube light
  24. a ceiling fan
  25. False
  26. uses electricity
  27. a street light
  28. an exhaust fan
  29. movement energy
  30. a refrigerator
  31. gives electricity
  32. True
  33. heat
  34. a cell
  35. electric current
  36. a ceiling fan
  37. a water heater
  38. True
  39. False
  40. light

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