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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 872 · 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 generator (b) a water pump (c) a bicycle dynamo (d) a solar panel
  2. 2.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) movement energy (d) chemical energy
  3. 3.🔍 Which is the odd one out? (a) a buzzer (b) a loudspeaker (c) a traffic signal (d) a doorbell
  4. 4.True or false: a traffic signal mainly gives out light. (a) True (b) False
  5. 5.Which of these mainly makes sound? (a) an exhaust fan (b) a toaster (c) a rice cooker (d) a school bell
  6. 6.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.Which of these mainly makes movement? (a) a night lamp (b) a room heater (c) a torch (d) a mixer grinder
  8. 8.🔍 Which is the odd one out? (a) a street light (b) an electric kettle (c) an LED lamp (d) a traffic signal
  9. 9.Which of these uses electricity? (a) a wind turbine (b) a television (c) a solar panel (d) a cell
  10. 10.⚡ What does a doorbell mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  11. 11.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  12. 12.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  13. 13.⚡ What does a table fan mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  14. 14.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  15. 15.🔍 Which is the odd one out? (a) a rice cooker (b) an electric toy car (c) an exhaust fan (d) an electric drill
  16. 16.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  17. 17.True or false: a night lamp mainly makes sound. (a) False (b) True
  18. 18.Which of these mainly gives out light? (a) a doorbell (b) a tube light (c) a toaster (d) an electric iron
  19. 19.🔍 Which is the odd one out? (a) a siren (b) a school bell (c) a doorbell (d) a room heater
  20. 20.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) sound energy (d) chemical energy
  21. 21.True or false: a doorbell mainly makes sound. (a) True (b) False
  22. 22.True or false: a ceiling fan mainly gives out light. (a) True (b) False
  23. 23.Which of these mainly makes movement? (a) a street light (b) an exhaust fan (c) a room heater (d) a buzzer
  24. 24.Which of these mainly gives out light? (a) a ceiling fan (b) a traffic signal (c) a siren (d) an electric drill
  25. 25.Which of these uses electricity? (a) a washing machine (b) a battery (c) a solar panel (d) a wind turbine
  26. 26.🔍 Which is the odd one out? (a) a rice cooker (b) a water heater (c) a toaster (d) a doorbell
  27. 27.True or false: a torch mainly gives out heat. (a) True (b) False
  28. 28.Which of these mainly gives out heat? (a) a street light (b) a toaster (c) an exhaust fan (d) a night lamp
  29. 29.Which of these mainly gives out heat? (a) an electric iron (b) a night lamp (c) an LED lamp (d) a traffic signal
  30. 30.Which of these mainly gives out heat? (a) a mixer grinder (b) a doorbell (c) a tube light (d) a rice cooker
  31. 31.⚡ What does a siren mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  32. 32.True or false: a siren mainly gives out heat. (a) False (b) True
  33. 33.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.⚡ What does an electric iron mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  35. 35.⚡ What does a street light mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  36. 36.Which of these gives us electricity? (a) a battery (b) a water pump (c) a mobile phone (d) a washing machine
  37. 37.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  38. 38.Which of these mainly gives out light? (a) a water heater (b) an electric toy car (c) an LED lamp (d) a rice cooker
  39. 39.🔍 Which is the odd one out? (a) an LED lamp (b) a loudspeaker (c) a school bell (d) a buzzer
  40. 40.True or false: a buzzer mainly makes sound. (a) True (b) False

Answer key

  1. a water pump
  2. movement energy
  3. a traffic signal
  4. True
  5. a school bell
  6. uses electricity
  7. a mixer grinder
  8. an electric kettle
  9. a television
  10. sound
  11. light
  12. gives electricity
  13. movement
  14. movement energy
  15. a rice cooker
  16. heat
  17. False
  18. a tube light
  19. a room heater
  20. light energy
  21. True
  22. False
  23. an exhaust fan
  24. a traffic signal
  25. a washing machine
  26. a doorbell
  27. False
  28. a toaster
  29. an electric iron
  30. a rice cooker
  31. sound
  32. False
  33. uses electricity
  34. heat
  35. light
  36. a battery
  37. light
  38. an LED lamp
  39. an LED lamp
  40. True

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