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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 699 · 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 a rice cooker mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  2. 2.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  3. 3.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  4. 4.Which of these uses electricity? (a) a solar panel (b) a water pump (c) a cell (d) a bicycle dynamo
  5. 5.⚡ What does a doorbell mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  6. 6.True or false: a night lamp mainly makes movement. (a) False (b) True
  7. 7.Which of these mainly makes movement? (a) a water heater (b) a buzzer (c) an electric toy car (d) an LED lamp
  8. 8.Which of these mainly makes sound? (a) a mixer grinder (b) a night lamp (c) a torch (d) a doorbell
  9. 9.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) light energy (c) sound energy (d) chemical energy
  10. 10.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) nuclear energy (c) wind energy (d) electrical energy
  11. 11.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  12. 12.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) wind energy
  13. 13.True or false: a traffic signal mainly gives out light. (a) False (b) True
  14. 14.🔍 Which is the odd one out? (a) an electric kettle (b) a toaster (c) a school bell (d) an electric iron
  15. 15.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) sound (d) a magnet
  16. 16.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.Which of these uses electricity? (a) a bicycle dynamo (b) a television (c) a battery (d) a cell
  19. 19.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  21. 21.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.Which of these mainly gives out heat? (a) an electric toy car (b) a tube light (c) a torch (d) an electric iron
  23. 23.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  24. 24.Which of these mainly makes sound? (a) a night lamp (b) a buzzer (c) a mixer grinder (d) an electric kettle
  25. 25.Which of these uses electricity? (a) a mobile phone (b) a generator (c) a wind turbine (d) a power station
  26. 26.🔍 Which is the odd one out? (a) a water heater (b) an electric iron (c) a street light (d) a rice cooker
  27. 27.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.True or false: a table fan mainly gives out heat. (a) True (b) False
  29. 29.🔍 Which is the odd one out? (a) an electric iron (b) a room heater (c) an LED lamp (d) an electric kettle
  30. 30.🔍 Which is the odd one out? (a) an electric iron (b) a rice cooker (c) a torch (d) an electric kettle
  31. 31.True or false: an electric toy car mainly makes movement. (a) False (b) True
  32. 32.Which of these mainly gives out light? (a) an electric kettle (b) a mixer grinder (c) a toaster (d) a tube light
  33. 33.⚡ What does an electric iron mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  34. 34.Which of these mainly gives out heat? (a) a table fan (b) an LED lamp (c) a room heater (d) a tube light
  35. 35.Which of these gives us electricity? (a) a computer (b) a water pump (c) a generator (d) a mobile phone
  36. 36.Which of these gives us electricity? (a) a water pump (b) a solar panel (c) a television (d) a refrigerator
  37. 37.Which of these mainly gives out heat? (a) an electric kettle (b) a night lamp (c) a ceiling fan (d) a traffic signal
  38. 38.⚡ What does a water heater mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  39. 39.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric toy car (c) a toaster (d) an exhaust fan
  40. 40.True or false: a loudspeaker mainly makes sound. (a) False (b) True

Answer key

  1. heat
  2. movement
  3. True
  4. a water pump
  5. sound
  6. False
  7. an electric toy car
  8. a doorbell
  9. movement energy
  10. electrical energy
  11. sound
  12. light energy
  13. True
  14. a school bell
  15. electric current
  16. gives electricity
  17. uses electricity
  18. a television
  19. gives electricity
  20. movement
  21. uses electricity
  22. an electric iron
  23. movement
  24. a buzzer
  25. a mobile phone
  26. a street light
  27. gives electricity
  28. False
  29. an LED lamp
  30. a torch
  31. True
  32. a tube light
  33. heat
  34. a room heater
  35. a generator
  36. a solar panel
  37. an electric kettle
  38. heat
  39. a toaster
  40. True

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