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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 835 · 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.True or false: a room heater mainly makes movement. (a) True (b) False
  2. 2.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) sound energy (d) nuclear energy
  3. 3.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) electric current (d) sound
  4. 4.Which of these mainly gives out heat? (a) an exhaust fan (b) a tube light (c) an electric toy car (d) a rice cooker
  5. 5.Which of these mainly gives out heat? (a) a table fan (b) a night lamp (c) an exhaust fan (d) an electric iron
  6. 6.Which of these mainly makes movement? (a) a mixer grinder (b) a rice cooker (c) a traffic signal (d) a toaster
  7. 7.Which of these mainly gives out light? (a) a table fan (b) a mixer grinder (c) a school bell (d) a torch
  8. 8.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.🔍 Which is the odd one out? (a) an LED lamp (b) a night lamp (c) a tube light (d) an exhaust fan
  10. 10.⚡ What does a table fan mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  11. 11.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.Which of these mainly gives out heat? (a) an electric kettle (b) a night lamp (c) a torch (d) an electric toy car
  13. 13.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.Which of these mainly makes movement? (a) a traffic signal (b) an electric iron (c) a ceiling fan (d) an electric kettle
  15. 15.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.Which of these mainly gives out light? (a) a toaster (b) a ceiling fan (c) a doorbell (d) a tube light
  17. 17.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) a water pump (d) a solar panel
  18. 18.🔍 Which is the odd one out? (a) a ceiling fan (b) an exhaust fan (c) a loudspeaker (d) a mixer grinder
  19. 19.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  20. 20.True or false: a night lamp mainly gives out heat. (a) True (b) False
  21. 21.Which of these gives us electricity? (a) an air conditioner (b) a washing machine (c) a mobile phone (d) a cell
  22. 22.⚡ What does a tube light mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  23. 23.Which of these uses electricity? (a) a solar panel (b) a bicycle dynamo (c) a television (d) a battery
  24. 24.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  25. 25.⚡ What does a doorbell mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  26. 26.🔍 Which is the odd one out? (a) an electric iron (b) a street light (c) a room heater (d) a rice cooker
  27. 27.True or false: a toaster mainly gives out heat. (a) False (b) True
  28. 28.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  29. 29.True or false: a torch mainly gives out light. (a) False (b) True
  30. 30.True or false: a night lamp mainly gives out light. (a) True (b) False
  31. 31.Which of these mainly makes sound? (a) a night lamp (b) a mixer grinder (c) a school bell (d) a room heater
  32. 32.🔍 Which is the odd one out? (a) a toaster (b) a table fan (c) a ceiling fan (d) an electric toy car
  33. 33.⚡ What does a torch mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  34. 34.True or false: a school bell mainly gives out light. (a) False (b) True
  35. 35.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  36. 36.True or false: an electric toy car mainly makes sound. (a) True (b) False
  37. 37.Which of these mainly gives out heat? (a) a water heater (b) a mixer grinder (c) a ceiling fan (d) a loudspeaker
  38. 38.True or false: a mixer grinder mainly gives out heat. (a) False (b) True
  39. 39.⚡ What does a buzzer mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  40. 40.Which of these uses electricity? (a) a generator (b) a cell (c) a solar panel (d) a washing machine

Answer key

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

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