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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 157 · 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 mainly gives out heat? (a) a mixer grinder (b) a buzzer (c) a rice cooker (d) a tube light
  2. 2.⚡ What does a doorbell mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  3. 3.⚡ What does a table fan mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  4. 4.Which of these mainly makes sound? (a) a table fan (b) a toaster (c) a siren (d) an electric kettle
  5. 5.🔍 Which is the odd one out? (a) a tube light (b) a street light (c) a buzzer (d) a torch
  6. 6.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.Which of these mainly gives out light? (a) a water heater (b) an electric iron (c) a table fan (d) a traffic signal
  8. 8.Which of these mainly gives out heat? (a) a room heater (b) a tube light (c) a school bell (d) a loudspeaker
  9. 9.Which of these mainly makes sound? (a) a street light (b) a doorbell (c) an exhaust fan (d) an electric toy car
  10. 10.🔍 Which is the odd one out? (a) a street light (b) an LED lamp (c) a tube light (d) a ceiling fan
  11. 11.Which of these uses electricity? (a) a wind turbine (b) a solar panel (c) a cell (d) a computer
  12. 12.⚡ What does a torch mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  13. 13.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  14. 14.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) nuclear energy (c) sound energy (d) wind energy
  15. 15.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  16. 16.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  17. 17.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  18. 18.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.🔍 Which is the odd one out? (a) an electric kettle (b) a rice cooker (c) a toaster (d) a traffic signal
  20. 20.True or false: a traffic signal mainly gives out heat. (a) True (b) False
  21. 21.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.Which of these mainly makes sound? (a) a room heater (b) a buzzer (c) an exhaust fan (d) a night lamp
  23. 23.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) chemical energy (c) sound energy (d) light energy
  24. 24.Which of these gives us electricity? (a) a cell (b) a computer (c) a mobile phone (d) an air conditioner
  25. 25.🔍 Which is the odd one out? (a) a loudspeaker (b) a doorbell (c) a buzzer (d) a mixer grinder
  26. 26.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  27. 27.Which of these gives us electricity? (a) a washing machine (b) a wind turbine (c) a refrigerator (d) an air conditioner
  28. 28.True or false: a table fan mainly gives out light. (a) True (b) False
  29. 29.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  30. 30.Which of these mainly gives out heat? (a) a buzzer (b) a water heater (c) a night lamp (d) an LED lamp
  31. 31.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.True or false: a torch mainly gives out light. (a) True (b) False
  33. 33.⚡ What does a room heater mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  34. 34.Which of these uses electricity? (a) a solar panel (b) a cell (c) an air conditioner (d) a battery
  35. 35.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) a magnet (d) sound
  36. 36.True or false: a room heater mainly gives out heat. (a) True (b) False
  37. 37.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  38. 38.Which of these mainly gives out light? (a) a street light (b) a water heater (c) a rice cooker (d) a siren
  39. 39.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  40. 40.⚡ What does a school bell mainly change electricity into? (a) heat (b) sound (c) light (d) movement

Answer key

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

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