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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 156 · 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 street light mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  2. 2.Which of these gives us electricity? (a) an air conditioner (b) a refrigerator (c) a battery (d) a computer
  3. 3.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) chemical energy (d) light energy
  4. 4.True or false: a rice cooker mainly gives out light. (a) True (b) False
  5. 5.Which of these uses electricity? (a) a bicycle dynamo (b) a generator (c) a television (d) a battery
  6. 6.Which of these mainly gives out light? (a) a table fan (b) a ceiling fan (c) a street light (d) an exhaust fan
  7. 7.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.⚡ What does a doorbell mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  9. 9.Which of these mainly makes sound? (a) a room heater (b) a water heater (c) a buzzer (d) a traffic signal
  10. 10.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  11. 11.🔍 Which is the odd one out? (a) an electric kettle (b) a toaster (c) an electric iron (d) a school bell
  12. 12.Which of these mainly gives out light? (a) an LED lamp (b) a buzzer (c) a water heater (d) a mixer grinder
  13. 13.True or false: a traffic signal mainly makes sound. (a) False (b) True
  14. 14.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) a magnet (d) friction
  15. 15.Which of these gives us electricity? (a) a mobile phone (b) a television (c) a computer (d) a power station
  16. 16.True or false: a room heater mainly gives out light. (a) True (b) False
  17. 17.🔍 Which is the odd one out? (a) a ceiling fan (b) a toaster (c) a rice cooker (d) a room heater
  18. 18.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.Which of these mainly makes movement? (a) an exhaust fan (b) a night lamp (c) an electric kettle (d) a room heater
  20. 20.Which of these uses electricity? (a) a computer (b) a wind turbine (c) a cell (d) a bicycle dynamo
  21. 21.🔍 Which is the odd one out? (a) a table fan (b) an electric toy car (c) an electric drill (d) a buzzer
  22. 22.True or false: a water heater mainly gives out heat. (a) True (b) False
  23. 23.Which of these uses electricity? (a) a power station (b) a washing machine (c) a wind turbine (d) a cell
  24. 24.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.Which of these mainly gives out heat? (a) a school bell (b) a torch (c) a water heater (d) a street light
  26. 26.Which of these mainly gives out heat? (a) an exhaust fan (b) an electric iron (c) a ceiling fan (d) a torch
  27. 27.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  28. 28.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  31. 31.True or false: a school bell mainly makes movement. (a) True (b) False
  32. 32.⚡ What does a torch mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  33. 33.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  34. 34.True or false: a school bell mainly makes sound. (a) False (b) True
  35. 35.Which of these mainly gives out light? (a) a rice cooker (b) a table fan (c) a room heater (d) a traffic signal
  36. 36.⚡ What does a night lamp mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  37. 37.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  38. 38.Which of these mainly gives out light? (a) a mixer grinder (b) a room heater (c) a tube light (d) an electric kettle
  39. 39.Which of these uses electricity? (a) a solar panel (b) a bicycle dynamo (c) a battery (d) a water pump
  40. 40.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) wind energy (d) nuclear energy

Answer key

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

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