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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 99 · 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 gives us electricity? (a) a cell (b) a refrigerator (c) a mobile phone (d) an air conditioner
  2. 2.Which of these mainly gives out light? (a) a rice cooker (b) a mixer grinder (c) a toaster (d) an LED lamp
  3. 3.Which of these mainly gives out light? (a) a school bell (b) an electric kettle (c) a street light (d) a water heater
  4. 4.Which of these gives us electricity? (a) a wind turbine (b) a mobile phone (c) an air conditioner (d) a refrigerator
  5. 5.True or false: a tube light mainly gives out heat. (a) True (b) False
  6. 6.Which of these mainly makes sound? (a) a mixer grinder (b) an exhaust fan (c) a torch (d) a doorbell
  7. 7.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.🔍 Which is the odd one out? (a) a toaster (b) a buzzer (c) an electric iron (d) an electric kettle
  9. 9.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.Which of these mainly gives out light? (a) a water heater (b) a tube light (c) a doorbell (d) a loudspeaker
  11. 11.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  12. 12.Which of these gives us electricity? (a) a battery (b) a television (c) a refrigerator (d) a water pump
  13. 13.Which of these mainly gives out heat? (a) a buzzer (b) a loudspeaker (c) a room heater (d) a table fan
  14. 14.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.True or false: a school bell mainly makes sound. (a) True (b) False
  16. 16.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  18. 18.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) movement energy (c) light energy (d) sound energy
  19. 19.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  20. 20.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.True or false: a table fan mainly makes movement. (a) True (b) False
  22. 22.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  23. 23.True or false: an LED lamp mainly makes sound. (a) False (b) True
  24. 24.True or false: an electric kettle mainly gives out light. (a) True (b) False
  25. 25.🔍 Which is the odd one out? (a) a water heater (b) a table fan (c) an electric drill (d) a ceiling fan
  26. 26.Which of these mainly makes movement? (a) a mixer grinder (b) a street light (c) a buzzer (d) a siren
  27. 27.Which of these mainly gives out light? (a) an electric kettle (b) an electric drill (c) a room heater (d) a traffic signal
  28. 28.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  29. 29.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  30. 30.Which of these uses electricity? (a) a wind turbine (b) a generator (c) a television (d) a solar panel
  31. 31.⚡ What does an electric toy car mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  32. 32.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  33. 33.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) electric current (d) a magnet
  34. 34.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  35. 35.🔍 Which is the odd one out? (a) a water heater (b) a traffic signal (c) a room heater (d) an electric kettle
  36. 36.🔍 Which is the odd one out? (a) a torch (b) a room heater (c) an LED lamp (d) a street light
  37. 37.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  38. 38.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  39. 39.True or false: a water heater mainly gives out light. (a) False (b) True
  40. 40.⚡ What does an electric drill mainly change electricity into? (a) light (b) movement (c) sound (d) heat

Answer key

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

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