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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 931 · 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 is the odd one out? (a) a rice cooker (b) a mixer grinder (c) an electric drill (d) a table fan
  2. 2.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.Which of these mainly gives out heat? (a) a doorbell (b) a toaster (c) a school bell (d) a tube light
  4. 4.🔍 Which is the odd one out? (a) an electric kettle (b) a loudspeaker (c) a buzzer (d) a siren
  5. 5.Which of these mainly makes sound? (a) a loudspeaker (b) a mixer grinder (c) a torch (d) a traffic signal
  6. 6.🔍 Which is the odd one out? (a) a ceiling fan (b) a torch (c) a mixer grinder (d) a table fan
  7. 7.⚡ What does an electric iron mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  8. 8.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.True or false: a room heater mainly gives out heat. (a) False (b) True
  10. 10.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) an air conditioner (d) a power station
  12. 12.Which of these uses electricity? (a) a generator (b) a water pump (c) a cell (d) a battery
  13. 13.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) light energy (c) chemical energy (d) sound energy
  14. 14.Which of these mainly makes sound? (a) an exhaust fan (b) a rice cooker (c) a toaster (d) a doorbell
  15. 15.🔍 Which is the odd one out? (a) a rice cooker (b) a water heater (c) a doorbell (d) an electric iron
  16. 16.🔍 Which is the odd one out? (a) a water heater (b) a torch (c) a tube light (d) a night lamp
  17. 17.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.Which of these mainly gives out heat? (a) a night lamp (b) a room heater (c) an LED lamp (d) a street light
  19. 19.True or false: a buzzer mainly makes movement. (a) False (b) True
  20. 20.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) sound (d) a magnet
  21. 21.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) a traffic signal (d) a loudspeaker
  22. 22.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) movement energy (d) light energy
  23. 23.Which of these gives us electricity? (a) a water pump (b) an air conditioner (c) a computer (d) a bicycle dynamo
  24. 24.⚡ What does a buzzer mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  25. 25.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  27. 27.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.True or false: a toaster mainly gives out heat. (a) False (b) True
  29. 29.Which of these uses electricity? (a) a generator (b) a cell (c) a washing machine (d) a power station
  30. 30.Which of these uses electricity? (a) a power station (b) a generator (c) a solar panel (d) a computer
  31. 31.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) electrical energy (d) sound energy
  32. 32.True or false: an electric kettle mainly makes movement. (a) False (b) True
  33. 33.Which of these mainly makes sound? (a) a buzzer (b) an electric toy car (c) a night lamp (d) a water heater
  34. 34.⚡ What does a room heater mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  35. 35.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.True or false: a table fan mainly makes movement. (a) False (b) True
  37. 37.Which of these mainly gives out heat? (a) a night lamp (b) a buzzer (c) a water heater (d) a traffic signal
  38. 38.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.🔍 Which is the odd one out? (a) a tube light (b) an LED lamp (c) a school bell (d) a street light
  40. 40.⚡ What does a night lamp mainly change electricity into? (a) light (b) heat (c) movement (d) sound

Answer key

  1. a rice cooker
  2. gives electricity
  3. a toaster
  4. an electric kettle
  5. a loudspeaker
  6. a torch
  7. heat
  8. gives electricity
  9. True
  10. uses electricity
  11. a power station
  12. a water pump
  13. movement energy
  14. a doorbell
  15. a doorbell
  16. a water heater
  17. gives electricity
  18. a room heater
  19. False
  20. electric current
  21. a traffic signal
  22. movement energy
  23. a bicycle dynamo
  24. sound
  25. uses electricity
  26. light
  27. gives electricity
  28. True
  29. a washing machine
  30. a computer
  31. electrical energy
  32. False
  33. a buzzer
  34. heat
  35. gives electricity
  36. True
  37. a water heater
  38. uses electricity
  39. a school bell
  40. light

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