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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 727 · 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 tube light (b) a street light (c) an LED lamp (d) a room heater
  2. 2.⚡ What does a rice cooker mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  3. 3.Which of these gives us electricity? (a) a bicycle dynamo (b) a water pump (c) a refrigerator (d) a television
  4. 4.True or false: a buzzer mainly gives out light. (a) True (b) False
  5. 5.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) electrical energy (c) sound energy (d) nuclear energy
  6. 6.Which of these mainly gives out light? (a) a water heater (b) an LED lamp (c) an electric toy car (d) a toaster
  7. 7.Which of these gives us electricity? (a) a mobile phone (b) a generator (c) a washing machine (d) a water pump
  8. 8.Which of these mainly gives out heat? (a) a room heater (b) an electric drill (c) a torch (d) an electric toy car
  9. 9.🔍 Which is the odd one out? (a) a rice cooker (b) a room heater (c) a loudspeaker (d) a water heater
  10. 10.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) a magnet (d) sound
  11. 11.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.🔍 Which is the odd one out? (a) a loudspeaker (b) a school bell (c) an electric drill (d) a buzzer
  13. 13.Which of these mainly gives out heat? (a) a street light (b) a rice cooker (c) a loudspeaker (d) a traffic signal
  14. 14.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  15. 15.True or false: a night lamp mainly gives out heat. (a) False (b) True
  16. 16.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) electrons (c) photons (d) dust particles
  17. 17.Which of these gives us electricity? (a) a refrigerator (b) a cell (c) a water pump (d) a mobile phone
  18. 18.True or false: an exhaust fan mainly makes sound. (a) True (b) False
  19. 19.🔍 Which is the odd one out? (a) a siren (b) an electric toy car (c) an electric drill (d) an exhaust fan
  20. 20.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) movement energy
  21. 21.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) an air conditioner (d) a power station
  22. 22.Which of these uses electricity? (a) a solar panel (b) a battery (c) a refrigerator (d) a cell
  23. 23.Which of these mainly makes movement? (a) a toaster (b) an electric toy car (c) an electric iron (d) a street light
  24. 24.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) a table fan (d) a street light
  25. 25.Which of these mainly makes sound? (a) a tube light (b) a loudspeaker (c) an electric drill (d) a toaster
  26. 26.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  28. 28.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) light energy (c) sound energy (d) chemical energy
  29. 29.Which of these mainly gives out heat? (a) a water heater (b) a buzzer (c) an exhaust fan (d) a tube light
  30. 30.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  31. 31.Which of these uses electricity? (a) a power station (b) an air conditioner (c) a battery (d) a cell
  32. 32.🔍 Which is the odd one out? (a) a loudspeaker (b) a doorbell (c) an electric toy car (d) a buzzer
  33. 33.Which of these mainly makes movement? (a) an electric iron (b) a school bell (c) an exhaust fan (d) an electric kettle
  34. 34.⚡ What does an LED lamp mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  35. 35.🔍 Which is the odd one out? (a) a doorbell (b) a rice cooker (c) a room heater (d) a water heater
  36. 36.True or false: an LED lamp mainly makes sound. (a) True (b) False
  37. 37.True or false: a room heater mainly makes movement. (a) True (b) False
  38. 38.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.True or false: an electric toy car mainly makes sound. (a) True (b) False
  40. 40.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) movement (c) heat (d) light

Answer key

  1. a room heater
  2. heat
  3. a bicycle dynamo
  4. False
  5. electrical energy
  6. an LED lamp
  7. a generator
  8. a room heater
  9. a loudspeaker
  10. electric current
  11. gives electricity
  12. an electric drill
  13. a rice cooker
  14. movement energy
  15. False
  16. electrons
  17. a cell
  18. False
  19. a siren
  20. movement energy
  21. a power station
  22. a refrigerator
  23. an electric toy car
  24. a table fan
  25. a loudspeaker
  26. uses electricity
  27. gives electricity
  28. light energy
  29. a water heater
  30. movement
  31. an air conditioner
  32. an electric toy car
  33. an exhaust fan
  34. light
  35. a doorbell
  36. False
  37. False
  38. gives electricity
  39. False
  40. light

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