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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 146 · 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.

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

Answer key

  1. electrons
  2. heat
  3. an electric toy car
  4. a toaster
  5. light energy
  6. a computer
  7. a tube light
  8. gives electricity
  9. a ceiling fan
  10. True
  11. movement
  12. a mixer grinder
  13. heat
  14. gives electricity
  15. a street light
  16. uses electricity
  17. gives electricity
  18. a siren
  19. a tube light
  20. an electric kettle
  21. movement energy
  22. False
  23. a power station
  24. a loudspeaker
  25. electric current
  26. an air conditioner
  27. False
  28. a generator
  29. a rice cooker
  30. False
  31. light
  32. a mixer grinder
  33. True
  34. an electric iron
  35. a television
  36. a school bell
  37. movement
  38. light
  39. True
  40. sound

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