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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 482 · 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 mainly makes movement? (a) a traffic signal (b) a mixer grinder (c) a buzzer (d) a doorbell
  2. 2.⚡ What does a tube light mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  3. 3.Which of these uses electricity? (a) a solar panel (b) a mobile phone (c) a bicycle dynamo (d) a wind turbine
  4. 4.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a computer (d) a wind turbine
  6. 6.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) electric current (d) sound
  7. 7.🔍 Which is the odd one out? (a) an electric drill (b) a mixer grinder (c) a doorbell (d) a table fan
  8. 8.Which of these gives us electricity? (a) a refrigerator (b) a television (c) an air conditioner (d) a bicycle dynamo
  9. 9.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) dust particles (c) water drops (d) electrons
  10. 10.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.⚡ What does a street light mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  12. 12.Which of these uses electricity? (a) a battery (b) a bicycle dynamo (c) a solar panel (d) a refrigerator
  13. 13.True or false: a water heater mainly makes movement. (a) False (b) True
  14. 14.Which of these mainly gives out light? (a) a school bell (b) a toaster (c) a torch (d) a water heater
  15. 15.True or false: a tube light mainly makes movement. (a) True (b) False
  16. 16.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) sound energy (c) light energy (d) movement energy
  17. 17.Which of these gives us electricity? (a) a washing machine (b) a television (c) a computer (d) a battery
  18. 18.Which of these mainly gives out heat? (a) a buzzer (b) an electric drill (c) a toaster (d) a traffic signal
  19. 19.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  20. 20.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  22. 22.True or false: an exhaust fan mainly gives out light. (a) False (b) True
  23. 23.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) sound energy (d) movement energy
  24. 24.⚡ What does a school bell mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  25. 25.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  26. 26.Which of these uses electricity? (a) a solar panel (b) a power station (c) a washing machine (d) a wind turbine
  27. 27.Which of these mainly gives out light? (a) a water heater (b) a room heater (c) a ceiling fan (d) a traffic signal
  28. 28.Which of these uses electricity? (a) an air conditioner (b) a generator (c) a cell (d) a battery
  29. 29.Which of these mainly makes sound? (a) a torch (b) a doorbell (c) an LED lamp (d) an electric kettle
  30. 30.🔍 Which is the odd one out? (a) a water heater (b) a torch (c) a tube light (d) an LED lamp
  31. 31.🔍 Which is the odd one out? (a) a siren (b) a buzzer (c) a school bell (d) an electric kettle
  32. 32.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.True or false: a tube light mainly gives out light. (a) False (b) True
  35. 35.🔍 Which is the odd one out? (a) a tube light (b) a toaster (c) a room heater (d) an electric iron
  36. 36.Which of these uses electricity? (a) a computer (b) a generator (c) a battery (d) a cell
  37. 37.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  38. 38.🔍 Which is the odd one out? (a) a siren (b) a school bell (c) an LED lamp (d) a loudspeaker
  39. 39.Which of these mainly gives out light? (a) an electric iron (b) a table fan (c) a street light (d) a loudspeaker
  40. 40.Which of these mainly gives out light? (a) a school bell (b) a room heater (c) a table fan (d) an LED lamp

Answer key

  1. a mixer grinder
  2. light
  3. a mobile phone
  4. gives electricity
  5. a wind turbine
  6. electric current
  7. a doorbell
  8. a bicycle dynamo
  9. electrons
  10. gives electricity
  11. light
  12. a refrigerator
  13. False
  14. a torch
  15. False
  16. movement energy
  17. a battery
  18. a toaster
  19. light energy
  20. uses electricity
  21. heat
  22. False
  23. movement energy
  24. sound
  25. light
  26. a washing machine
  27. a traffic signal
  28. an air conditioner
  29. a doorbell
  30. a water heater
  31. an electric kettle
  32. gives electricity
  33. gives electricity
  34. True
  35. a tube light
  36. a computer
  37. heat
  38. an LED lamp
  39. a street light
  40. an LED lamp

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