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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 401 · 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 gives out heat? (a) a doorbell (b) a mixer grinder (c) an electric iron (d) a school bell
  2. 2.🔍 Which is the odd one out? (a) a ceiling fan (b) a mixer grinder (c) a night lamp (d) an electric drill
  3. 3.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  4. 4.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) wind energy (d) light energy
  5. 5.🔍 Which is the odd one out? (a) a siren (b) an electric iron (c) a water heater (d) a room heater
  6. 6.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  7. 7.🔍 Which is the odd one out? (a) a toaster (b) a buzzer (c) a room heater (d) a water heater
  8. 8.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  9. 9.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.Which of these gives us electricity? (a) a power station (b) a washing machine (c) a water pump (d) an air conditioner
  11. 11.Which of these mainly makes movement? (a) an electric iron (b) an exhaust fan (c) an electric kettle (d) a loudspeaker
  12. 12.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) chemical energy (c) movement energy (d) sound energy
  13. 13.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  15. 15.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) electrical energy (d) nuclear energy
  17. 17.🔍 Which is the odd one out? (a) a rice cooker (b) a torch (c) a night lamp (d) a street light
  18. 18.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  19. 19.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.Which of these mainly makes sound? (a) a rice cooker (b) a tube light (c) a traffic signal (d) a loudspeaker
  21. 21.True or false: a loudspeaker mainly gives out light. (a) True (b) False
  22. 22.Which of these gives us electricity? (a) an air conditioner (b) a bicycle dynamo (c) a washing machine (d) a refrigerator
  23. 23.Which of these uses electricity? (a) a battery (b) a generator (c) a power station (d) a water pump
  24. 24.True or false: a street light mainly gives out heat. (a) True (b) False
  25. 25.⚡ What does an electric iron mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  26. 26.Which of these mainly gives out light? (a) a doorbell (b) a school bell (c) a tube light (d) an exhaust fan
  27. 27.⚡ What does a table fan mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  28. 28.True or false: a table fan mainly makes movement. (a) False (b) True
  29. 29.Which of these uses electricity? (a) a wind turbine (b) a battery (c) a television (d) a solar panel
  30. 30.Which of these mainly makes movement? (a) an electric drill (b) a night lamp (c) an electric kettle (d) a torch
  31. 31.Which of these mainly gives out light? (a) a toaster (b) a water heater (c) a doorbell (d) an LED lamp
  32. 32.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.Which of these mainly gives out heat? (a) a water heater (b) a doorbell (c) a loudspeaker (d) a table fan
  34. 34.⚡ What does a room heater mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  35. 35.Which of these gives us electricity? (a) a refrigerator (b) a washing machine (c) a mobile phone (d) a solar panel
  36. 36.🔍 Which is the odd one out? (a) an electric iron (b) a tube light (c) a rice cooker (d) a toaster
  37. 37.True or false: a siren mainly makes sound. (a) False (b) True
  38. 38.Which of these mainly makes movement? (a) a ceiling fan (b) an electric iron (c) a loudspeaker (d) a doorbell
  39. 39.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  40. 40.Which of these gives us electricity? (a) a refrigerator (b) a battery (c) a television (d) a mobile phone

Answer key

  1. an electric iron
  2. a night lamp
  3. electric current
  4. light energy
  5. a siren
  6. electrons
  7. a buzzer
  8. light
  9. gives electricity
  10. a power station
  11. an exhaust fan
  12. movement energy
  13. gives electricity
  14. movement energy
  15. uses electricity
  16. electrical energy
  17. a rice cooker
  18. True
  19. gives electricity
  20. a loudspeaker
  21. False
  22. a bicycle dynamo
  23. a water pump
  24. False
  25. heat
  26. a tube light
  27. movement
  28. True
  29. a television
  30. an electric drill
  31. an LED lamp
  32. uses electricity
  33. a water heater
  34. heat
  35. a solar panel
  36. a tube light
  37. True
  38. a ceiling fan
  39. gives electricity
  40. a battery

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