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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 47 · 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.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  2. 2.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  3. 3.⚡ What does a night lamp mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  4. 4.⚡ What does an LED lamp mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  5. 5.True or false: an electric iron mainly gives out heat. (a) False (b) True
  6. 6.⚡ What does a torch mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  7. 7.Which of these mainly makes movement? (a) a toaster (b) a traffic signal (c) a street light (d) a ceiling fan
  8. 8.🔍 Which is the odd one out? (a) a night lamp (b) a torch (c) a buzzer (d) an LED lamp
  9. 9.True or false: a room heater mainly makes sound. (a) True (b) False
  10. 10.⚡ What does a doorbell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  11. 11.Which of these uses electricity? (a) a solar panel (b) a wind turbine (c) a cell (d) a washing machine
  12. 12.Which of these gives us electricity? (a) a water pump (b) a mobile phone (c) a power station (d) a computer
  13. 13.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  14. 14.Which of these gives us electricity? (a) a television (b) an air conditioner (c) a battery (d) a water pump
  15. 15.True or false: an electric drill mainly makes movement. (a) False (b) True
  16. 16.Which of these mainly makes sound? (a) a rice cooker (b) a night lamp (c) a torch (d) a loudspeaker
  17. 17.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) dust particles (d) water drops
  18. 18.⚡ What does a toaster mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  19. 19.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.True or false: an electric kettle mainly gives out light. (a) False (b) True
  21. 21.🔍 Which is the odd one out? (a) a loudspeaker (b) a doorbell (c) a siren (d) a rice cooker
  22. 22.Which of these mainly gives out light? (a) an electric kettle (b) a toaster (c) a night lamp (d) an electric toy car
  23. 23.🔍 Which is the odd one out? (a) a ceiling fan (b) a table fan (c) an electric toy car (d) a night lamp
  24. 24.⚡ What does a street light mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  25. 25.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  26. 26.True or false: a street light mainly gives out light. (a) True (b) False
  27. 27.⚡ What does an electric toy car mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  28. 28.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  29. 29.⚡ What does a siren mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  30. 30.True or false: a table fan mainly makes movement. (a) False (b) True
  31. 31.Which of these gives us electricity? (a) a water pump (b) a washing machine (c) a computer (d) a solar panel
  32. 32.Which of these mainly gives out light? (a) an electric kettle (b) a room heater (c) a mixer grinder (d) a traffic signal
  33. 33.Which of these mainly gives out light? (a) a water heater (b) an electric kettle (c) a mixer grinder (d) a street light
  34. 34.Which of these uses electricity? (a) a solar panel (b) a power station (c) a computer (d) a battery
  35. 35.Which of these gives us electricity? (a) a computer (b) a wind turbine (c) a mobile phone (d) a water pump
  36. 36.Which of these mainly makes sound? (a) an electric toy car (b) an LED lamp (c) a school bell (d) a mixer grinder
  37. 37.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  38. 38.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) nuclear energy (d) sound energy
  40. 40.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

  1. heat
  2. light
  3. light
  4. light
  5. True
  6. light
  7. a ceiling fan
  8. a buzzer
  9. False
  10. sound
  11. a washing machine
  12. a power station
  13. movement energy
  14. a battery
  15. True
  16. a loudspeaker
  17. electrons
  18. heat
  19. gives electricity
  20. False
  21. a rice cooker
  22. a night lamp
  23. a night lamp
  24. light
  25. movement
  26. True
  27. movement
  28. uses electricity
  29. sound
  30. True
  31. a solar panel
  32. a traffic signal
  33. a street light
  34. a computer
  35. a wind turbine
  36. a school bell
  37. movement
  38. gives electricity
  39. electrical energy
  40. gives electricity

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