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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 377 · 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 uses electricity? (a) a television (b) a cell (c) a battery (d) a bicycle dynamo
  2. 2.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  3. 3.Which of these uses electricity? (a) a water pump (b) a cell (c) a solar panel (d) a bicycle dynamo
  4. 4.Which of these mainly makes movement? (a) an LED lamp (b) an electric kettle (c) a night lamp (d) a table fan
  5. 5.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  6. 6.True or false: a table fan mainly makes movement. (a) False (b) True
  7. 7.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.⚡ What does an electric kettle mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  9. 9.⚡ What does an electric drill mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  10. 10.Which of these mainly makes movement? (a) a torch (b) an exhaust fan (c) a loudspeaker (d) an electric iron
  11. 11.⚡ What does a school bell mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  12. 12.🔍 Which is the odd one out? (a) an electric drill (b) an LED lamp (c) a mixer grinder (d) a ceiling fan
  13. 13.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.True or false: a mixer grinder mainly gives out heat. (a) False (b) True
  15. 15.⚡ What does a room heater mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  16. 16.True or false: a torch mainly makes sound. (a) False (b) True
  17. 17.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) movement energy (c) chemical energy (d) sound energy
  18. 18.🔍 Which is the odd one out? (a) an electric toy car (b) an electric drill (c) a doorbell (d) a mixer grinder
  19. 19.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) movement energy (d) sound energy
  20. 20.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.True or false: an exhaust fan mainly makes movement. (a) False (b) True
  22. 22.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  23. 23.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a computer (d) a power station
  24. 24.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) electrons (d) photons
  26. 26.Which of these gives us electricity? (a) a computer (b) a cell (c) a refrigerator (d) a water pump
  27. 27.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  28. 28.Which of these mainly makes movement? (a) a loudspeaker (b) a rice cooker (c) a torch (d) a ceiling fan
  29. 29.Which of these mainly makes sound? (a) a doorbell (b) an exhaust fan (c) an LED lamp (d) a table fan
  30. 30.Which of these gives us electricity? (a) a solar panel (b) an air conditioner (c) a computer (d) a refrigerator
  31. 31.True or false: an electric toy car mainly gives out heat. (a) True (b) False
  32. 32.Which of these gives us electricity? (a) an air conditioner (b) a generator (c) a refrigerator (d) a mobile phone
  33. 33.⚡ What does a torch mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  34. 34.🔍 Which is the odd one out? (a) an LED lamp (b) a street light (c) a torch (d) a toaster
  35. 35.True or false: an electric iron mainly makes sound. (a) True (b) False
  36. 36.True or false: an LED lamp mainly gives out heat. (a) False (b) True
  37. 37.True or false: a toaster mainly makes movement. (a) False (b) True
  38. 38.Which of these uses electricity? (a) a battery (b) an air conditioner (c) a wind turbine (d) a generator
  39. 39.🔍 Which is the odd one out? (a) a loudspeaker (b) a water heater (c) an electric iron (d) an electric kettle
  40. 40.⚡ What does a water heater mainly change electricity into? (a) sound (b) light (c) movement (d) heat

Answer key

  1. a television
  2. light
  3. a water pump
  4. a table fan
  5. True
  6. True
  7. uses electricity
  8. heat
  9. movement
  10. an exhaust fan
  11. sound
  12. an LED lamp
  13. gives electricity
  14. False
  15. heat
  16. False
  17. movement energy
  18. a doorbell
  19. movement energy
  20. uses electricity
  21. True
  22. movement
  23. a power station
  24. uses electricity
  25. electrons
  26. a cell
  27. False
  28. a ceiling fan
  29. a doorbell
  30. a solar panel
  31. False
  32. a generator
  33. light
  34. a toaster
  35. False
  36. False
  37. False
  38. an air conditioner
  39. a loudspeaker
  40. heat

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