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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 904 · 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.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  2. 2.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) dust particles (d) electrons
  3. 3.Which of these gives us electricity? (a) a wind turbine (b) a computer (c) a refrigerator (d) an air conditioner
  4. 4.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.🔍 Which is the odd one out? (a) a toaster (b) an electric iron (c) an electric kettle (d) an electric drill
  6. 6.True or false: a ceiling fan mainly makes sound. (a) True (b) False
  7. 7.🔍 Which is the odd one out? (a) a mixer grinder (b) an LED lamp (c) a street light (d) a night lamp
  8. 8.Which of these mainly makes movement? (a) a loudspeaker (b) an electric kettle (c) a school bell (d) a ceiling fan
  9. 9.🔍 Which is the odd one out? (a) a rice cooker (b) a torch (c) an LED lamp (d) a tube light
  10. 10.True or false: a toaster mainly makes movement. (a) True (b) False
  11. 11.⚡ What does a room heater mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  12. 12.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric drill (c) an exhaust fan (d) a siren
  13. 13.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  14. 14.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  15. 15.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.⚡ What does a buzzer mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  17. 17.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  18. 18.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  19. 19.Which of these mainly makes sound? (a) a ceiling fan (b) an electric drill (c) a traffic signal (d) a doorbell
  20. 20.⚡ What does a water heater mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  21. 21.🔍 Which is the odd one out? (a) a loudspeaker (b) an electric toy car (c) a doorbell (d) a buzzer
  22. 22.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) light energy (d) chemical energy
  23. 23.🔍 Which is the odd one out? (a) a ceiling fan (b) a toaster (c) an exhaust fan (d) an electric toy car
  24. 24.⚡ What does a tube light mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  25. 25.Which of these mainly gives out heat? (a) an electric kettle (b) a siren (c) an LED lamp (d) a loudspeaker
  26. 26.True or false: a torch mainly gives out light. (a) True (b) False
  27. 27.🔍 Which is the odd one out? (a) a toaster (b) a table fan (c) a room heater (d) a rice cooker
  28. 28.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) electrical energy (d) sound energy
  29. 29.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.True or false: an LED lamp mainly gives out light. (a) True (b) False
  31. 31.🔍 Which is the odd one out? (a) an electric iron (b) an electric drill (c) an electric toy car (d) a mixer grinder
  32. 32.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) a magnet (d) electric current
  33. 33.True or false: an electric toy car mainly makes movement. (a) False (b) True
  34. 34.⚡ What does a siren mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  35. 35.Which of these mainly makes movement? (a) a water heater (b) an LED lamp (c) a toaster (d) an electric toy car
  36. 36.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.Which of these uses electricity? (a) a cell (b) a solar panel (c) a computer (d) a wind turbine
  38. 38.🔍 Which is the odd one out? (a) an electric iron (b) an electric kettle (c) a night lamp (d) a toaster
  39. 39.Which of these mainly gives out light? (a) an electric kettle (b) a buzzer (c) an LED lamp (d) a school bell
  40. 40.Which of these mainly gives out heat? (a) a school bell (b) a rice cooker (c) a ceiling fan (d) a tube light

Answer key

  1. uses electricity
  2. electrons
  3. a wind turbine
  4. uses electricity
  5. an electric drill
  6. False
  7. a mixer grinder
  8. a ceiling fan
  9. a rice cooker
  10. False
  11. heat
  12. a siren
  13. movement energy
  14. movement
  15. uses electricity
  16. sound
  17. light
  18. uses electricity
  19. a doorbell
  20. heat
  21. an electric toy car
  22. movement energy
  23. a toaster
  24. light
  25. an electric kettle
  26. True
  27. a table fan
  28. electrical energy
  29. uses electricity
  30. True
  31. an electric iron
  32. electric current
  33. True
  34. sound
  35. an electric toy car
  36. gives electricity
  37. a computer
  38. a night lamp
  39. an LED lamp
  40. a rice cooker

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