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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 286 · 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.

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

Answer key

  1. a school bell
  2. False
  3. heat
  4. a solar panel
  5. False
  6. light energy
  7. True
  8. a wind turbine
  9. movement
  10. an electric iron
  11. heat
  12. a toaster
  13. an electric iron
  14. a buzzer
  15. a toaster
  16. electric current
  17. True
  18. False
  19. movement
  20. a generator
  21. True
  22. light
  23. True
  24. a night lamp
  25. light
  26. uses electricity
  27. movement energy
  28. uses electricity
  29. gives electricity
  30. electrons
  31. a ceiling fan
  32. an electric drill
  33. gives electricity
  34. heat
  35. an LED lamp
  36. a loudspeaker
  37. a rice cooker
  38. True
  39. False
  40. light

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