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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 788 · 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.True or false: a ceiling fan mainly gives out light. (a) False (b) True
  2. 2.True or false: an electric iron mainly gives out heat. (a) True (b) False
  3. 3.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.🔍 Which is the odd one out? (a) an LED lamp (b) a torch (c) a water heater (d) a traffic signal
  5. 5.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) electrons (d) dust particles
  6. 6.Which of these uses electricity? (a) a wind turbine (b) a battery (c) a solar panel (d) a refrigerator
  7. 7.🔍 Which is the odd one out? (a) a table fan (b) an electric drill (c) a school bell (d) a ceiling fan
  8. 8.True or false: a room heater mainly gives out heat. (a) True (b) False
  9. 9.True or false: an electric toy car mainly makes sound. (a) False (b) True
  10. 10.🔍 Which is the odd one out? (a) a table fan (b) a torch (c) a ceiling fan (d) an exhaust fan
  11. 11.Which of these gives us electricity? (a) a computer (b) a battery (c) a television (d) an air conditioner
  12. 12.⚡ What does a siren mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  13. 13.⚡ What does a tube light mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  14. 14.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  15. 15.🔍 Which is the odd one out? (a) a traffic signal (b) a street light (c) a torch (d) a rice cooker
  16. 16.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  18. 18.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.Which of these mainly makes movement? (a) an electric iron (b) a tube light (c) a night lamp (d) an electric drill
  20. 20.True or false: a loudspeaker mainly gives out light. (a) False (b) True
  21. 21.⚡ What does an electric iron mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  22. 22.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.Which of these mainly makes sound? (a) a mixer grinder (b) an electric iron (c) a buzzer (d) an electric drill
  24. 24.Which of these uses electricity? (a) a wind turbine (b) a battery (c) a mobile phone (d) a solar panel
  25. 25.Which of these gives us electricity? (a) a television (b) a refrigerator (c) an air conditioner (d) a cell
  26. 26.Which of these mainly makes movement? (a) a buzzer (b) a rice cooker (c) an electric kettle (d) a mixer grinder
  27. 27.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) sound energy (c) movement energy (d) chemical energy
  28. 28.Which of these uses electricity? (a) a solar panel (b) a washing machine (c) a power station (d) a wind turbine
  29. 29.Which of these mainly makes sound? (a) an LED lamp (b) a toaster (c) a doorbell (d) an electric iron
  30. 30.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) electric current (d) sound
  31. 31.⚡ What does a night lamp mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  32. 32.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) movement energy (d) light energy
  33. 33.Which of these mainly gives out light? (a) a loudspeaker (b) a doorbell (c) an LED lamp (d) a buzzer
  34. 34.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  35. 35.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  36. 36.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  37. 37.Which of these mainly gives out light? (a) an electric toy car (b) a rice cooker (c) a street light (d) a doorbell
  38. 38.⚡ What does a loudspeaker mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  39. 39.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) wind energy
  40. 40.True or false: a buzzer mainly gives out light. (a) False (b) True

Answer key

  1. False
  2. True
  3. gives electricity
  4. a water heater
  5. electrons
  6. a refrigerator
  7. a school bell
  8. True
  9. False
  10. a torch
  11. a battery
  12. sound
  13. light
  14. uses electricity
  15. a rice cooker
  16. uses electricity
  17. True
  18. uses electricity
  19. an electric drill
  20. False
  21. heat
  22. gives electricity
  23. a buzzer
  24. a mobile phone
  25. a cell
  26. a mixer grinder
  27. movement energy
  28. a washing machine
  29. a doorbell
  30. electric current
  31. light
  32. movement energy
  33. an LED lamp
  34. heat
  35. True
  36. True
  37. a street light
  38. sound
  39. light energy
  40. False

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