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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 393 · 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: an electric drill mainly makes movement. (a) False (b) True
  2. 2.Which of these mainly makes sound? (a) a school bell (b) a tube light (c) a street light (d) an LED lamp
  3. 3.⚡ What does a street light mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  4. 4.True or false: a loudspeaker mainly makes movement. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) a doorbell (b) a mixer grinder (c) a ceiling fan (d) an exhaust fan
  6. 6.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  7. 7.🔍 Which is the odd one out? (a) a water heater (b) a tube light (c) a torch (d) a night lamp
  8. 8.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.⚡ What does a toaster mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  10. 10.🔍 Which is the odd one out? (a) a rice cooker (b) a doorbell (c) a loudspeaker (d) a buzzer
  11. 11.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) sound (d) electric current
  12. 12.Which of these mainly makes sound? (a) an exhaust fan (b) a night lamp (c) a loudspeaker (d) a table fan
  13. 13.⚡ What does an electric iron mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  14. 14.Which of these mainly makes movement? (a) an electric kettle (b) a traffic signal (c) a doorbell (d) an electric drill
  15. 15.Which of these mainly gives out light? (a) an electric kettle (b) an electric drill (c) a traffic signal (d) a doorbell
  16. 16.⚡ What does an LED lamp mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  17. 17.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) electrical energy (c) nuclear energy (d) sound energy
  18. 18.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) wind energy
  19. 19.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  20. 20.Which of these uses electricity? (a) a mobile phone (b) a generator (c) a solar panel (d) a power station
  21. 21.True or false: a siren mainly gives out light. (a) True (b) False
  22. 22.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  23. 23.🔍 Which is the odd one out? (a) a night lamp (b) a table fan (c) an exhaust fan (d) an electric toy car
  24. 24.True or false: a ceiling fan mainly gives out light. (a) False (b) True
  25. 25.Which of these mainly gives out heat? (a) a mixer grinder (b) an LED lamp (c) a traffic signal (d) a toaster
  26. 26.Which of these mainly makes movement? (a) a toaster (b) a table fan (c) an LED lamp (d) a tube light
  27. 27.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) movement energy (d) sound energy
  28. 28.🔍 Which is the odd one out? (a) a torch (b) a traffic signal (c) a tube light (d) an electric iron
  29. 29.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  30. 30.⚡ What does an electric toy car mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  31. 31.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.🔍 Which is the odd one out? (a) a room heater (b) an electric iron (c) a rice cooker (d) a street light
  34. 34.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  35. 35.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  36. 36.Which of these mainly gives out light? (a) a siren (b) a room heater (c) an electric toy car (d) a tube light
  37. 37.Which of these gives us electricity? (a) a computer (b) a television (c) a wind turbine (d) a refrigerator
  38. 38.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  39. 39.Which of these gives us electricity? (a) a refrigerator (b) a mobile phone (c) a water pump (d) a solar panel
  40. 40.True or false: an electric toy car mainly gives out heat. (a) True (b) False

Answer key

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

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