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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 805 · 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.⚡ What does a water heater mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  2. 2.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) wind energy (d) sound energy
  3. 3.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  4. 4.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  5. 5.🔍 Which is the odd one out? (a) a street light (b) an electric toy car (c) an electric drill (d) a table fan
  6. 6.🔍 Which is the odd one out? (a) a school bell (b) a water heater (c) a doorbell (d) a siren
  7. 7.Which of these mainly gives out heat? (a) a torch (b) an LED lamp (c) a tube light (d) a rice cooker
  8. 8.🔍 Which is the odd one out? (a) a school bell (b) a torch (c) a buzzer (d) a doorbell
  9. 9.Which of these uses electricity? (a) a power station (b) a cell (c) a generator (d) a washing machine
  10. 10.Which of these gives us electricity? (a) a mobile phone (b) a computer (c) a television (d) a solar panel
  11. 11.Which of these gives us electricity? (a) a mobile phone (b) a refrigerator (c) a generator (d) a television
  12. 12.True or false: an LED lamp mainly gives out light. (a) True (b) False
  13. 13.⚡ What does a rice cooker mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  14. 14.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  15. 15.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) electrical energy (d) nuclear energy
  16. 16.Which of these mainly makes sound? (a) a night lamp (b) a street light (c) a room heater (d) a school bell
  17. 17.True or false: an exhaust fan mainly gives out light. (a) True (b) False
  18. 18.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) water drops (c) electrons (d) photons
  19. 19.🔍 Which is the odd one out? (a) a tube light (b) an LED lamp (c) a toaster (d) a night lamp
  20. 20.🔍 Which is the odd one out? (a) a traffic signal (b) a tube light (c) a night lamp (d) an electric kettle
  21. 21.🔍 Which is the odd one out? (a) a doorbell (b) a siren (c) a school bell (d) a ceiling fan
  22. 22.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  23. 23.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.⚡ What does a night lamp mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  25. 25.Which of these gives us electricity? (a) a computer (b) a washing machine (c) a refrigerator (d) a bicycle dynamo
  26. 26.Which of these uses electricity? (a) a generator (b) a battery (c) a solar panel (d) a refrigerator
  27. 27.Which of these mainly gives out light? (a) a loudspeaker (b) a ceiling fan (c) a street light (d) a water heater
  28. 28.True or false: a siren mainly makes sound. (a) False (b) True
  29. 29.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  30. 30.Which of these mainly makes movement? (a) a torch (b) a tube light (c) a toaster (d) an electric drill
  31. 31.Which of these gives us electricity? (a) a water pump (b) a washing machine (c) a computer (d) a cell
  32. 32.Which of these uses electricity? (a) a computer (b) a cell (c) a wind turbine (d) a battery
  33. 33.⚡ What does a street light mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  34. 34.⚡ What does a tube light mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  35. 35.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  36. 36.🔍 Which is the odd one out? (a) a mixer grinder (b) a ceiling fan (c) an exhaust fan (d) a school bell
  37. 37.Which of these uses electricity? (a) a generator (b) a wind turbine (c) a battery (d) a television
  38. 38.True or false: a school bell mainly makes movement. (a) True (b) False
  39. 39.Which of these mainly gives out heat? (a) an LED lamp (b) a tube light (c) an exhaust fan (d) a toaster
  40. 40.🔍 Which is the odd one out? (a) a toaster (b) a water heater (c) an electric iron (d) an electric drill

Answer key

  1. heat
  2. light energy
  3. light
  4. movement
  5. a street light
  6. a water heater
  7. a rice cooker
  8. a torch
  9. a washing machine
  10. a solar panel
  11. a generator
  12. True
  13. heat
  14. movement
  15. electrical energy
  16. a school bell
  17. False
  18. electrons
  19. a toaster
  20. an electric kettle
  21. a ceiling fan
  22. uses electricity
  23. gives electricity
  24. light
  25. a bicycle dynamo
  26. a refrigerator
  27. a street light
  28. True
  29. sound
  30. an electric drill
  31. a cell
  32. a computer
  33. light
  34. light
  35. heat
  36. a school bell
  37. a television
  38. False
  39. a toaster
  40. an electric drill

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