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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 890 · 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.Which of these mainly gives out light? (a) an electric kettle (b) a traffic signal (c) a water heater (d) a toaster
  2. 2.Which of these uses electricity? (a) a power station (b) a television (c) a battery (d) a solar panel
  3. 3.True or false: a doorbell mainly makes sound. (a) True (b) False
  4. 4.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) movement energy (d) chemical energy
  5. 5.🔍 Which is the odd one out? (a) a loudspeaker (b) a buzzer (c) a doorbell (d) a ceiling fan
  6. 6.Which of these gives us electricity? (a) a washing machine (b) a television (c) a wind turbine (d) an air conditioner
  7. 7.True or false: a school bell mainly makes movement. (a) False (b) True
  8. 8.Which of these mainly makes movement? (a) a street light (b) an electric kettle (c) a traffic signal (d) an electric drill
  9. 9.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) wind energy (d) sound energy
  10. 10.Which of these gives us electricity? (a) a computer (b) a generator (c) a refrigerator (d) a water pump
  11. 11.True or false: an LED lamp mainly gives out light. (a) False (b) True
  12. 12.Which of these mainly gives out light? (a) an exhaust fan (b) a mixer grinder (c) a toaster (d) an LED lamp
  13. 13.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  14. 14.Which of these mainly makes movement? (a) an exhaust fan (b) a tube light (c) a buzzer (d) an LED lamp
  15. 15.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.Which of these gives us electricity? (a) a refrigerator (b) an air conditioner (c) a computer (d) a solar panel
  17. 17.True or false: an electric iron mainly gives out light. (a) False (b) True
  18. 18.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  19. 19.⚡ What does a doorbell mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  20. 20.⚡ What does a buzzer mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  21. 21.🔍 Which is the odd one out? (a) a buzzer (b) an electric kettle (c) a doorbell (d) a loudspeaker
  22. 22.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  23. 23.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  24. 24.Which of these mainly makes movement? (a) a tube light (b) a mixer grinder (c) a siren (d) a rice cooker
  25. 25.🔍 Which is the odd one out? (a) an electric kettle (b) a traffic signal (c) an electric iron (d) a toaster
  26. 26.🔍 Which is the odd one out? (a) a loudspeaker (b) a school bell (c) a buzzer (d) an exhaust fan
  27. 27.🔍 Which is the odd one out? (a) an electric drill (b) a school bell (c) an electric toy car (d) a mixer grinder
  28. 28.Which of these uses electricity? (a) a cell (b) a refrigerator (c) a bicycle dynamo (d) a generator
  29. 29.⚡ What does an electric drill mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  30. 30.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  31. 31.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.Which of these mainly gives out heat? (a) a room heater (b) a street light (c) an electric drill (d) an electric toy car
  33. 33.True or false: a street light mainly gives out heat. (a) False (b) True
  34. 34.🔍 Which is the odd one out? (a) a traffic signal (b) a doorbell (c) a torch (d) a street light
  35. 35.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  36. 36.⚡ What does a torch mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  37. 37.True or false: a toaster mainly makes sound. (a) True (b) False
  38. 38.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) photons (d) water drops
  39. 39.Which of these mainly makes sound? (a) a loudspeaker (b) an LED lamp (c) a traffic signal (d) an electric iron
  40. 40.True or false: an electric iron mainly makes sound. (a) False (b) True

Answer key

  1. a traffic signal
  2. a television
  3. True
  4. movement energy
  5. a ceiling fan
  6. a wind turbine
  7. False
  8. an electric drill
  9. light energy
  10. a generator
  11. True
  12. an LED lamp
  13. sound
  14. an exhaust fan
  15. uses electricity
  16. a solar panel
  17. False
  18. heat
  19. sound
  20. sound
  21. an electric kettle
  22. electrical energy
  23. gives electricity
  24. a mixer grinder
  25. a traffic signal
  26. an exhaust fan
  27. a school bell
  28. a refrigerator
  29. movement
  30. uses electricity
  31. uses electricity
  32. a room heater
  33. False
  34. a doorbell
  35. light
  36. light
  37. False
  38. electrons
  39. a loudspeaker
  40. False

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