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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 139 · 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 of these gives us electricity? (a) a refrigerator (b) a washing machine (c) a generator (d) an air conditioner
  2. 2.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.Which of these mainly gives out light? (a) a buzzer (b) an LED lamp (c) a mixer grinder (d) a rice cooker
  4. 4.🔍 Which is the odd one out? (a) a siren (b) a water heater (c) a rice cooker (d) a room heater
  5. 5.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  6. 6.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) a magnet (d) sound
  7. 7.🔍 Which is the odd one out? (a) an electric kettle (b) a mixer grinder (c) a ceiling fan (d) a table fan
  8. 8.🔍 Which is the odd one out? (a) a tube light (b) a traffic signal (c) an exhaust fan (d) a night lamp
  9. 9.⚡ What does an electric toy car mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  10. 10.Which of these mainly gives out light? (a) a ceiling fan (b) a school bell (c) a traffic signal (d) an exhaust fan
  11. 11.True or false: a siren mainly makes sound. (a) True (b) False
  12. 12.Which of these mainly makes movement? (a) a room heater (b) a doorbell (c) a table fan (d) an electric iron
  13. 13.Which of these mainly gives out heat? (a) a tube light (b) a room heater (c) a street light (d) a mixer grinder
  14. 14.⚡ What does a doorbell mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  15. 15.Which of these gives us electricity? (a) a washing machine (b) a television (c) a refrigerator (d) a power station
  16. 16.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.Which of these mainly gives out light? (a) an electric drill (b) a torch (c) a doorbell (d) a loudspeaker
  18. 18.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  19. 19.🔍 Which is the odd one out? (a) a doorbell (b) a loudspeaker (c) an electric iron (d) a buzzer
  20. 20.Which of these mainly makes movement? (a) an electric toy car (b) an electric kettle (c) a rice cooker (d) an LED lamp
  21. 21.Which of these mainly makes movement? (a) a ceiling fan (b) an electric iron (c) a rice cooker (d) a tube light
  22. 22.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  23. 23.⚡ What does a night lamp mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  24. 24.True or false: a buzzer mainly makes movement. (a) True (b) False
  25. 25.Which of these mainly makes sound? (a) a water heater (b) a night lamp (c) a mixer grinder (d) a doorbell
  26. 26.⚡ What does an electric drill mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  27. 27.🔍 Which is the odd one out? (a) a loudspeaker (b) a school bell (c) a toaster (d) a doorbell
  28. 28.True or false: a torch mainly gives out light. (a) True (b) False
  29. 29.⚡ What does a school bell mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  30. 30.Which of these mainly makes movement? (a) a toaster (b) a tube light (c) a street light (d) a mixer grinder
  31. 31.Which of these mainly makes sound? (a) an exhaust fan (b) an electric iron (c) a school bell (d) a toaster
  32. 32.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.Which of these gives us electricity? (a) a mobile phone (b) a washing machine (c) a battery (d) a refrigerator
  34. 34.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) nuclear energy (c) sound energy (d) wind energy
  35. 35.⚡ What does a buzzer mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  36. 36.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) chemical energy (d) light energy
  37. 37.🔍 Which is the odd one out? (a) an electric iron (b) a toaster (c) a rice cooker (d) a doorbell
  38. 38.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) water drops (d) dust particles
  39. 39.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.⚡ What does a siren mainly change electricity into? (a) sound (b) movement (c) heat (d) light

Answer key

  1. a generator
  2. uses electricity
  3. an LED lamp
  4. a siren
  5. True
  6. electric current
  7. an electric kettle
  8. an exhaust fan
  9. movement
  10. a traffic signal
  11. True
  12. a table fan
  13. a room heater
  14. sound
  15. a power station
  16. gives electricity
  17. a torch
  18. sound
  19. an electric iron
  20. an electric toy car
  21. a ceiling fan
  22. light
  23. light
  24. False
  25. a doorbell
  26. movement
  27. a toaster
  28. True
  29. sound
  30. a mixer grinder
  31. a school bell
  32. uses electricity
  33. a battery
  34. electrical energy
  35. sound
  36. light energy
  37. a doorbell
  38. electrons
  39. gives electricity
  40. sound

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