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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 497 · 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.⚡ What does an electric iron mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  2. 2.Which of these mainly gives out light? (a) a table fan (b) a siren (c) an electric kettle (d) a street light
  3. 3.⚡ What does a doorbell mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  4. 4.Which of these mainly gives out heat? (a) an electric drill (b) an electric iron (c) a tube light (d) a night lamp
  5. 5.Which of these mainly makes sound? (a) an electric kettle (b) a loudspeaker (c) a room heater (d) a rice cooker
  6. 6.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) chemical energy (c) light energy (d) sound energy
  7. 7.🔍 Which is the odd one out? (a) an electric drill (b) a street light (c) a traffic signal (d) a tube light
  8. 8.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  9. 9.Which of these mainly gives out heat? (a) a doorbell (b) a school bell (c) a loudspeaker (d) a water heater
  10. 10.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a water pump (d) a cell
  11. 11.True or false: a buzzer mainly makes sound. (a) True (b) False
  12. 12.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  13. 13.Which of these mainly gives out light? (a) a buzzer (b) a traffic signal (c) a siren (d) an electric kettle
  14. 14.⚡ What does a tube light mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  15. 15.🔍 Which is the odd one out? (a) a siren (b) a mixer grinder (c) a buzzer (d) a doorbell
  16. 16.Which of these mainly gives out light? (a) a school bell (b) a torch (c) a water heater (d) a ceiling fan
  17. 17.🔍 Which is the odd one out? (a) a night lamp (b) a rice cooker (c) a tube light (d) a traffic signal
  18. 18.⚡ What does a buzzer mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  19. 19.True or false: a street light mainly gives out light. (a) False (b) True
  20. 20.🔍 Which is the odd one out? (a) an electric drill (b) a ceiling fan (c) an electric iron (d) a mixer grinder
  21. 21.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  22. 22.⚡ What does a table fan mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  23. 23.🔍 Which is the odd one out? (a) a school bell (b) an LED lamp (c) a torch (d) a tube light
  24. 24.Which of these mainly makes sound? (a) a toaster (b) a doorbell (c) a traffic signal (d) a torch
  25. 25.Which of these mainly gives out light? (a) an exhaust fan (b) a toaster (c) an electric kettle (d) an LED lamp
  26. 26.True or false: an electric drill mainly gives out light. (a) False (b) True
  27. 27.True or false: a night lamp mainly makes movement. (a) True (b) False
  28. 28.🔍 Which is the odd one out? (a) a loudspeaker (b) a traffic signal (c) an LED lamp (d) a torch
  29. 29.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) water drops (d) electrons
  31. 31.Which of these uses electricity? (a) a generator (b) a wind turbine (c) a power station (d) a computer
  32. 32.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) a magnet (d) sound
  33. 33.Which of these gives us electricity? (a) an air conditioner (b) a computer (c) a battery (d) a water pump
  34. 34.⚡ What does a room heater mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  35. 35.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  36. 36.⚡ What does a rice cooker mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  37. 37.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a school bell (d) an electric toy car
  38. 38.⚡ What does an electric drill mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  39. 39.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  40. 40.Which of these mainly makes sound? (a) a street light (b) an electric drill (c) a buzzer (d) an LED lamp

Answer key

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

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