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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 631 · 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: a traffic signal mainly makes movement. (a) False (b) True
  2. 2.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) electrical energy (d) nuclear energy
  3. 3.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) electrons (c) water drops (d) photons
  5. 5.True or false: a toaster mainly gives out heat. (a) True (b) False
  6. 6.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.Which of these mainly gives out light? (a) a ceiling fan (b) a mixer grinder (c) an electric kettle (d) a street light
  8. 8.Which of these mainly makes sound? (a) a tube light (b) an electric toy car (c) a traffic signal (d) a buzzer
  9. 9.🔍 Which is the odd one out? (a) an electric kettle (b) a street light (c) a torch (d) a traffic signal
  10. 10.Which of these uses electricity? (a) a bicycle dynamo (b) a battery (c) a washing machine (d) a generator
  11. 11.⚡ What does a tube light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  12. 12.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) chemical energy (c) movement energy (d) light energy
  13. 13.Which of these gives us electricity? (a) a washing machine (b) a mobile phone (c) a power station (d) a water pump
  14. 14.Which of these mainly gives out heat? (a) an electric iron (b) an LED lamp (c) a mixer grinder (d) a loudspeaker
  15. 15.🔍 Which is the odd one out? (a) an electric toy car (b) a buzzer (c) an electric drill (d) an exhaust fan
  16. 16.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) wind energy (d) light energy
  18. 18.⚡ What does a water heater mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  19. 19.⚡ What does an electric drill mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  20. 20.🔍 Which is the odd one out? (a) a school bell (b) a buzzer (c) a room heater (d) a doorbell
  21. 21.Which of these mainly makes movement? (a) a buzzer (b) a mixer grinder (c) a tube light (d) a water heater
  22. 22.⚡ What does a toaster mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  23. 23.Which of these gives us electricity? (a) a refrigerator (b) a washing machine (c) a cell (d) a computer
  24. 24.🔍 Which is the odd one out? (a) a water heater (b) a night lamp (c) a torch (d) a street light
  25. 25.Which of these uses electricity? (a) a water pump (b) a battery (c) a bicycle dynamo (d) a power station
  26. 26.True or false: a tube light mainly gives out light. (a) False (b) True
  27. 27.🔍 Which is the odd one out? (a) an exhaust fan (b) an electric drill (c) a rice cooker (d) a ceiling fan
  28. 28.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) sound (c) a magnet (d) friction
  29. 29.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  30. 30.🔍 Which is the odd one out? (a) an electric drill (b) a rice cooker (c) an electric iron (d) a water heater
  31. 31.True or false: a doorbell mainly makes sound. (a) False (b) True
  32. 32.Which of these gives us electricity? (a) a solar panel (b) an air conditioner (c) a computer (d) a television
  33. 33.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) movement energy
  34. 34.🔍 Which is the odd one out? (a) a doorbell (b) a table fan (c) an electric drill (d) an electric toy car
  35. 35.🔍 Which is the odd one out? (a) a table fan (b) a tube light (c) an electric toy car (d) a mixer grinder
  36. 36.Which of these mainly makes sound? (a) a siren (b) a room heater (c) a water heater (d) an LED lamp
  37. 37.Which of these mainly gives out light? (a) a doorbell (b) a rice cooker (c) an exhaust fan (d) a torch
  38. 38.⚡ What does a ceiling fan mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  39. 39.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  40. 40.Which of these mainly gives out heat? (a) an electric kettle (b) a doorbell (c) an electric drill (d) a table fan

Answer key

  1. False
  2. electrical energy
  3. gives electricity
  4. electrons
  5. True
  6. uses electricity
  7. a street light
  8. a buzzer
  9. an electric kettle
  10. a washing machine
  11. light
  12. movement energy
  13. a power station
  14. an electric iron
  15. a buzzer
  16. gives electricity
  17. light energy
  18. heat
  19. movement
  20. a room heater
  21. a mixer grinder
  22. heat
  23. a cell
  24. a water heater
  25. a water pump
  26. True
  27. a rice cooker
  28. electric current
  29. heat
  30. an electric drill
  31. True
  32. a solar panel
  33. movement energy
  34. a doorbell
  35. a tube light
  36. a siren
  37. a torch
  38. movement
  39. movement
  40. an electric kettle

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