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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 59 · 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 uses electricity? (a) a television (b) a bicycle dynamo (c) a wind turbine (d) a solar panel
  2. 2.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  3. 3.🔋 Does a water pump give electricity or use electricity? (a) uses electricity (b) gives electricity
  4. 4.Which of these uses electricity? (a) a battery (b) a water pump (c) a bicycle dynamo (d) a generator
  5. 5.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.⚡ What does a siren mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  7. 7.Which of these mainly makes movement? (a) an LED lamp (b) an exhaust fan (c) a tube light (d) a street light
  8. 8.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.Which of these mainly gives out light? (a) a table fan (b) a doorbell (c) a torch (d) a mixer grinder
  10. 10.Which of these mainly gives out heat? (a) a rice cooker (b) a buzzer (c) a night lamp (d) a school bell
  11. 11.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  12. 12.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  13. 13.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  14. 14.Which of these mainly gives out heat? (a) a ceiling fan (b) a doorbell (c) a room heater (d) a traffic signal
  15. 15.True or false: a street light mainly makes sound. (a) False (b) True
  16. 16.Which of these mainly gives out heat? (a) an electric iron (b) a traffic signal (c) an exhaust fan (d) a buzzer
  17. 17.Which of these gives us electricity? (a) a water pump (b) a computer (c) a solar panel (d) a mobile phone
  18. 18.True or false: a traffic signal mainly gives out light. (a) True (b) False
  19. 19.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) electric current (d) friction
  20. 20.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) sound energy (c) light energy (d) chemical energy
  21. 21.True or false: an electric kettle mainly gives out light. (a) False (b) True
  22. 22.Which of these mainly gives out light? (a) a buzzer (b) an electric kettle (c) a street light (d) an electric iron
  23. 23.⚡ What does a street light mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  24. 24.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.True or false: an LED lamp mainly gives out light. (a) True (b) False
  26. 26.Which of these uses electricity? (a) a solar panel (b) a generator (c) a washing machine (d) a cell
  27. 27.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) light energy (c) movement energy (d) chemical energy
  28. 28.Which of these mainly makes sound? (a) a night lamp (b) an electric iron (c) a doorbell (d) an electric kettle
  29. 29.Which of these gives us electricity? (a) an air conditioner (b) a mobile phone (c) a computer (d) a generator
  30. 30.Which of these uses electricity? (a) a generator (b) a power station (c) a cell (d) a computer
  31. 31.⚡ What does a toaster mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  32. 32.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) water drops (d) electrons
  33. 33.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) electrical energy (d) nuclear energy
  34. 34.🔍 Which is the odd one out? (a) an electric toy car (b) a doorbell (c) a school bell (d) a buzzer
  35. 35.🔍 Which is the odd one out? (a) a table fan (b) a mixer grinder (c) an electric toy car (d) an LED lamp
  36. 36.🔍 Which is the odd one out? (a) a night lamp (b) a torch (c) a toaster (d) a tube light
  37. 37.Which of these mainly gives out light? (a) a loudspeaker (b) a traffic signal (c) an exhaust fan (d) an electric iron
  38. 38.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.True or false: a room heater mainly gives out light. (a) False (b) True
  40. 40.True or false: a ceiling fan mainly gives out light. (a) True (b) False

Answer key

  1. a television
  2. sound
  3. uses electricity
  4. a water pump
  5. gives electricity
  6. sound
  7. an exhaust fan
  8. uses electricity
  9. a torch
  10. a rice cooker
  11. light
  12. gives electricity
  13. light
  14. a room heater
  15. False
  16. an electric iron
  17. a solar panel
  18. True
  19. electric current
  20. movement energy
  21. False
  22. a street light
  23. light
  24. uses electricity
  25. True
  26. a washing machine
  27. movement energy
  28. a doorbell
  29. a generator
  30. a computer
  31. heat
  32. electrons
  33. electrical energy
  34. an electric toy car
  35. an LED lamp
  36. a toaster
  37. a traffic signal
  38. gives electricity
  39. False
  40. False

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