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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 57 · 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 makes movement? (a) a doorbell (b) a toaster (c) a rice cooker (d) a mixer grinder
  2. 2.Which of these uses electricity? (a) an air conditioner (b) a bicycle dynamo (c) a solar panel (d) a power station
  3. 3.⚡ What does an electric iron mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  4. 4.🔍 Which is the odd one out? (a) a school bell (b) a doorbell (c) an exhaust fan (d) a buzzer
  5. 5.Which of these mainly gives out light? (a) an electric kettle (b) an electric toy car (c) a room heater (d) a traffic signal
  6. 6.Which of these mainly gives out heat? (a) an exhaust fan (b) a table fan (c) a torch (d) a water heater
  7. 7.⚡ What does an electric toy car mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  8. 8.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.Which of these uses electricity? (a) a cell (b) a bicycle dynamo (c) a solar panel (d) a water pump
  10. 10.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  12. 12.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  13. 13.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) dust particles (d) electrons
  15. 15.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) sound energy (d) nuclear energy
  16. 16.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) sound energy (d) chemical energy
  17. 17.Which of these mainly gives out light? (a) a torch (b) a water heater (c) a doorbell (d) an electric kettle
  18. 18.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) chemical energy (c) light energy (d) movement energy
  19. 19.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) electric current (d) sound
  20. 20.True or false: a night lamp mainly makes movement. (a) True (b) False
  21. 21.⚡ What does a water heater mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  22. 22.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.🔍 Which is the odd one out? (a) a school bell (b) a siren (c) an electric kettle (d) a doorbell
  24. 24.⚡ What does a buzzer mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  25. 25.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  26. 26.Which of these mainly makes sound? (a) an electric kettle (b) an electric toy car (c) a doorbell (d) an exhaust fan
  27. 27.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) sound energy (c) light energy (d) wind energy
  29. 29.Which of these uses electricity? (a) a solar panel (b) a wind turbine (c) a television (d) a generator
  30. 30.⚡ What does a siren mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  31. 31.Which of these mainly gives out light? (a) an electric iron (b) a toaster (c) an LED lamp (d) a table fan
  32. 32.⚡ What does an LED lamp mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  33. 33.Which of these uses electricity? (a) a refrigerator (b) a wind turbine (c) a power station (d) a bicycle dynamo
  34. 34.Which of these mainly gives out light? (a) an electric kettle (b) an exhaust fan (c) a night lamp (d) a room heater
  35. 35.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.🔍 Which is the odd one out? (a) a rice cooker (b) an electric kettle (c) a toaster (d) a school bell
  37. 37.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  38. 38.Which of these gives us electricity? (a) a television (b) a cell (c) a washing machine (d) a mobile phone
  39. 39.⚡ What does a doorbell mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  40. 40.True or false: a street light mainly gives out light. (a) False (b) True

Answer key

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

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