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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 383 · 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 solar panel (b) a computer (c) a wind turbine (d) a cell
  2. 2.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  3. 3.⚡ What does an electric iron mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  4. 4.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  5. 5.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  6. 6.Which of these gives us electricity? (a) a water pump (b) a refrigerator (c) a generator (d) a mobile phone
  7. 7.Which of these mainly makes movement? (a) a school bell (b) an electric toy car (c) a water heater (d) an LED lamp
  8. 8.Which of these mainly gives out light? (a) a water heater (b) an exhaust fan (c) an LED lamp (d) an electric drill
  9. 9.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) sound (d) electric current
  10. 10.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  11. 11.🔍 Which is the odd one out? (a) a siren (b) a mixer grinder (c) a ceiling fan (d) a table fan
  12. 12.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  13. 13.True or false: an electric toy car mainly gives out light. (a) True (b) False
  14. 14.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) chemical energy (c) movement energy (d) sound energy
  15. 15.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  16. 16.⚡ What does a room heater mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  17. 17.Which of these mainly gives out light? (a) a toaster (b) an electric toy car (c) a traffic signal (d) a loudspeaker
  18. 18.Which of these uses electricity? (a) a mobile phone (b) a power station (c) a battery (d) a solar panel
  19. 19.True or false: an electric kettle mainly gives out light. (a) False (b) True
  20. 20.Which of these mainly gives out light? (a) a rice cooker (b) a water heater (c) a street light (d) a loudspeaker
  21. 21.True or false: a school bell mainly makes sound. (a) False (b) True
  22. 22.True or false: a room heater mainly makes sound. (a) False (b) True
  23. 23.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) wind energy (d) light energy
  24. 24.Which of these mainly makes sound? (a) an LED lamp (b) a water heater (c) a doorbell (d) a traffic signal
  25. 25.Which of these gives us electricity? (a) a computer (b) a refrigerator (c) a cell (d) a television
  26. 26.Which of these uses electricity? (a) a cell (b) a television (c) a battery (d) a power station
  27. 27.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.Which of these mainly makes movement? (a) a tube light (b) a buzzer (c) a ceiling fan (d) a torch
  29. 29.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.🔍 Which is the odd one out? (a) a room heater (b) a toaster (c) a traffic signal (d) an electric kettle
  31. 31.True or false: an LED lamp mainly makes sound. (a) False (b) True
  32. 32.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  33. 33.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  34. 34.True or false: a school bell mainly makes movement. (a) True (b) False
  35. 35.Which of these uses electricity? (a) a wind turbine (b) a solar panel (c) an air conditioner (d) a power station
  36. 36.True or false: a doorbell mainly makes movement. (a) True (b) False
  37. 37.⚡ What does a siren mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  38. 38.🔍 Which is the odd one out? (a) an electric kettle (b) a room heater (c) a water heater (d) an electric drill
  39. 39.True or false: a rice cooker mainly gives out heat. (a) True (b) False
  40. 40.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

  1. a computer
  2. uses electricity
  3. heat
  4. movement energy
  5. movement
  6. a generator
  7. an electric toy car
  8. an LED lamp
  9. electric current
  10. True
  11. a siren
  12. electrons
  13. False
  14. movement energy
  15. light
  16. heat
  17. a traffic signal
  18. a mobile phone
  19. False
  20. a street light
  21. True
  22. False
  23. light energy
  24. a doorbell
  25. a cell
  26. a television
  27. uses electricity
  28. a ceiling fan
  29. gives electricity
  30. a traffic signal
  31. False
  32. heat
  33. gives electricity
  34. False
  35. an air conditioner
  36. False
  37. sound
  38. an electric drill
  39. True
  40. gives electricity

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