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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 436 · 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.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  2. 2.True or false: an LED lamp mainly gives out light. (a) False (b) True
  3. 3.⚡ What does a school bell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  4. 4.Which of these mainly makes sound? (a) a mixer grinder (b) a school bell (c) a room heater (d) a torch
  5. 5.True or false: a doorbell mainly makes sound. (a) False (b) True
  6. 6.⚡ What does a torch mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  7. 7.True or false: a torch mainly gives out light. (a) True (b) False
  8. 8.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) electric current (d) sound
  9. 9.True or false: a tube light mainly gives out light. (a) True (b) False
  10. 10.True or false: a loudspeaker mainly gives out heat. (a) False (b) True
  11. 11.Which of these gives us electricity? (a) a computer (b) a television (c) a cell (d) a refrigerator
  12. 12.Which of these mainly gives out heat? (a) a doorbell (b) a tube light (c) an exhaust fan (d) an electric kettle
  13. 13.🔍 Which is the odd one out? (a) an electric kettle (b) a ceiling fan (c) an electric drill (d) an exhaust fan
  14. 14.Which of these gives us electricity? (a) a washing machine (b) a computer (c) a wind turbine (d) a television
  15. 15.Which of these mainly gives out light? (a) a toaster (b) an electric toy car (c) a traffic signal (d) a room heater
  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) chemical energy (b) wind energy (c) sound energy (d) light energy
  18. 18.⚡ What does a table fan mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  19. 19.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.⚡ What does a siren mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  21. 21.True or false: a school bell mainly makes sound. (a) True (b) False
  22. 22.Which of these uses electricity? (a) a solar panel (b) a bicycle dynamo (c) a battery (d) a refrigerator
  23. 23.True or false: an electric iron mainly makes sound. (a) False (b) True
  24. 24.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) electrons (d) dust particles
  25. 25.Which of these uses electricity? (a) a water pump (b) a battery (c) a wind turbine (d) a solar panel
  26. 26.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  27. 27.Which of these gives us electricity? (a) a computer (b) a mobile phone (c) a solar panel (d) an air conditioner
  28. 28.True or false: an LED lamp mainly makes sound. (a) False (b) True
  29. 29.True or false: a night lamp mainly gives out heat. (a) False (b) True
  30. 30.🔍 Which is the odd one out? (a) a water heater (b) a siren (c) a room heater (d) a toaster
  31. 31.Which of these gives us electricity? (a) a computer (b) a television (c) a refrigerator (d) a power station
  32. 32.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  33. 33.Which of these mainly makes movement? (a) a doorbell (b) a school bell (c) a rice cooker (d) a mixer grinder
  34. 34.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) light energy (c) movement energy (d) chemical energy
  35. 35.Which of these mainly makes movement? (a) an electric drill (b) a buzzer (c) a siren (d) a night lamp
  36. 36.Which of these mainly makes movement? (a) a siren (b) a room heater (c) a table fan (d) a rice cooker
  37. 37.⚡ What does a water heater mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  38. 38.True or false: a table fan mainly makes movement. (a) False (b) True
  39. 39.Which of these mainly makes movement? (a) a buzzer (b) a water heater (c) a school bell (d) a ceiling fan
  40. 40.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity

Answer key

  1. uses electricity
  2. True
  3. sound
  4. a school bell
  5. True
  6. light
  7. True
  8. electric current
  9. True
  10. False
  11. a cell
  12. an electric kettle
  13. an electric kettle
  14. a wind turbine
  15. a traffic signal
  16. gives electricity
  17. light energy
  18. movement
  19. gives electricity
  20. sound
  21. True
  22. a refrigerator
  23. False
  24. electrons
  25. a water pump
  26. uses electricity
  27. a solar panel
  28. False
  29. False
  30. a siren
  31. a power station
  32. heat
  33. a mixer grinder
  34. movement energy
  35. an electric drill
  36. a table fan
  37. heat
  38. True
  39. a ceiling fan
  40. gives electricity

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