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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 337 · 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 tiny particles drift along a metal wire to carry the current? (a) photons (b) electrons (c) dust particles (d) water drops
  2. 2.Which of these mainly makes movement? (a) a rice cooker (b) a loudspeaker (c) a ceiling fan (d) a traffic signal
  3. 3.⚡ What does an electric iron mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  4. 4.True or false: a school bell mainly makes movement. (a) True (b) False
  5. 5.True or false: an electric kettle mainly makes movement. (a) True (b) False
  6. 6.Which of these uses electricity? (a) a battery (b) a power station (c) a water pump (d) a wind turbine
  7. 7.Which of these mainly makes sound? (a) a rice cooker (b) a siren (c) a water heater (d) an electric drill
  8. 8.🔍 Which is the odd one out? (a) a siren (b) a traffic signal (c) a street light (d) a torch
  9. 9.True or false: an electric toy car mainly makes movement. (a) False (b) True
  10. 10.Which of these gives us electricity? (a) a water pump (b) a mobile phone (c) an air conditioner (d) a wind turbine
  11. 11.True or false: a mixer grinder mainly gives out light. (a) True (b) False
  12. 12.⚡ What does a toaster mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  13. 13.Which of these mainly makes sound? (a) an electric drill (b) a water heater (c) a traffic signal (d) a school bell
  14. 14.True or false: a street light mainly makes sound. (a) False (b) True
  15. 15.True or false: a siren mainly makes sound. (a) True (b) False
  16. 16.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  17. 17.⚡ What does a loudspeaker mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  18. 18.⚡ What does a room heater mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  19. 19.True or false: an electric drill mainly gives out light. (a) False (b) True
  20. 20.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  21. 21.Which of these uses electricity? (a) a solar panel (b) a television (c) a power station (d) a wind turbine
  22. 22.Which of these mainly makes sound? (a) a night lamp (b) a doorbell (c) a traffic signal (d) a rice cooker
  23. 23.Which of these uses electricity? (a) a cell (b) a bicycle dynamo (c) an air conditioner (d) a battery
  24. 24.⚡ A fan changes electrical energy mainly into which kind of energy? (a) chemical energy (b) movement energy (c) sound energy (d) light energy
  25. 25.⚡ What does a water heater mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  26. 26.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.Which of these mainly gives out light? (a) a loudspeaker (b) a torch (c) a room heater (d) an electric toy car
  28. 28.Which of these mainly gives out heat? (a) a toaster (b) a buzzer (c) a doorbell (d) a table fan
  29. 29.Which of these mainly makes sound? (a) a loudspeaker (b) a toaster (c) a room heater (d) an electric drill
  30. 30.🔍 Which is the odd one out? (a) a room heater (b) a torch (c) a street light (d) an LED lamp
  31. 31.Which of these gives us electricity? (a) a washing machine (b) a solar panel (c) a computer (d) a mobile phone
  32. 32.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  33. 33.Which of these uses electricity? (a) a battery (b) a computer (c) a power station (d) a generator
  34. 34.⚡ What does a night lamp mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  35. 35.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  36. 36.⚡ What does a siren mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  37. 37.⚡ What does a doorbell mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  38. 38.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.True or false: a mixer grinder mainly makes movement. (a) True (b) False
  40. 40.Which of these mainly gives out light? (a) a toaster (b) an LED lamp (c) an electric drill (d) a rice cooker

Answer key

  1. electrons
  2. a ceiling fan
  3. heat
  4. False
  5. False
  6. a water pump
  7. a siren
  8. a siren
  9. True
  10. a wind turbine
  11. False
  12. heat
  13. a school bell
  14. False
  15. True
  16. gives electricity
  17. sound
  18. heat
  19. False
  20. uses electricity
  21. a television
  22. a doorbell
  23. an air conditioner
  24. movement energy
  25. heat
  26. gives electricity
  27. a torch
  28. a toaster
  29. a loudspeaker
  30. a room heater
  31. a solar panel
  32. heat
  33. a computer
  34. light
  35. uses electricity
  36. sound
  37. sound
  38. gives electricity
  39. True
  40. an LED lamp

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