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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 773 · 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.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  2. 2.Which of these gives us electricity? (a) a television (b) a refrigerator (c) an air conditioner (d) a power station
  3. 3.Which of these gives us electricity? (a) a mobile phone (b) a television (c) a water pump (d) a cell
  4. 4.Which of these mainly gives out light? (a) a toaster (b) a ceiling fan (c) a tube light (d) an electric kettle
  5. 5.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  6. 6.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  7. 7.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.Which of these mainly gives out heat? (a) a water heater (b) a street light (c) a night lamp (d) a tube light
  9. 9.Which of these gives us electricity? (a) a generator (b) a refrigerator (c) an air conditioner (d) a mobile phone
  10. 10.⚡ A fan changes electrical energy mainly into which kind of energy? (a) light energy (b) movement energy (c) sound energy (d) chemical energy
  11. 11.Which of these uses electricity? (a) a solar panel (b) a generator (c) a cell (d) a television
  12. 12.🔍 Which is the odd one out? (a) a rice cooker (b) a buzzer (c) a siren (d) a loudspeaker
  13. 13.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  14. 14.Which of these gives us electricity? (a) a television (b) a refrigerator (c) a bicycle dynamo (d) a washing machine
  15. 15.Which of these mainly gives out light? (a) an LED lamp (b) an exhaust fan (c) a school bell (d) a ceiling fan
  16. 16.True or false: an electric kettle mainly gives out heat. (a) True (b) False
  17. 17.True or false: a traffic signal mainly gives out heat. (a) False (b) True
  18. 18.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) dust particles (d) photons
  19. 19.Which of these mainly gives out light? (a) a toaster (b) a table fan (c) a ceiling fan (d) a night lamp
  20. 20.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  21. 21.Which of these uses electricity? (a) a power station (b) a water pump (c) a cell (d) a generator
  22. 22.Which of these mainly makes sound? (a) a tube light (b) an LED lamp (c) a night lamp (d) a siren
  23. 23.Which of these mainly gives out heat? (a) an electric kettle (b) a ceiling fan (c) an electric toy car (d) a torch
  24. 24.⚡ What does an electric iron mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  25. 25.Which of these gives us electricity? (a) a refrigerator (b) a mobile phone (c) a water pump (d) a solar panel
  26. 26.🔍 Which is the odd one out? (a) an electric toy car (b) an LED lamp (c) a traffic signal (d) a street light
  27. 27.🔍 Which is the odd one out? (a) a doorbell (b) a loudspeaker (c) a school bell (d) an exhaust fan
  28. 28.Which of these uses electricity? (a) a cell (b) a wind turbine (c) a computer (d) a power station
  29. 29.True or false: a torch mainly makes movement. (a) True (b) False
  30. 30.True or false: an exhaust fan mainly gives out light. (a) True (b) False
  31. 31.Which of these mainly makes sound? (a) an LED lamp (b) a water heater (c) a tube light (d) a loudspeaker
  32. 32.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.Which of these gives us electricity? (a) a washing machine (b) an air conditioner (c) a mobile phone (d) a battery
  34. 34.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  35. 35.Which of these gives us electricity? (a) a wind turbine (b) an air conditioner (c) a mobile phone (d) a computer
  36. 36.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  37. 37.🔍 Which is the odd one out? (a) a water heater (b) a rice cooker (c) a tube light (d) a toaster
  38. 38.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) wind energy (c) sound energy (d) light energy
  39. 39.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.Which of these mainly gives out heat? (a) a table fan (b) an electric toy car (c) a night lamp (d) a room heater

Answer key

  1. heat
  2. a power station
  3. a cell
  4. a tube light
  5. sound
  6. movement
  7. uses electricity
  8. a water heater
  9. a generator
  10. movement energy
  11. a television
  12. a rice cooker
  13. gives electricity
  14. a bicycle dynamo
  15. an LED lamp
  16. True
  17. False
  18. electrons
  19. a night lamp
  20. movement
  21. a water pump
  22. a siren
  23. an electric kettle
  24. heat
  25. a solar panel
  26. an electric toy car
  27. an exhaust fan
  28. a computer
  29. False
  30. False
  31. a loudspeaker
  32. gives electricity
  33. a battery
  34. True
  35. a wind turbine
  36. heat
  37. a tube light
  38. light energy
  39. uses electricity
  40. a room heater

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