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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 265 · 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 is the odd one out? (a) a siren (b) a loudspeaker (c) a school bell (d) a torch
  2. 2.Which of these uses electricity? (a) a power station (b) a wind turbine (c) a generator (d) a mobile phone
  3. 3.Which of these mainly gives out light? (a) a street light (b) a siren (c) a loudspeaker (d) a room heater
  4. 4.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) sound energy (c) electrical energy (d) wind energy
  6. 6.Which of these mainly gives out heat? (a) an LED lamp (b) a table fan (c) a water heater (d) an electric drill
  7. 7.⚡ What does a table fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  8. 8.⚡ What does a water heater mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  9. 9.Which of these mainly gives out light? (a) a doorbell (b) a mixer grinder (c) an LED lamp (d) an electric toy car
  10. 10.🔍 Which is the odd one out? (a) a night lamp (b) an electric toy car (c) an exhaust fan (d) an electric drill
  11. 11.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  12. 12.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  13. 13.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  14. 14.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) movement energy (d) light energy
  15. 15.🔍 Which is the odd one out? (a) a night lamp (b) a doorbell (c) an LED lamp (d) a traffic signal
  16. 16.⚡ What does an electric drill mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  17. 17.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.⚡ What does a siren mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  19. 19.⚡ What does a torch mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  20. 20.Which of these mainly makes movement? (a) a room heater (b) an LED lamp (c) an electric kettle (d) an electric toy car
  21. 21.Which of these gives us electricity? (a) a wind turbine (b) a water pump (c) a television (d) a washing machine
  22. 22.Which of these mainly makes movement? (a) a ceiling fan (b) a street light (c) an LED lamp (d) a buzzer
  23. 23.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  24. 24.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  26. 26.Which of these mainly makes movement? (a) a night lamp (b) an exhaust fan (c) a siren (d) a doorbell
  27. 27.🔍 Which is the odd one out? (a) an exhaust fan (b) a table fan (c) a rice cooker (d) a mixer grinder
  28. 28.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  29. 29.True or false: a table fan mainly gives out heat. (a) False (b) True
  30. 30.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  31. 31.Which of these gives us electricity? (a) a cell (b) a mobile phone (c) a washing machine (d) a refrigerator
  32. 32.Which of these mainly gives out heat? (a) a toaster (b) an LED lamp (c) a table fan (d) a tube light
  33. 33.Which of these mainly gives out heat? (a) a loudspeaker (b) a night lamp (c) an electric iron (d) a doorbell
  34. 34.True or false: a loudspeaker mainly gives out heat. (a) False (b) True
  35. 35.Which of these mainly makes movement? (a) a night lamp (b) a table fan (c) a room heater (d) a water heater
  36. 36.True or false: a torch mainly makes movement. (a) False (b) True
  37. 37.Which of these mainly makes movement? (a) a mixer grinder (b) an electric iron (c) a water heater (d) a room heater
  38. 38.Which of these uses electricity? (a) a solar panel (b) a computer (c) a battery (d) a generator
  39. 39.Which of these mainly gives out light? (a) a rice cooker (b) a traffic signal (c) an electric iron (d) a school bell
  40. 40.⚡ What does a night lamp mainly change electricity into? (a) light (b) heat (c) movement (d) sound

Answer key

  1. a torch
  2. a mobile phone
  3. a street light
  4. gives electricity
  5. electrical energy
  6. a water heater
  7. movement
  8. heat
  9. an LED lamp
  10. a night lamp
  11. heat
  12. light
  13. light
  14. movement energy
  15. a doorbell
  16. movement
  17. gives electricity
  18. sound
  19. light
  20. an electric toy car
  21. a wind turbine
  22. a ceiling fan
  23. gives electricity
  24. gives electricity
  25. movement
  26. an exhaust fan
  27. a rice cooker
  28. gives electricity
  29. False
  30. True
  31. a cell
  32. a toaster
  33. an electric iron
  34. False
  35. a table fan
  36. False
  37. a mixer grinder
  38. a computer
  39. a traffic signal
  40. light

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