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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 763 · 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.

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

Answer key

  1. an LED lamp
  2. a ceiling fan
  3. a night lamp
  4. False
  5. sound
  6. True
  7. electrons
  8. a wind turbine
  9. gives electricity
  10. False
  11. a cell
  12. a mixer grinder
  13. a room heater
  14. a night lamp
  15. uses electricity
  16. a battery
  17. electrical energy
  18. an air conditioner
  19. a traffic signal
  20. a torch
  21. False
  22. a washing machine
  23. True
  24. light
  25. gives electricity
  26. a tube light
  27. a solar panel
  28. False
  29. a loudspeaker
  30. uses electricity
  31. False
  32. an exhaust fan
  33. heat
  34. an electric iron
  35. light
  36. False
  37. True
  38. gives electricity
  39. a mobile phone
  40. movement

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