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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 137 · 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) a toaster (b) an electric iron (c) a water heater (d) a table fan
  2. 2.Which of these mainly makes movement? (a) a rice cooker (b) a siren (c) an exhaust fan (d) an electric kettle
  3. 3.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.Which of these mainly makes movement? (a) an electric kettle (b) a loudspeaker (c) a street light (d) a mixer grinder
  6. 6.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.Which of these uses electricity? (a) a washing machine (b) a wind turbine (c) a solar panel (d) a cell
  8. 8.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  9. 9.⚡ What does an LED lamp mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  10. 10.Which of these mainly gives out heat? (a) a room heater (b) an electric drill (c) a night lamp (d) a ceiling fan
  11. 11.⚡ What does an electric iron mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  12. 12.🔍 Which is the odd one out? (a) a toaster (b) an electric kettle (c) an electric iron (d) an electric toy car
  13. 13.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) electric current (d) friction
  14. 14.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.🔍 Which is the odd one out? (a) a water heater (b) a loudspeaker (c) an electric iron (d) a room heater
  16. 16.⚡ What does a buzzer mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  17. 17.True or false: an electric kettle mainly gives out light. (a) True (b) False
  18. 18.Which of these mainly makes movement? (a) a ceiling fan (b) a water heater (c) an electric kettle (d) a tube light
  19. 19.🔍 Which is the odd one out? (a) a room heater (b) a toaster (c) a rice cooker (d) an electric drill
  20. 20.Which of these mainly makes movement? (a) a toaster (b) an electric iron (c) a loudspeaker (d) an electric toy car
  21. 21.True or false: a traffic signal mainly gives out light. (a) False (b) True
  22. 22.🔍 Which is the odd one out? (a) a doorbell (b) a ceiling fan (c) a table fan (d) an exhaust fan
  23. 23.Which of these mainly gives out light? (a) a school bell (b) a doorbell (c) a room heater (d) a night lamp
  24. 24.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) wind energy (c) electrical energy (d) nuclear energy
  25. 25.⚡ What does a school bell mainly change electricity into? (a) movement (b) light (c) heat (d) sound
  26. 26.⚡ What does an electric drill mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  27. 27.True or false: a toaster mainly gives out light. (a) False (b) True
  28. 28.True or false: an electric iron mainly gives out heat. (a) False (b) True
  29. 29.True or false: a loudspeaker mainly gives out heat. (a) True (b) False
  30. 30.Which of these mainly gives out heat? (a) a siren (b) a water heater (c) a torch (d) a tube light
  31. 31.Which of these mainly makes sound? (a) an LED lamp (b) a torch (c) a buzzer (d) an electric toy car
  32. 32.🔍 Which is the odd one out? (a) a mixer grinder (b) a doorbell (c) a loudspeaker (d) a buzzer
  33. 33.True or false: a street light mainly makes sound. (a) True (b) False
  34. 34.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  35. 35.Which of these mainly makes sound? (a) a doorbell (b) a rice cooker (c) a tube light (d) an electric iron
  36. 36.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  37. 37.True or false: an electric toy car mainly gives out light. (a) True (b) False
  38. 38.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  39. 39.🔍 Which is the odd one out? (a) a night lamp (b) a traffic signal (c) an electric iron (d) a street light
  40. 40.Which of these uses electricity? (a) a battery (b) a cell (c) a bicycle dynamo (d) a computer

Answer key

  1. a table fan
  2. an exhaust fan
  3. gives electricity
  4. gives electricity
  5. a mixer grinder
  6. gives electricity
  7. a washing machine
  8. gives electricity
  9. light
  10. a room heater
  11. heat
  12. an electric toy car
  13. electric current
  14. gives electricity
  15. a loudspeaker
  16. sound
  17. False
  18. a ceiling fan
  19. an electric drill
  20. an electric toy car
  21. True
  22. a doorbell
  23. a night lamp
  24. electrical energy
  25. sound
  26. movement
  27. False
  28. True
  29. False
  30. a water heater
  31. a buzzer
  32. a mixer grinder
  33. False
  34. heat
  35. a doorbell
  36. gives electricity
  37. False
  38. movement
  39. an electric iron
  40. a computer

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