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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 150 · 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.True or false: a doorbell mainly gives out heat. (a) False (b) True
  2. 2.True or false: a room heater mainly gives out light. (a) False (b) True
  3. 3.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.🔍 Which is the odd one out? (a) a street light (b) an electric kettle (c) a tube light (d) an LED lamp
  5. 5.Which of these mainly gives out light? (a) an electric drill (b) a loudspeaker (c) a toaster (d) an LED lamp
  6. 6.Which of these mainly makes movement? (a) a torch (b) a toaster (c) an LED lamp (d) a ceiling fan
  7. 7.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.Which of these mainly makes sound? (a) a toaster (b) a siren (c) an electric iron (d) a street light
  10. 10.⚡ What does a school bell mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  11. 11.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.Which of these mainly gives out heat? (a) a street light (b) a school bell (c) a siren (d) a room heater
  13. 13.Which of these mainly makes movement? (a) a toaster (b) a siren (c) a doorbell (d) an exhaust fan
  14. 14.🔍 Which is the odd one out? (a) a loudspeaker (b) an LED lamp (c) a torch (d) a night lamp
  15. 15.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  16. 16.True or false: a siren mainly makes sound. (a) True (b) False
  17. 17.Which of these gives us electricity? (a) a washing machine (b) a refrigerator (c) a water pump (d) a wind turbine
  18. 18.Which of these mainly gives out heat? (a) a torch (b) a tube light (c) an LED lamp (d) a water heater
  19. 19.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) sound energy (d) electrical energy
  20. 20.Which of these uses electricity? (a) a bicycle dynamo (b) a power station (c) a mobile phone (d) a wind turbine
  21. 21.True or false: a table fan mainly gives out light. (a) False (b) True
  22. 22.⚡ What does a tube light mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  23. 23.🔍 Which is the odd one out? (a) a street light (b) an LED lamp (c) a rice cooker (d) a tube light
  24. 24.Which of these mainly makes movement? (a) an electric iron (b) a buzzer (c) an electric toy car (d) an electric kettle
  25. 25.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  26. 26.Which of these gives us electricity? (a) a computer (b) a generator (c) a mobile phone (d) a television
  27. 27.True or false: an electric kettle mainly gives out heat. (a) True (b) False
  28. 28.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) electric current (d) sound
  29. 29.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  30. 30.⚡ What does a mixer grinder mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  31. 31.🔍 Which is the odd one out? (a) a loudspeaker (b) a siren (c) a traffic signal (d) a buzzer
  32. 32.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric kettle (c) a water heater (d) a rice cooker
  33. 33.Which of these mainly gives out light? (a) an electric kettle (b) a street light (c) a room heater (d) a loudspeaker
  34. 34.🔍 Which is the odd one out? (a) a rice cooker (b) a table fan (c) an electric kettle (d) a water heater
  35. 35.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  36. 36.⚡ What does a siren mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  37. 37.🔍 Which is the odd one out? (a) a mixer grinder (b) an electric toy car (c) a ceiling fan (d) an LED lamp
  38. 38.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  39. 39.Which of these gives us electricity? (a) a computer (b) a mobile phone (c) a television (d) a cell
  40. 40.Which of these uses electricity? (a) a solar panel (b) a water pump (c) a bicycle dynamo (d) a power station

Answer key

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

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