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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 910 · 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 mixer grinder (b) an electric drill (c) an electric toy car (d) a rice cooker
  2. 2.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  3. 3.Which of these mainly gives out heat? (a) a ceiling fan (b) a water heater (c) a torch (d) an exhaust fan
  4. 4.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) wind energy (d) sound energy
  5. 5.Which of these mainly gives out heat? (a) a mixer grinder (b) a street light (c) a rice cooker (d) an exhaust fan
  6. 6.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.Which of these mainly makes movement? (a) a night lamp (b) a school bell (c) an exhaust fan (d) a rice cooker
  8. 8.🔍 Which is the odd one out? (a) a rice cooker (b) an electric iron (c) a water heater (d) a street light
  9. 9.Which of these gives us electricity? (a) a bicycle dynamo (b) a computer (c) a washing machine (d) an air conditioner
  10. 10.Which of these mainly makes sound? (a) a room heater (b) a doorbell (c) an electric kettle (d) a torch
  11. 11.🔍 Which is the odd one out? (a) a street light (b) an LED lamp (c) a ceiling fan (d) a traffic signal
  12. 12.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  13. 13.🔍 Which is the odd one out? (a) a siren (b) a room heater (c) a buzzer (d) a loudspeaker
  14. 14.True or false: a rice cooker mainly makes movement. (a) False (b) True
  15. 15.Which of these uses electricity? (a) a battery (b) a generator (c) a wind turbine (d) a television
  16. 16.Which of these mainly gives out heat? (a) a room heater (b) a street light (c) a torch (d) an exhaust fan
  17. 17.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  18. 18.Which of these gives us electricity? (a) a power station (b) a computer (c) a television (d) a mobile phone
  19. 19.True or false: a street light mainly gives out heat. (a) False (b) True
  20. 20.⚡ What does a street light mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  21. 21.Which of these mainly gives out light? (a) a room heater (b) a siren (c) a toaster (d) a street light
  22. 22.⚡ What does a traffic signal mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  23. 23.True or false: an electric drill mainly makes movement. (a) True (b) False
  24. 24.True or false: a night lamp mainly gives out light. (a) False (b) True
  25. 25.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) sound energy (c) nuclear energy (d) wind energy
  27. 27.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  28. 28.Which of these mainly gives out heat? (a) a siren (b) a doorbell (c) an electric iron (d) a night lamp
  29. 29.🔍 Which is the odd one out? (a) a toaster (b) a torch (c) a traffic signal (d) an LED lamp
  30. 30.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  31. 31.True or false: a siren mainly makes sound. (a) True (b) False
  32. 32.Which of these uses electricity? (a) a cell (b) an air conditioner (c) a bicycle dynamo (d) a power station
  33. 33.🔍 Which is the odd one out? (a) an electric kettle (b) an electric iron (c) a room heater (d) a traffic signal
  34. 34.True or false: a water heater mainly makes movement. (a) False (b) True
  35. 35.⚡ What does a siren mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  36. 36.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) friction (c) sound (d) electric current
  37. 37.True or false: an electric drill mainly makes sound. (a) False (b) True
  38. 38.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  39. 39.⚡ What does an exhaust fan mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  40. 40.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity

Answer key

  1. a rice cooker
  2. gives electricity
  3. a water heater
  4. light energy
  5. a rice cooker
  6. gives electricity
  7. an exhaust fan
  8. a street light
  9. a bicycle dynamo
  10. a doorbell
  11. a ceiling fan
  12. electrons
  13. a room heater
  14. False
  15. a television
  16. a room heater
  17. sound
  18. a power station
  19. False
  20. light
  21. a street light
  22. light
  23. True
  24. True
  25. uses electricity
  26. electrical energy
  27. movement
  28. an electric iron
  29. a toaster
  30. heat
  31. True
  32. an air conditioner
  33. a traffic signal
  34. False
  35. sound
  36. electric current
  37. False
  38. gives electricity
  39. movement
  40. uses electricity

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