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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 517 · 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 of these mainly gives out heat? (a) an electric toy car (b) a street light (c) an electric kettle (d) a mixer grinder
  2. 2.🔍 Which is the odd one out? (a) a water heater (b) a rice cooker (c) a night lamp (d) a toaster
  3. 3.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) electric current (c) a magnet (d) friction
  4. 4.True or false: a room heater mainly gives out heat. (a) True (b) False
  5. 5.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  6. 6.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  7. 7.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  8. 8.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) wind energy (d) nuclear energy
  9. 9.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.Which of these uses electricity? (a) a solar panel (b) a bicycle dynamo (c) a cell (d) a mobile phone
  11. 11.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) movement energy (c) light energy (d) sound energy
  12. 12.⚡ What does a room heater mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  13. 13.⚡ What does a doorbell mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  14. 14.🔍 Which is the odd one out? (a) a doorbell (b) a school bell (c) a buzzer (d) a water heater
  15. 15.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  16. 16.Which of these mainly gives out light? (a) a buzzer (b) a school bell (c) a doorbell (d) a tube light
  17. 17.True or false: a siren mainly makes sound. (a) False (b) True
  18. 18.Which of these mainly makes movement? (a) a water heater (b) an electric kettle (c) a mixer grinder (d) a night lamp
  19. 19.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) dust particles (c) water drops (d) electrons
  21. 21.True or false: an LED lamp mainly makes sound. (a) False (b) True
  22. 22.🔍 Which is the odd one out? (a) a rice cooker (b) a doorbell (c) a buzzer (d) a loudspeaker
  23. 23.Which of these uses electricity? (a) a battery (b) a cell (c) a wind turbine (d) a washing machine
  24. 24.🔍 Which is the odd one out? (a) a torch (b) a street light (c) an exhaust fan (d) a night lamp
  25. 25.Which of these mainly makes movement? (a) a room heater (b) an electric iron (c) an electric drill (d) a street light
  26. 26.Which of these gives us electricity? (a) a cell (b) a water pump (c) a television (d) a washing machine
  27. 27.🔍 Which is the odd one out? (a) a street light (b) a siren (c) a school bell (d) a buzzer
  28. 28.🔍 Which is the odd one out? (a) an electric drill (b) a table fan (c) an electric iron (d) an electric toy car
  29. 29.True or false: a doorbell mainly makes movement. (a) True (b) False
  30. 30.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) sound energy (c) light energy (d) chemical energy
  31. 31.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  32. 32.Which of these mainly makes sound? (a) an exhaust fan (b) a torch (c) a table fan (d) a school bell
  33. 33.Which of these mainly gives out heat? (a) an exhaust fan (b) a street light (c) a loudspeaker (d) an electric iron
  34. 34.Which of these uses electricity? (a) a bicycle dynamo (b) an air conditioner (c) a wind turbine (d) a battery
  35. 35.True or false: a water heater mainly makes movement. (a) False (b) True
  36. 36.⚡ What does a torch mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  37. 37.True or false: a buzzer mainly gives out light. (a) True (b) False
  38. 38.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  39. 39.Which of these gives us electricity? (a) a television (b) a water pump (c) a wind turbine (d) an air conditioner
  40. 40.🔍 Which is the odd one out? (a) a tube light (b) an electric kettle (c) a toaster (d) a room heater

Answer key

  1. an electric kettle
  2. a night lamp
  3. electric current
  4. True
  5. uses electricity
  6. gives electricity
  7. heat
  8. electrical energy
  9. uses electricity
  10. a mobile phone
  11. movement energy
  12. heat
  13. sound
  14. a water heater
  15. movement
  16. a tube light
  17. True
  18. a mixer grinder
  19. gives electricity
  20. electrons
  21. False
  22. a rice cooker
  23. a washing machine
  24. an exhaust fan
  25. an electric drill
  26. a cell
  27. a street light
  28. an electric iron
  29. False
  30. light energy
  31. heat
  32. a school bell
  33. an electric iron
  34. an air conditioner
  35. False
  36. light
  37. False
  38. heat
  39. a wind turbine
  40. a tube light

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