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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 397 · 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 uses electricity? (a) a solar panel (b) a generator (c) a cell (d) a washing machine
  2. 2.Which of these gives us electricity? (a) a water pump (b) a television (c) a mobile phone (d) a cell
  3. 3.🔍 Which is the odd one out? (a) an electric kettle (b) an electric toy car (c) a room heater (d) a toaster
  4. 4.🔍 Which is the odd one out? (a) an electric drill (b) a table fan (c) a rice cooker (d) a mixer grinder
  5. 5.Which of these mainly gives out light? (a) a table fan (b) a rice cooker (c) a school bell (d) a night lamp
  6. 6.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) dust particles (c) water drops (d) photons
  7. 7.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  8. 8.🔍 Which is the odd one out? (a) a doorbell (b) an LED lamp (c) a school bell (d) a buzzer
  9. 9.True or false: a toaster mainly makes sound. (a) True (b) False
  10. 10.Which of these gives us electricity? (a) a mobile phone (b) a bicycle dynamo (c) a computer (d) an air conditioner
  11. 11.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) wind energy (c) chemical energy (d) light energy
  12. 12.Which of these mainly makes sound? (a) a ceiling fan (b) a water heater (c) a school bell (d) a mixer grinder
  13. 13.Which of these mainly gives out light? (a) a rice cooker (b) a siren (c) a tube light (d) a school bell
  14. 14.⚡ What does a buzzer mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  15. 15.⚡ What does an electric toy car mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  16. 16.🔍 Which is the odd one out? (a) a room heater (b) an electric iron (c) a rice cooker (d) a loudspeaker
  17. 17.🔍 Which is the odd one out? (a) a toaster (b) a room heater (c) a buzzer (d) an electric kettle
  18. 18.Which of these uses electricity? (a) a solar panel (b) a water pump (c) a wind turbine (d) a cell
  19. 19.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) sound (d) friction
  20. 20.True or false: a water heater mainly gives out heat. (a) True (b) False
  21. 21.True or false: a street light mainly gives out light. (a) False (b) True
  22. 22.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  23. 23.Which of these uses electricity? (a) a computer (b) a bicycle dynamo (c) a battery (d) a solar panel
  24. 24.⚡ What does a water heater mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  25. 25.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  26. 26.Which of these mainly makes movement? (a) an electric iron (b) an electric drill (c) a tube light (d) a toaster
  27. 27.Which of these gives us electricity? (a) a television (b) an air conditioner (c) a computer (d) a generator
  28. 28.⚡ What does an LED lamp mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  29. 29.🔍 Which is the odd one out? (a) a doorbell (b) a school bell (c) a loudspeaker (d) a room heater
  30. 30.🔍 Which is the odd one out? (a) a room heater (b) an electric iron (c) an electric kettle (d) a doorbell
  31. 31.Which of these mainly makes movement? (a) a siren (b) an electric iron (c) a mixer grinder (d) a night lamp
  32. 32.True or false: an exhaust fan mainly gives out heat. (a) False (b) True
  33. 33.🔍 Which is the odd one out? (a) a school bell (b) a doorbell (c) a loudspeaker (d) a ceiling fan
  34. 34.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  35. 35.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) wind energy (c) sound energy (d) electrical energy
  36. 36.Which of these gives us electricity? (a) a mobile phone (b) a television (c) a battery (d) a computer
  37. 37.🔍 Which is the odd one out? (a) an electric iron (b) a room heater (c) a rice cooker (d) a mixer grinder
  38. 38.Which of these gives us electricity? (a) a refrigerator (b) a washing machine (c) a water pump (d) a wind turbine
  39. 39.Which of these mainly makes movement? (a) a siren (b) a table fan (c) a buzzer (d) an LED lamp
  40. 40.⚡ What does a toaster mainly change electricity into? (a) sound (b) movement (c) heat (d) light

Answer key

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

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