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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 56 · 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 light? (a) a room heater (b) a water heater (c) a loudspeaker (d) a traffic signal
  2. 2.🔍 Which is the odd one out? (a) a street light (b) a siren (c) a torch (d) an LED lamp
  3. 3.True or false: an electric toy car mainly gives out light. (a) True (b) False
  4. 4.🔍 Which is the odd one out? (a) a table fan (b) a mixer grinder (c) an electric drill (d) a night lamp
  5. 5.Which of these mainly makes movement? (a) a traffic signal (b) an LED lamp (c) an electric toy car (d) a street light
  6. 6.Which of these mainly makes sound? (a) a doorbell (b) a torch (c) an electric iron (d) a toaster
  7. 7.Which of these gives us electricity? (a) a washing machine (b) a generator (c) a refrigerator (d) a television
  8. 8.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) electric current (d) a magnet
  9. 9.Which of these mainly makes movement? (a) a torch (b) an LED lamp (c) a night lamp (d) an exhaust fan
  10. 10.🔋 Does an air conditioner give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.Which of these uses electricity? (a) a bicycle dynamo (b) a refrigerator (c) a cell (d) a wind turbine
  12. 12.Which of these gives us electricity? (a) a water pump (b) a washing machine (c) a cell (d) a computer
  13. 13.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  14. 14.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.True or false: a night lamp mainly makes movement. (a) False (b) True
  16. 16.⚡ A solar panel changes which kind of energy into electricity? (a) wind energy (b) chemical energy (c) light energy (d) sound energy
  17. 17.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  18. 18.🔍 Which is the odd one out? (a) a doorbell (b) a table fan (c) a loudspeaker (d) a buzzer
  19. 19.Which of these mainly makes movement? (a) a torch (b) an LED lamp (c) a ceiling fan (d) a night lamp
  20. 20.🔍 Which is the odd one out? (a) a buzzer (b) an exhaust fan (c) a ceiling fan (d) an electric drill
  21. 21.Which of these mainly gives out heat? (a) a water heater (b) a school bell (c) a ceiling fan (d) an electric drill
  22. 22.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) a buzzer (d) a mixer grinder
  23. 23.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) electrons (d) photons
  24. 24.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.True or false: an exhaust fan mainly gives out light. (a) True (b) False
  26. 26.⚡ What does a traffic signal mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  27. 27.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  28. 28.True or false: a night lamp mainly gives out light. (a) False (b) True
  29. 29.⚡ What does a street light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  30. 30.Which of these mainly gives out light? (a) a water heater (b) an electric drill (c) a night lamp (d) an exhaust fan
  31. 31.True or false: an electric iron mainly makes movement. (a) False (b) True
  32. 32.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  33. 33.⚡ What does a ceiling fan mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  34. 34.🔍 Which is the odd one out? (a) an electric iron (b) an electric kettle (c) a ceiling fan (d) a room heater
  35. 35.True or false: a rice cooker mainly gives out light. (a) True (b) False
  36. 36.⚡ What does a siren mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  37. 37.True or false: an exhaust fan mainly makes movement. (a) True (b) False
  38. 38.Which of these uses electricity? (a) a cell (b) a wind turbine (c) a battery (d) a computer
  39. 39.True or false: a room heater mainly makes sound. (a) True (b) False
  40. 40.Which of these gives us electricity? (a) a washing machine (b) a power station (c) a refrigerator (d) an air conditioner

Answer key

  1. a traffic signal
  2. a siren
  3. False
  4. a night lamp
  5. an electric toy car
  6. a doorbell
  7. a generator
  8. electric current
  9. an exhaust fan
  10. uses electricity
  11. a refrigerator
  12. a cell
  13. movement
  14. gives electricity
  15. False
  16. light energy
  17. uses electricity
  18. a table fan
  19. a ceiling fan
  20. a buzzer
  21. a water heater
  22. a mixer grinder
  23. electrons
  24. uses electricity
  25. False
  26. light
  27. uses electricity
  28. True
  29. light
  30. a night lamp
  31. False
  32. movement
  33. movement
  34. a ceiling fan
  35. False
  36. sound
  37. True
  38. a computer
  39. False
  40. a power station

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