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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 861 · 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.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  2. 2.True or false: a toaster mainly gives out light. (a) False (b) True
  3. 3.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  5. 5.Which of these gives us electricity? (a) a refrigerator (b) a wind turbine (c) a water pump (d) a computer
  6. 6.Which of these mainly makes movement? (a) a traffic signal (b) an exhaust fan (c) a night lamp (d) a street light
  7. 7.Which of these mainly gives out light? (a) a tube light (b) a siren (c) a mixer grinder (d) an electric toy car
  8. 8.True or false: a street light mainly gives out light. (a) True (b) False
  9. 9.🔋 Does a power station give electricity or use electricity? (a) gives electricity (b) uses electricity
  10. 10.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) movement energy (b) chemical energy (c) light energy (d) sound energy
  11. 11.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) a magnet (d) electric current
  12. 12.Which of these uses electricity? (a) a bicycle dynamo (b) a washing machine (c) a wind turbine (d) a solar panel
  13. 13.⚡ What does an LED lamp mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  14. 14.Which of these mainly gives out heat? (a) a water heater (b) a torch (c) an exhaust fan (d) a loudspeaker
  15. 15.🔋 Does a refrigerator give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.Which of these mainly gives out light? (a) a rice cooker (b) a toaster (c) a torch (d) a ceiling fan
  17. 17.True or false: a night lamp mainly gives out heat. (a) False (b) True
  18. 18.Which of these mainly makes movement? (a) a loudspeaker (b) a night lamp (c) a rice cooker (d) a mixer grinder
  19. 19.⚡ What does an electric iron mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  20. 20.🔍 Which is the odd one out? (a) a water heater (b) a school bell (c) a doorbell (d) a loudspeaker
  21. 21.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.True or false: a rice cooker mainly gives out heat. (a) True (b) False
  23. 23.Which of these uses electricity? (a) a wind turbine (b) a solar panel (c) a water pump (d) a cell
  24. 24.🔋 Does a mobile phone give electricity or use electricity? (a) gives electricity (b) uses electricity
  25. 25.Which of these gives us electricity? (a) a water pump (b) a washing machine (c) a generator (d) a television
  26. 26.Which of these mainly makes movement? (a) a buzzer (b) a school bell (c) a table fan (d) a water heater
  27. 27.Which of these mainly makes sound? (a) a street light (b) a night lamp (c) a traffic signal (d) a loudspeaker
  28. 28.True or false: a street light mainly gives out heat. (a) False (b) True
  29. 29.True or false: an electric toy car mainly makes movement. (a) True (b) False
  30. 30.⚡ Which tiny particles drift along a metal wire to carry the current? (a) water drops (b) photons (c) dust particles (d) electrons
  31. 31.⚡ What does a night lamp mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  32. 32.Which of these mainly gives out light? (a) a water heater (b) a rice cooker (c) a street light (d) a toaster
  33. 33.Which of these uses electricity? (a) a battery (b) a power station (c) a wind turbine (d) a mobile phone
  34. 34.Which of these gives us electricity? (a) a power station (b) an air conditioner (c) a water pump (d) a washing machine
  35. 35.🔍 Which is the odd one out? (a) an electric toy car (b) an LED lamp (c) a torch (d) a tube light
  36. 36.True or false: a room heater mainly gives out heat. (a) False (b) True
  37. 37.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  38. 38.🔍 Which is the odd one out? (a) a street light (b) an LED lamp (c) a torch (d) an electric iron
  39. 39.Which of these mainly makes sound? (a) a doorbell (b) a table fan (c) an electric drill (d) a traffic signal
  40. 40.🔍 Which is the odd one out? (a) a toaster (b) a siren (c) a loudspeaker (d) a school bell

Answer key

  1. heat
  2. False
  3. uses electricity
  4. uses electricity
  5. a wind turbine
  6. an exhaust fan
  7. a tube light
  8. True
  9. gives electricity
  10. movement energy
  11. electric current
  12. a washing machine
  13. light
  14. a water heater
  15. uses electricity
  16. a torch
  17. False
  18. a mixer grinder
  19. heat
  20. a water heater
  21. gives electricity
  22. True
  23. a water pump
  24. uses electricity
  25. a generator
  26. a table fan
  27. a loudspeaker
  28. False
  29. True
  30. electrons
  31. light
  32. a street light
  33. a mobile phone
  34. a power station
  35. an electric toy car
  36. True
  37. gives electricity
  38. an electric iron
  39. a doorbell
  40. a toaster

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