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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 210 · 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 gives us electricity? (a) a generator (b) an air conditioner (c) a computer (d) a mobile phone
  2. 2.Which of these gives us electricity? (a) a cell (b) a computer (c) a refrigerator (d) a television
  3. 3.Which of these gives us electricity? (a) an air conditioner (b) a computer (c) a solar panel (d) a television
  4. 4.Which of these mainly makes sound? (a) a room heater (b) a school bell (c) an electric drill (d) a tube light
  5. 5.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  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.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.Which of these mainly gives out heat? (a) an LED lamp (b) a table fan (c) an electric iron (d) a loudspeaker
  9. 9.Which of these gives us electricity? (a) a refrigerator (b) a television (c) a wind turbine (d) a mobile phone
  10. 10.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) sound (c) friction (d) electric current
  11. 11.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  12. 12.⚡ What does an electric drill mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  13. 13.True or false: an exhaust fan mainly makes movement. (a) False (b) True
  14. 14.Which of these mainly gives out light? (a) a water heater (b) a table fan (c) a ceiling fan (d) a night lamp
  15. 15.🔍 Which is the odd one out? (a) an electric iron (b) a water heater (c) a night lamp (d) a rice cooker
  16. 16.Which of these mainly makes sound? (a) an LED lamp (b) a rice cooker (c) a loudspeaker (d) a water heater
  17. 17.Which of these mainly makes sound? (a) a water heater (b) a toaster (c) a room heater (d) a doorbell
  18. 18.Which of these mainly gives out light? (a) a torch (b) a loudspeaker (c) a school bell (d) a room heater
  19. 19.Which of these mainly gives out light? (a) an electric iron (b) a street light (c) a water heater (d) an exhaust fan
  20. 20.True or false: a toaster mainly gives out heat. (a) False (b) True
  21. 21.🔋 Does a wind turbine give electricity or use electricity? (a) uses electricity (b) gives electricity
  22. 22.⚡ What does a buzzer mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  23. 23.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) wind energy
  24. 24.Which of these uses electricity? (a) a cell (b) an air conditioner (c) a battery (d) a solar panel
  25. 25.True or false: an exhaust fan mainly gives out light. (a) True (b) False
  26. 26.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) sound energy (d) chemical energy
  27. 27.Which of these mainly gives out light? (a) an electric toy car (b) a traffic signal (c) a water heater (d) a doorbell
  28. 28.Which of these mainly makes movement? (a) a room heater (b) a school bell (c) a torch (d) a mixer grinder
  29. 29.Which of these uses electricity? (a) a power station (b) a wind turbine (c) a battery (d) a washing machine
  30. 30.Which of these mainly makes movement? (a) a torch (b) an electric kettle (c) an electric drill (d) a street light
  31. 31.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  32. 32.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  33. 33.True or false: a buzzer mainly gives out heat. (a) False (b) True
  34. 34.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  35. 35.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  36. 36.Which of these mainly gives out light? (a) an LED lamp (b) an electric kettle (c) a rice cooker (d) a toaster
  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.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.⚡ What does a toaster mainly change electricity into? (a) sound (b) movement (c) light (d) heat

Answer key

  1. a generator
  2. a cell
  3. a solar panel
  4. a school bell
  5. light
  6. electrons
  7. uses electricity
  8. an electric iron
  9. a wind turbine
  10. electric current
  11. gives electricity
  12. movement
  13. True
  14. a night lamp
  15. a night lamp
  16. a loudspeaker
  17. a doorbell
  18. a torch
  19. a street light
  20. True
  21. gives electricity
  22. sound
  23. light energy
  24. an air conditioner
  25. False
  26. movement energy
  27. a traffic signal
  28. a mixer grinder
  29. a washing machine
  30. an electric drill
  31. movement
  32. movement
  33. False
  34. gives electricity
  35. gives electricity
  36. an LED lamp
  37. False
  38. gives electricity
  39. uses electricity
  40. heat

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