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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 871 · 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.🔋 Does a wind turbine give electricity or use electricity? (a) gives electricity (b) uses electricity
  2. 2.True or false: a rice cooker mainly makes movement. (a) False (b) True
  3. 3.True or false: a room heater mainly gives out heat. (a) True (b) False
  4. 4.Which of these uses electricity? (a) a generator (b) a solar panel (c) a water pump (d) a wind turbine
  5. 5.True or false: an electric iron mainly makes sound. (a) False (b) True
  6. 6.🔍 Which is the odd one out? (a) an LED lamp (b) a tube light (c) an electric iron (d) a night lamp
  7. 7.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) sound energy (c) chemical energy (d) light energy
  8. 8.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  9. 9.True or false: a tube light mainly makes sound. (a) False (b) True
  10. 10.True or false: a mixer grinder mainly makes sound. (a) True (b) False
  11. 11.⚡ What does a torch mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  12. 12.Which of these mainly makes sound? (a) a toaster (b) a street light (c) a doorbell (d) a rice cooker
  13. 13.Which of these mainly makes sound? (a) an LED lamp (b) a ceiling fan (c) a toaster (d) a loudspeaker
  14. 14.True or false: a street light mainly gives out light. (a) False (b) True
  15. 15.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) sound energy (c) wind energy (d) electrical energy
  16. 16.Which of these gives us electricity? (a) a water pump (b) a computer (c) a solar panel (d) an air conditioner
  17. 17.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.True or false: a ceiling fan mainly gives out light. (a) False (b) True
  19. 19.Which of these mainly gives out heat? (a) an exhaust fan (b) a rice cooker (c) an LED lamp (d) a table fan
  20. 20.🔍 Which is the odd one out? (a) a siren (b) a rice cooker (c) a buzzer (d) a school bell
  21. 21.Which of these gives us electricity? (a) a washing machine (b) a refrigerator (c) a power station (d) a mobile phone
  22. 22.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) chemical energy (d) wind energy
  23. 23.True or false: an electric iron mainly gives out heat. (a) False (b) True
  24. 24.⚡ What does a water heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  25. 25.🔍 Which is the odd one out? (a) a street light (b) a torch (c) an electric kettle (d) a tube light
  26. 26.🔋 Does a computer give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.🔍 Which is the odd one out? (a) a water heater (b) a rice cooker (c) a toaster (d) an electric drill
  28. 28.Which of these uses electricity? (a) a generator (b) a washing machine (c) a solar panel (d) a cell
  29. 29.⚡ What does a night lamp mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  30. 30.🔍 Which is the odd one out? (a) an electric toy car (b) a mixer grinder (c) a water heater (d) an electric drill
  31. 31.Which of these mainly gives out heat? (a) an LED lamp (b) a mixer grinder (c) a toaster (d) a table fan
  32. 32.True or false: a doorbell mainly gives out light. (a) False (b) True
  33. 33.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) electrons (d) dust particles
  34. 34.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) a magnet (c) electric current (d) sound
  35. 35.⚡ What does an electric iron mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  36. 36.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  37. 37.⚡ What does an electric toy car mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  38. 38.⚡ What does a loudspeaker mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  39. 39.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.🔍 Which is the odd one out? (a) a night lamp (b) a ceiling fan (c) an electric drill (d) an exhaust fan

Answer key

  1. gives electricity
  2. False
  3. True
  4. a water pump
  5. False
  6. an electric iron
  7. movement energy
  8. gives electricity
  9. False
  10. False
  11. light
  12. a doorbell
  13. a loudspeaker
  14. True
  15. electrical energy
  16. a solar panel
  17. uses electricity
  18. False
  19. a rice cooker
  20. a rice cooker
  21. a power station
  22. light energy
  23. True
  24. heat
  25. an electric kettle
  26. uses electricity
  27. an electric drill
  28. a washing machine
  29. light
  30. a water heater
  31. a toaster
  32. False
  33. electrons
  34. electric current
  35. heat
  36. light
  37. movement
  38. sound
  39. uses electricity
  40. a night lamp

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