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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 92 · 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 washing machine (b) a generator (c) a water pump (d) a computer
  2. 2.⚡ What does a tube light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  3. 3.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  4. 4.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) wind energy (c) sound energy (d) nuclear energy
  5. 5.Which of these mainly makes movement? (a) a rice cooker (b) a mixer grinder (c) a loudspeaker (d) a street light
  6. 6.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) a magnet (c) friction (d) electric current
  7. 7.🔍 Which is the odd one out? (a) a toaster (b) an electric kettle (c) a water heater (d) a mixer grinder
  8. 8.Which of these mainly gives out light? (a) an LED lamp (b) an electric kettle (c) an electric toy car (d) a table fan
  9. 9.Which of these mainly gives out light? (a) a loudspeaker (b) an electric toy car (c) an electric drill (d) a street light
  10. 10.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) dust particles (c) water drops (d) photons
  11. 11.Which of these mainly makes movement? (a) an electric drill (b) a toaster (c) a traffic signal (d) a doorbell
  12. 12.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  13. 13.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  14. 14.True or false: an electric kettle mainly gives out light. (a) True (b) False
  15. 15.Which of these gives us electricity? (a) a mobile phone (b) a water pump (c) a wind turbine (d) a refrigerator
  16. 16.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  17. 17.True or false: a torch mainly gives out light. (a) True (b) False
  18. 18.Which of these mainly gives out heat? (a) a mixer grinder (b) an electric drill (c) a rice cooker (d) an exhaust fan
  19. 19.True or false: a toaster mainly gives out heat. (a) False (b) True
  20. 20.Which of these gives us electricity? (a) a refrigerator (b) a cell (c) a computer (d) a television
  21. 21.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  22. 22.Which of these mainly makes sound? (a) an electric toy car (b) a room heater (c) a buzzer (d) a night lamp
  23. 23.True or false: an electric iron mainly gives out light. (a) True (b) False
  24. 24.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  25. 25.True or false: an LED lamp mainly gives out light. (a) False (b) True
  26. 26.Which of these mainly gives out heat? (a) a table fan (b) a water heater (c) a siren (d) a torch
  27. 27.Which of these uses electricity? (a) a mobile phone (b) a bicycle dynamo (c) a solar panel (d) a cell
  28. 28.True or false: a siren mainly gives out light. (a) False (b) True
  29. 29.🔍 Which is the odd one out? (a) a doorbell (b) a school bell (c) a street light (d) a loudspeaker
  30. 30.🔍 Which is the odd one out? (a) a mixer grinder (b) an exhaust fan (c) a tube light (d) a table fan
  31. 31.Which of these uses electricity? (a) a bicycle dynamo (b) a refrigerator (c) a cell (d) a generator
  32. 32.⚡ What does a night lamp mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  33. 33.True or false: an electric drill mainly gives out heat. (a) True (b) False
  34. 34.🔍 Which is the odd one out? (a) an LED lamp (b) a night lamp (c) a street light (d) a water heater
  35. 35.⚡ What does an electric kettle mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  36. 36.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  37. 37.Which of these mainly gives out light? (a) a school bell (b) a tube light (c) a toaster (d) a siren
  38. 38.Which of these uses electricity? (a) a television (b) a solar panel (c) a wind turbine (d) a battery
  39. 39.True or false: a tube light mainly gives out heat. (a) True (b) False
  40. 40.⚡ What does a torch mainly change electricity into? (a) sound (b) light (c) heat (d) movement

Answer key

  1. a generator
  2. light
  3. uses electricity
  4. electrical energy
  5. a mixer grinder
  6. electric current
  7. a mixer grinder
  8. an LED lamp
  9. a street light
  10. electrons
  11. an electric drill
  12. uses electricity
  13. gives electricity
  14. False
  15. a wind turbine
  16. True
  17. True
  18. a rice cooker
  19. True
  20. a cell
  21. light
  22. a buzzer
  23. False
  24. uses electricity
  25. True
  26. a water heater
  27. a mobile phone
  28. False
  29. a street light
  30. a tube light
  31. a refrigerator
  32. light
  33. False
  34. a water heater
  35. heat
  36. movement energy
  37. a tube light
  38. a television
  39. False
  40. light

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