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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 859 · 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.True or false: a school bell mainly gives out heat. (a) False (b) True
  2. 2.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) movement energy (d) sound energy
  3. 3.Which of these uses electricity? (a) a bicycle dynamo (b) a wind turbine (c) a cell (d) an air conditioner
  4. 4.True or false: an electric drill mainly makes movement. (a) True (b) False
  5. 5.🔍 Which is the odd one out? (a) a siren (b) a doorbell (c) a night lamp (d) a school bell
  6. 6.Which of these mainly gives out heat? (a) a toaster (b) an electric drill (c) a school bell (d) an electric toy car
  7. 7.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  8. 8.⚡ What does an electric drill mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  9. 9.Which of these mainly gives out heat? (a) a night lamp (b) a rice cooker (c) an LED lamp (d) an exhaust fan
  10. 10.🔍 Which is the odd one out? (a) a room heater (b) a rice cooker (c) an electric toy car (d) an electric iron
  11. 11.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  12. 12.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  13. 13.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) wind energy (d) light energy
  14. 14.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  16. 16.Which of these gives us electricity? (a) a cell (b) a television (c) a water pump (d) a refrigerator
  17. 17.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) nuclear energy (c) sound energy (d) electrical energy
  18. 18.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) a magnet (d) sound
  19. 19.⚡ What does a street light mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  20. 20.Which of these mainly gives out light? (a) an electric toy car (b) a mixer grinder (c) a traffic signal (d) a doorbell
  21. 21.⚡ What does a doorbell mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  22. 22.⚡ What does an electric iron mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  23. 23.True or false: an electric iron mainly gives out heat. (a) True (b) False
  24. 24.Which of these mainly makes sound? (a) an LED lamp (b) a tube light (c) a room heater (d) a loudspeaker
  25. 25.Which of these mainly gives out light? (a) a mixer grinder (b) a tube light (c) a buzzer (d) an exhaust fan
  26. 26.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  27. 27.True or false: a table fan mainly makes sound. (a) True (b) False
  28. 28.Which of these gives us electricity? (a) a computer (b) a battery (c) a refrigerator (d) a washing machine
  29. 29.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.Which of these gives us electricity? (a) a refrigerator (b) a water pump (c) a washing machine (d) a bicycle dynamo
  31. 31.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.Which of these mainly gives out light? (a) a rice cooker (b) a buzzer (c) a doorbell (d) a torch
  33. 33.🔍 Which is the odd one out? (a) an exhaust fan (b) a doorbell (c) a ceiling fan (d) a table fan
  34. 34.🔍 Which is the odd one out? (a) a torch (b) an electric iron (c) a street light (d) a tube light
  35. 35.Which of these gives us electricity? (a) a power station (b) a television (c) a computer (d) a washing machine
  36. 36.True or false: a rice cooker mainly makes movement. (a) True (b) False
  37. 37.True or false: a street light mainly gives out light. (a) True (b) False
  38. 38.🔍 Which is the odd one out? (a) a toaster (b) a mixer grinder (c) a room heater (d) an electric iron
  39. 39.True or false: a traffic signal mainly makes sound. (a) False (b) True
  40. 40.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) heat (c) movement (d) sound

Answer key

  1. False
  2. movement energy
  3. an air conditioner
  4. True
  5. a night lamp
  6. a toaster
  7. uses electricity
  8. movement
  9. a rice cooker
  10. an electric toy car
  11. light
  12. movement energy
  13. light energy
  14. uses electricity
  15. True
  16. a cell
  17. electrical energy
  18. electric current
  19. light
  20. a traffic signal
  21. sound
  22. heat
  23. True
  24. a loudspeaker
  25. a tube light
  26. gives electricity
  27. False
  28. a battery
  29. gives electricity
  30. a bicycle dynamo
  31. uses electricity
  32. a torch
  33. a doorbell
  34. an electric iron
  35. a power station
  36. False
  37. True
  38. a mixer grinder
  39. False
  40. movement

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