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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 135 · 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 mainly makes sound? (a) a school bell (b) a night lamp (c) an electric drill (d) a water heater
  2. 2.True or false: a room heater mainly gives out heat. (a) False (b) True
  3. 3.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) chemical energy (c) light energy (d) wind energy
  4. 4.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) chemical energy (d) light energy
  5. 5.True or false: a buzzer mainly gives out heat. (a) False (b) True
  6. 6.🔋 Does a power station give electricity or use electricity? (a) uses electricity (b) gives electricity
  7. 7.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  8. 8.Which of these uses electricity? (a) a wind turbine (b) a generator (c) a cell (d) an air conditioner
  9. 9.🔋 Does a generator give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.True or false: a mixer grinder mainly makes sound. (a) True (b) False
  11. 11.Which of these mainly makes movement? (a) a mixer grinder (b) a tube light (c) a room heater (d) a buzzer
  12. 12.⚡ What does a buzzer mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  13. 13.True or false: a torch mainly makes movement. (a) True (b) False
  14. 14.🔋 Does an air conditioner give electricity or use electricity? (a) uses electricity (b) gives electricity
  15. 15.🔍 Which is the odd one out? (a) a toaster (b) a tube light (c) a rice cooker (d) a room heater
  16. 16.Which of these mainly gives out light? (a) a rice cooker (b) an exhaust fan (c) a ceiling fan (d) a traffic signal
  17. 17.Which of these gives us electricity? (a) a mobile phone (b) a washing machine (c) a power station (d) a water pump
  18. 18.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) photons (c) water drops (d) dust particles
  19. 19.🔍 Which is the odd one out? (a) a toaster (b) an electric iron (c) a room heater (d) a siren
  20. 20.True or false: an electric drill mainly gives out light. (a) False (b) True
  21. 21.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  22. 22.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  23. 23.⚡ What does a table fan mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  24. 24.⚡ What does a tube light mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  25. 25.Which of these mainly gives out heat? (a) a night lamp (b) a water heater (c) a street light (d) a tube light
  26. 26.True or false: a street light mainly makes movement. (a) True (b) False
  27. 27.⚡ What does a night lamp mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  28. 28.Which of these mainly makes movement? (a) an electric toy car (b) an LED lamp (c) a torch (d) an electric iron
  29. 29.Which of these mainly gives out light? (a) an electric kettle (b) a rice cooker (c) a doorbell (d) a night lamp
  30. 30.⚡ What do we call a flow of electric charge through a wire? (a) a magnet (b) electric current (c) friction (d) sound
  31. 31.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) an electric toy car (d) a traffic signal
  33. 33.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  34. 34.Which of these mainly gives out light? (a) a table fan (b) a torch (c) an exhaust fan (d) an electric drill
  35. 35.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  36. 36.Which of these uses electricity? (a) a solar panel (b) a cell (c) a generator (d) a mobile phone
  37. 37.🔍 Which is the odd one out? (a) a doorbell (b) a room heater (c) a buzzer (d) a school bell
  38. 38.Which of these uses electricity? (a) a water pump (b) a solar panel (c) a wind turbine (d) a power station
  39. 39.⚡ What does an electric iron mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  40. 40.True or false: an electric iron mainly gives out heat. (a) True (b) False

Answer key

  1. a school bell
  2. True
  3. light energy
  4. movement energy
  5. False
  6. gives electricity
  7. uses electricity
  8. an air conditioner
  9. gives electricity
  10. False
  11. a mixer grinder
  12. sound
  13. False
  14. uses electricity
  15. a tube light
  16. a traffic signal
  17. a power station
  18. electrons
  19. a siren
  20. False
  21. uses electricity
  22. True
  23. movement
  24. light
  25. a water heater
  26. False
  27. light
  28. an electric toy car
  29. a night lamp
  30. electric current
  31. gives electricity
  32. an electric toy car
  33. electrical energy
  34. a torch
  35. heat
  36. a mobile phone
  37. a room heater
  38. a water pump
  39. heat
  40. True

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