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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 613 · 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 solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  2. 2.Which of these uses electricity? (a) a generator (b) a solar panel (c) a battery (d) a television
  3. 3.⚡ What does an electric iron mainly change electricity into? (a) heat (b) movement (c) sound (d) light
  4. 4.True or false: a buzzer mainly makes sound. (a) False (b) True
  5. 5.Which of these mainly gives out light? (a) a buzzer (b) an electric toy car (c) a traffic signal (d) a toaster
  6. 6.Which of these uses electricity? (a) a generator (b) a solar panel (c) a bicycle dynamo (d) a computer
  7. 7.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) electric current (c) sound (d) a magnet
  8. 8.⚡ What does an electric kettle mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  9. 9.Which of these gives us electricity? (a) an air conditioner (b) a computer (c) a wind turbine (d) a mobile phone
  10. 10.True or false: a traffic signal mainly gives out heat. (a) True (b) False
  11. 11.Which of these mainly makes sound? (a) an LED lamp (b) a loudspeaker (c) a ceiling fan (d) an electric drill
  12. 12.⚡ What does a tube light mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  13. 13.True or false: a rice cooker mainly makes movement. (a) False (b) True
  14. 14.🔍 Which is the odd one out? (a) an LED lamp (b) a room heater (c) a night lamp (d) a street light
  15. 15.True or false: a water heater mainly gives out light. (a) False (b) True
  16. 16.True or false: a torch mainly gives out light. (a) False (b) True
  17. 17.🔍 Which is the odd one out? (a) a ceiling fan (b) a toaster (c) a mixer grinder (d) an exhaust fan
  18. 18.True or false: a room heater mainly gives out light. (a) True (b) False
  19. 19.Which of these uses electricity? (a) a water pump (b) a bicycle dynamo (c) a battery (d) a wind turbine
  20. 20.⚡ What does an exhaust fan mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  21. 21.True or false: a tube light mainly makes movement. (a) False (b) True
  22. 22.Which of these mainly gives out heat? (a) a rice cooker (b) a night lamp (c) a table fan (d) a ceiling fan
  23. 23.⚡ What does a school bell mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  24. 24.True or false: a toaster mainly makes movement. (a) True (b) False
  25. 25.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  26. 26.True or false: a loudspeaker mainly makes sound. (a) False (b) True
  27. 27.⚡ What does a water heater mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  28. 28.True or false: a ceiling fan mainly makes movement. (a) False (b) True
  29. 29.🔍 Which is the odd one out? (a) a torch (b) a street light (c) a night lamp (d) a rice cooker
  30. 30.True or false: an electric kettle mainly gives out heat. (a) True (b) False
  31. 31.🔍 Which is the odd one out? (a) a room heater (b) an electric iron (c) a traffic signal (d) a rice cooker
  32. 32.⚡ A cell changes stored chemical energy into which kind of energy? (a) wind energy (b) sound energy (c) nuclear energy (d) electrical energy
  33. 33.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  34. 34.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) water drops (c) dust particles (d) electrons
  35. 35.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) heat (d) light
  36. 36.Which of these mainly gives out heat? (a) an electric toy car (b) a water heater (c) a street light (d) a torch
  37. 37.Which of these gives us electricity? (a) a water pump (b) a television (c) a mobile phone (d) a solar panel
  38. 38.Which of these mainly gives out light? (a) an electric iron (b) a mixer grinder (c) a school bell (d) a night lamp
  39. 39.🔍 Which is the odd one out? (a) an exhaust fan (b) a table fan (c) a tube light (d) a mixer grinder
  40. 40.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) sound energy (d) chemical energy

Answer key

  1. gives electricity
  2. a television
  3. heat
  4. True
  5. a traffic signal
  6. a computer
  7. electric current
  8. heat
  9. a wind turbine
  10. False
  11. a loudspeaker
  12. light
  13. False
  14. a room heater
  15. False
  16. True
  17. a toaster
  18. False
  19. a water pump
  20. movement
  21. False
  22. a rice cooker
  23. sound
  24. False
  25. heat
  26. True
  27. heat
  28. True
  29. a rice cooker
  30. True
  31. a traffic signal
  32. electrical energy
  33. sound
  34. electrons
  35. heat
  36. a water heater
  37. a solar panel
  38. a night lamp
  39. a tube light
  40. movement energy

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