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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 465 · 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.⚡ What does a traffic signal mainly change electricity into? (a) movement (b) light (c) sound (d) heat
  2. 2.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) light (c) movement (d) heat
  3. 3.⚡ What does a doorbell mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  4. 4.⚡ What does a table fan mainly change electricity into? (a) sound (b) movement (c) heat (d) light
  5. 5.True or false: a buzzer mainly makes sound. (a) True (b) False
  6. 6.Which of these mainly gives out heat? (a) a traffic signal (b) an electric toy car (c) a school bell (d) a room heater
  7. 7.Which of these mainly makes sound? (a) an LED lamp (b) a tube light (c) a loudspeaker (d) an exhaust fan
  8. 8.Which of these mainly makes sound? (a) an electric iron (b) a doorbell (c) an LED lamp (d) a mixer grinder
  9. 9.🔋 Does a cell give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.Which of these gives us electricity? (a) a water pump (b) a washing machine (c) a power station (d) a television
  11. 11.⚡ What does a room heater mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  12. 12.🔍 Which is the odd one out? (a) a buzzer (b) a water heater (c) a rice cooker (d) a toaster
  13. 13.Which of these mainly gives out light? (a) a loudspeaker (b) a room heater (c) a table fan (d) a tube light
  14. 14.Which of these uses electricity? (a) a generator (b) a battery (c) a solar panel (d) a washing machine
  15. 15.Which of these gives us electricity? (a) a computer (b) a refrigerator (c) a television (d) a wind turbine
  16. 16.🔋 Does a generator give electricity or use electricity? (a) gives electricity (b) uses electricity
  17. 17.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  18. 18.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  19. 19.True or false: a doorbell mainly makes sound. (a) False (b) True
  20. 20.Which of these uses electricity? (a) a wind turbine (b) a cell (c) a television (d) a generator
  21. 21.Which of these mainly gives out heat? (a) an electric kettle (b) a buzzer (c) a ceiling fan (d) a traffic signal
  22. 22.Which of these mainly gives out heat? (a) an LED lamp (b) a school bell (c) a street light (d) a water heater
  23. 23.🔍 Which is the odd one out? (a) a night lamp (b) a doorbell (c) a tube light (d) a torch
  24. 24.⚡ What does an exhaust fan mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  25. 25.True or false: a tube light mainly gives out light. (a) False (b) True
  26. 26.Which of these mainly makes sound? (a) a rice cooker (b) a buzzer (c) an exhaust fan (d) a mixer grinder
  27. 27.🔍 Which is the odd one out? (a) a tube light (b) a torch (c) a street light (d) an electric toy car
  28. 28.⚡ Which tiny particles drift along a metal wire to carry the current? (a) photons (b) dust particles (c) water drops (d) electrons
  29. 29.Which of these gives us electricity? (a) a refrigerator (b) a computer (c) a battery (d) a washing machine
  30. 30.🔍 Which is the odd one out? (a) a traffic signal (b) an electric iron (c) a torch (d) a tube light
  31. 31.True or false: a torch mainly gives out light. (a) True (b) False
  32. 32.⚡ A fan changes electrical energy mainly into which kind of energy? (a) sound energy (b) movement energy (c) light energy (d) chemical energy
  33. 33.⚡ What does an electric iron mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  34. 34.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  35. 35.🔍 Which is the odd one out? (a) a traffic signal (b) an LED lamp (c) a ceiling fan (d) a torch
  36. 36.🔋 Does a battery give electricity or use electricity? (a) uses electricity (b) gives electricity
  37. 37.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) electrical energy (c) nuclear energy (d) wind energy
  38. 38.True or false: a night lamp mainly gives out light. (a) True (b) False
  39. 39.🔍 Which is the odd one out? (a) an electric kettle (b) a rice cooker (c) a school bell (d) a room heater
  40. 40.Which of these mainly makes sound? (a) a school bell (b) an LED lamp (c) a ceiling fan (d) a mixer grinder

Answer key

  1. light
  2. light
  3. sound
  4. movement
  5. True
  6. a room heater
  7. a loudspeaker
  8. a doorbell
  9. gives electricity
  10. a power station
  11. heat
  12. a buzzer
  13. a tube light
  14. a washing machine
  15. a wind turbine
  16. gives electricity
  17. uses electricity
  18. heat
  19. True
  20. a television
  21. an electric kettle
  22. a water heater
  23. a doorbell
  24. movement
  25. True
  26. a buzzer
  27. an electric toy car
  28. electrons
  29. a battery
  30. an electric iron
  31. True
  32. movement energy
  33. heat
  34. gives electricity
  35. a ceiling fan
  36. gives electricity
  37. electrical energy
  38. True
  39. a school bell
  40. a school bell

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