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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 218 · 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.

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

Answer key

  1. electrons
  2. a cell
  3. an electric iron
  4. a doorbell
  5. light energy
  6. heat
  7. movement
  8. a traffic signal
  9. sound
  10. a water pump
  11. True
  12. True
  13. electrical energy
  14. a wind turbine
  15. True
  16. an LED lamp
  17. a torch
  18. a school bell
  19. True
  20. uses electricity
  21. uses electricity
  22. gives electricity
  23. True
  24. a street light
  25. a tube light
  26. heat
  27. a mixer grinder
  28. a water heater
  29. an electric toy car
  30. heat
  31. True
  32. an LED lamp
  33. uses electricity
  34. a night lamp
  35. uses electricity
  36. a battery
  37. sound
  38. gives electricity
  39. a water heater
  40. a refrigerator

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