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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 839 · 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 tiny particles drift along a metal wire to carry the current? (a) water drops (b) dust particles (c) photons (d) electrons
  2. 2.⚡ What does a traffic signal mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  3. 3.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) sound energy (d) chemical energy
  4. 4.🔍 Which is the odd one out? (a) a toaster (b) a night lamp (c) a water heater (d) a rice cooker
  5. 5.True or false: a torch mainly gives out light. (a) False (b) True
  6. 6.True or false: a loudspeaker mainly makes sound. (a) True (b) False
  7. 7.⚡ What does a mixer grinder mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  8. 8.⚡ What does a water heater mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  9. 9.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) sound (c) movement (d) light
  10. 10.🔍 Which is the odd one out? (a) a school bell (b) a doorbell (c) a traffic signal (d) a siren
  11. 11.Which of these uses electricity? (a) a wind turbine (b) a solar panel (c) a generator (d) a refrigerator
  12. 12.Which of these mainly gives out heat? (a) an electric drill (b) a traffic signal (c) a siren (d) a water heater
  13. 13.Which of these gives us electricity? (a) a washing machine (b) a refrigerator (c) a television (d) a power station
  14. 14.Which of these uses electricity? (a) a generator (b) a bicycle dynamo (c) a battery (d) a water pump
  15. 15.🔍 Which is the odd one out? (a) an electric iron (b) a torch (c) a room heater (d) a water heater
  16. 16.True or false: a rice cooker mainly gives out heat. (a) False (b) True
  17. 17.⚡ What does a night lamp mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  18. 18.True or false: a school bell mainly makes movement. (a) False (b) True
  19. 19.Which of these mainly gives out light? (a) a siren (b) a street light (c) a mixer grinder (d) a buzzer
  20. 20.🔍 Which is the odd one out? (a) an electric toy car (b) an LED lamp (c) a tube light (d) a traffic signal
  21. 21.🔍 Which is the odd one out? (a) a siren (b) an exhaust fan (c) a ceiling fan (d) an electric toy car
  22. 22.Which of these gives us electricity? (a) an air conditioner (b) a computer (c) a solar panel (d) a mobile phone
  23. 23.⚡ What does a torch mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  24. 24.🔍 Which is the odd one out? (a) an electric iron (b) a loudspeaker (c) a siren (d) a doorbell
  25. 25.Which of these mainly gives out heat? (a) an electric toy car (b) a rice cooker (c) a traffic signal (d) an exhaust fan
  26. 26.⚡ What does an LED lamp mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  27. 27.⚡ What does a doorbell mainly change electricity into? (a) movement (b) heat (c) light (d) sound
  28. 28.Which of these mainly gives out light? (a) a loudspeaker (b) a toaster (c) a rice cooker (d) a traffic signal
  29. 29.🔋 Does a television give electricity or use electricity? (a) uses electricity (b) gives electricity
  30. 30.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) light energy (c) sound energy (d) chemical energy
  31. 31.Which of these mainly gives out light? (a) a night lamp (b) an electric kettle (c) an electric iron (d) a water heater
  32. 32.🔋 Does a bicycle dynamo give electricity or use electricity? (a) uses electricity (b) gives electricity
  33. 33.⚡ What does a loudspeaker mainly change electricity into? (a) light (b) heat (c) movement (d) sound
  34. 34.⚡ What does a buzzer mainly change electricity into? (a) light (b) sound (c) heat (d) movement
  35. 35.True or false: a tube light mainly gives out light. (a) False (b) True
  36. 36.🔍 Which is the odd one out? (a) a loudspeaker (b) a ceiling fan (c) a mixer grinder (d) an electric drill
  37. 37.🔍 Which is the odd one out? (a) a street light (b) a mixer grinder (c) a night lamp (d) a tube light
  38. 38.True or false: an exhaust fan mainly makes movement. (a) False (b) True
  39. 39.🔋 Does a washing machine give electricity or use electricity? (a) gives electricity (b) uses electricity
  40. 40.Which of these uses electricity? (a) a cell (b) a washing machine (c) a wind turbine (d) a generator

Answer key

  1. electrons
  2. light
  3. movement energy
  4. a night lamp
  5. True
  6. True
  7. movement
  8. heat
  9. movement
  10. a traffic signal
  11. a refrigerator
  12. a water heater
  13. a power station
  14. a water pump
  15. a torch
  16. True
  17. light
  18. False
  19. a street light
  20. an electric toy car
  21. a siren
  22. a solar panel
  23. light
  24. an electric iron
  25. a rice cooker
  26. light
  27. sound
  28. a traffic signal
  29. uses electricity
  30. movement energy
  31. a night lamp
  32. gives electricity
  33. sound
  34. sound
  35. True
  36. a loudspeaker
  37. a mixer grinder
  38. True
  39. uses electricity
  40. a washing machine

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