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Electronics Worksheet: Electricity and Energy

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

Answer key

  1. heat
  2. movement
  3. an LED lamp
  4. light energy
  5. an electric kettle
  6. gives electricity
  7. a table fan
  8. a traffic signal
  9. a night lamp
  10. a refrigerator
  11. True
  12. True
  13. a mobile phone
  14. uses electricity
  15. True
  16. a mixer grinder
  17. electrical energy
  18. a computer
  19. sound
  20. gives electricity
  21. movement
  22. False
  23. electrons
  24. a traffic signal
  25. uses electricity
  26. False
  27. False
  28. False
  29. a tube light
  30. False
  31. a room heater
  32. a bicycle dynamo
  33. light
  34. gives electricity
  35. heat
  36. light
  37. gives electricity
  38. a tube light
  39. uses electricity
  40. a water pump

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