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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 285 · 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 is the odd one out? (a) a room heater (b) a table fan (c) a mixer grinder (d) an electric toy car
  2. 2.🔍 Which is the odd one out? (a) a table fan (b) a mixer grinder (c) an exhaust fan (d) a buzzer
  3. 3.⚡ What does a traffic signal mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  4. 4.🔍 Which is the odd one out? (a) an LED lamp (b) a school bell (c) a buzzer (d) a siren
  5. 5.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  6. 6.⚡ What does a toaster mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  7. 7.⚡ What does an electric iron mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  8. 8.⚡ What does a buzzer mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  9. 9.⚡ What does an exhaust fan mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  10. 10.🔍 Which is the odd one out? (a) a tube light (b) a water heater (c) a room heater (d) an electric kettle
  11. 11.⚡ What does a siren mainly change electricity into? (a) heat (b) light (c) sound (d) movement
  12. 12.⚡ A cell changes stored chemical energy into which kind of energy? (a) electrical energy (b) nuclear energy (c) wind energy (d) sound energy
  13. 13.Which of these mainly gives out light? (a) an electric drill (b) an LED lamp (c) a table fan (d) a buzzer
  14. 14.Which of these uses electricity? (a) a cell (b) a solar panel (c) a bicycle dynamo (d) a washing machine
  15. 15.Which of these mainly makes movement? (a) a toaster (b) a rice cooker (c) a room heater (d) a mixer grinder
  16. 16.Which of these mainly gives out heat? (a) an LED lamp (b) a doorbell (c) an electric kettle (d) a siren
  17. 17.True or false: an electric kettle mainly gives out heat. (a) False (b) True
  18. 18.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  19. 19.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  20. 20.🔍 Which is the odd one out? (a) a buzzer (b) a siren (c) a rice cooker (d) a loudspeaker
  21. 21.Which of these uses electricity? (a) a power station (b) a cell (c) a battery (d) a television
  22. 22.⚡ What does an LED lamp mainly change electricity into? (a) light (b) movement (c) heat (d) sound
  23. 23.Which of these uses electricity? (a) a battery (b) a cell (c) a bicycle dynamo (d) a water pump
  24. 24.Which of these mainly makes movement? (a) a buzzer (b) a traffic signal (c) an exhaust fan (d) a toaster
  25. 25.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  26. 26.🔍 Which is the odd one out? (a) a water heater (b) a ceiling fan (c) an electric drill (d) a mixer grinder
  27. 27.⚡ A solar panel changes which kind of energy into electricity? (a) sound energy (b) light energy (c) wind energy (d) chemical energy
  28. 28.🔍 Which is the odd one out? (a) a room heater (b) a rice cooker (c) a water heater (d) an exhaust fan
  29. 29.🔋 Does a computer give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.🔍 Which is the odd one out? (a) an electric kettle (b) an electric drill (c) an electric toy car (d) a table fan
  31. 31.⚡ What does an electric kettle mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  32. 32.🔋 Does a refrigerator give electricity or use electricity? (a) gives electricity (b) uses electricity
  33. 33.⚡ A fan changes electrical energy mainly into which kind of energy? (a) movement energy (b) light energy (c) sound energy (d) chemical energy
  34. 34.🔋 Does a battery give electricity or use electricity? (a) gives electricity (b) uses electricity
  35. 35.Which of these gives us electricity? (a) a mobile phone (b) a washing machine (c) a battery (d) a water pump
  36. 36.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) sound (c) movement (d) heat
  37. 37.⚡ What do we call a flow of electric charge through a wire? (a) friction (b) sound (c) electric current (d) a magnet
  38. 38.Which of these mainly makes movement? (a) a doorbell (b) an LED lamp (c) an electric drill (d) a torch
  39. 39.⚡ What does a rice cooker mainly change electricity into? (a) movement (b) sound (c) light (d) heat
  40. 40.Which of these mainly gives out light? (a) a traffic signal (b) a toaster (c) a school bell (d) a room heater

Answer key

  1. a room heater
  2. a buzzer
  3. light
  4. an LED lamp
  5. uses electricity
  6. heat
  7. heat
  8. sound
  9. movement
  10. a tube light
  11. sound
  12. electrical energy
  13. an LED lamp
  14. a washing machine
  15. a mixer grinder
  16. an electric kettle
  17. True
  18. gives electricity
  19. uses electricity
  20. a rice cooker
  21. a television
  22. light
  23. a water pump
  24. an exhaust fan
  25. uses electricity
  26. a water heater
  27. light energy
  28. an exhaust fan
  29. uses electricity
  30. an electric kettle
  31. heat
  32. uses electricity
  33. movement energy
  34. gives electricity
  35. a battery
  36. movement
  37. electric current
  38. an electric drill
  39. heat
  40. a traffic signal

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