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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 722 · 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.🔋 Does a solar panel give electricity or use electricity? (a) gives electricity (b) uses electricity
  2. 2.⚡ What do we call a flow of electric charge through a wire? (a) electric current (b) friction (c) sound (d) a magnet
  3. 3.⚡ Which tiny particles drift along a metal wire to carry the current? (a) dust particles (b) photons (c) electrons (d) water drops
  4. 4.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) movement energy (c) chemical energy (d) sound energy
  5. 5.⚡ A solar panel changes which kind of energy into electricity? (a) light energy (b) sound energy (c) chemical energy (d) wind energy
  6. 6.True or false: an electric drill mainly gives out light. (a) True (b) False
  7. 7.True or false: a torch mainly makes movement. (a) True (b) False
  8. 8.⚡ What does an electric toy car mainly change electricity into? (a) heat (b) sound (c) light (d) movement
  9. 9.Which of these mainly makes movement? (a) a siren (b) a night lamp (c) a tube light (d) a mixer grinder
  10. 10.🔋 Does a water pump give electricity or use electricity? (a) gives electricity (b) uses electricity
  11. 11.⚡ What does a night lamp mainly change electricity into? (a) heat (b) movement (c) light (d) sound
  12. 12.🔍 Which is the odd one out? (a) a ceiling fan (b) an electric toy car (c) a mixer grinder (d) a tube light
  13. 13.Which of these mainly gives out heat? (a) a toaster (b) a night lamp (c) a ceiling fan (d) a school bell
  14. 14.Which of these gives us electricity? (a) a television (b) a mobile phone (c) a generator (d) a computer
  15. 15.True or false: a mixer grinder mainly gives out heat. (a) False (b) True
  16. 16.Which of these uses electricity? (a) a washing machine (b) a generator (c) a cell (d) a power station
  17. 17.True or false: a night lamp mainly makes sound. (a) False (b) True
  18. 18.True or false: a water heater mainly gives out heat. (a) True (b) False
  19. 19.True or false: an LED lamp mainly gives out light. (a) True (b) False
  20. 20.🔍 Which is the odd one out? (a) an electric kettle (b) an exhaust fan (c) a table fan (d) a mixer grinder
  21. 21.Which of these uses electricity? (a) a cell (b) a power station (c) a generator (d) a mobile phone
  22. 22.🔍 Which is the odd one out? (a) a water heater (b) an electric kettle (c) a rice cooker (d) a mixer grinder
  23. 23.Which of these mainly makes movement? (a) a loudspeaker (b) a table fan (c) a torch (d) a siren
  24. 24.Which of these mainly gives out light? (a) an electric iron (b) a water heater (c) a torch (d) a school bell
  25. 25.Which of these mainly gives out light? (a) a loudspeaker (b) an electric drill (c) a room heater (d) a night lamp
  26. 26.🔍 Which is the odd one out? (a) an exhaust fan (b) a table fan (c) an electric drill (d) a school bell
  27. 27.⚡ A cell changes stored chemical energy into which kind of energy? (a) nuclear energy (b) sound energy (c) electrical energy (d) wind energy
  28. 28.🔋 Does a television give electricity or use electricity? (a) gives electricity (b) uses electricity
  29. 29.True or false: an electric kettle mainly makes sound. (a) True (b) False
  30. 30.True or false: a mixer grinder mainly makes movement. (a) False (b) True
  31. 31.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  32. 32.Which of these uses electricity? (a) a wind turbine (b) a bicycle dynamo (c) a refrigerator (d) a cell
  33. 33.Which of these gives us electricity? (a) a washing machine (b) a power station (c) a mobile phone (d) a computer
  34. 34.Which of these gives us electricity? (a) a mobile phone (b) an air conditioner (c) a refrigerator (d) a solar panel
  35. 35.🔍 Which is the odd one out? (a) an electric kettle (b) a toaster (c) a water heater (d) a buzzer
  36. 36.🔍 Which is the odd one out? (a) a room heater (b) an electric kettle (c) a torch (d) a water heater
  37. 37.⚡ What does a mixer grinder mainly change electricity into? (a) light (b) heat (c) sound (d) movement
  38. 38.True or false: a table fan mainly makes sound. (a) False (b) True
  39. 39.Which of these mainly gives out light? (a) a doorbell (b) a siren (c) a mixer grinder (d) an LED lamp
  40. 40.Which of these uses electricity? (a) a battery (b) a generator (c) a water pump (d) a power station

Answer key

  1. gives electricity
  2. electric current
  3. electrons
  4. movement energy
  5. light energy
  6. False
  7. False
  8. movement
  9. a mixer grinder
  10. uses electricity
  11. light
  12. a tube light
  13. a toaster
  14. a generator
  15. False
  16. a washing machine
  17. False
  18. True
  19. True
  20. an electric kettle
  21. a mobile phone
  22. a mixer grinder
  23. a table fan
  24. a torch
  25. a night lamp
  26. a school bell
  27. electrical energy
  28. uses electricity
  29. False
  30. True
  31. gives electricity
  32. a refrigerator
  33. a power station
  34. a solar panel
  35. a buzzer
  36. a torch
  37. movement
  38. False
  39. an LED lamp
  40. a water pump

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