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Electronics Worksheet: Electricity and Energy

Electronics lesson 1: Electricity and energy · Set 666 · 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.⚡ A solar panel changes which kind of energy into electricity? (a) chemical energy (b) light energy (c) sound energy (d) wind energy
  2. 2.Which of these mainly gives out heat? (a) a table fan (b) a water heater (c) a traffic signal (d) a mixer grinder
  3. 3.⚡ What does a traffic signal mainly change electricity into? (a) light (b) movement (c) sound (d) heat
  4. 4.Which of these gives us electricity? (a) a wind turbine (b) a refrigerator (c) a washing machine (d) a mobile phone
  5. 5.True or false: a ceiling fan mainly gives out heat. (a) True (b) False
  6. 6.Which of these uses electricity? (a) a solar panel (b) a power station (c) an air conditioner (d) a cell
  7. 7.🔍 Which is the odd one out? (a) a rice cooker (b) a room heater (c) a toaster (d) a doorbell
  8. 8.⚡ What does a siren mainly change electricity into? (a) movement (b) heat (c) sound (d) light
  9. 9.🔋 Does a mobile phone give electricity or use electricity? (a) uses electricity (b) gives electricity
  10. 10.🔋 Does a solar panel give electricity or use electricity? (a) uses electricity (b) gives electricity
  11. 11.Which of these mainly gives out heat? (a) a toaster (b) a school bell (c) a night lamp (d) a street light
  12. 12.True or false: a room heater mainly gives out heat. (a) False (b) True
  13. 13.Which of these uses electricity? (a) a battery (b) a water pump (c) a wind turbine (d) a solar panel
  14. 14.Which of these gives us electricity? (a) a solar panel (b) a water pump (c) a mobile phone (d) a television
  15. 15.🔋 Does a washing machine give electricity or use electricity? (a) uses electricity (b) gives electricity
  16. 16.Which of these gives us electricity? (a) a refrigerator (b) a television (c) a computer (d) a battery
  17. 17.⚡ Which tiny particles drift along a metal wire to carry the current? (a) electrons (b) water drops (c) photons (d) dust particles
  18. 18.Which of these mainly makes movement? (a) a loudspeaker (b) a tube light (c) an exhaust fan (d) a water heater
  19. 19.⚡ A cell changes stored chemical energy into which kind of energy? (a) sound energy (b) nuclear energy (c) electrical energy (d) wind energy
  20. 20.Which of these gives us electricity? (a) a generator (b) a water pump (c) a refrigerator (d) a computer
  21. 21.Which of these mainly gives out light? (a) a water heater (b) a doorbell (c) an LED lamp (d) a table fan
  22. 22.⚡ What does a mixer grinder mainly change electricity into? (a) sound (b) heat (c) light (d) movement
  23. 23.🔋 Does a cell give electricity or use electricity? (a) gives electricity (b) uses electricity
  24. 24.Which of these gives us electricity? (a) a cell (b) a washing machine (c) a mobile phone (d) an air conditioner
  25. 25.⚡ What does a doorbell mainly change electricity into? (a) heat (b) light (c) movement (d) sound
  26. 26.⚡ What does a torch mainly change electricity into? (a) sound (b) movement (c) light (d) heat
  27. 27.True or false: a traffic signal mainly gives out light. (a) False (b) True
  28. 28.Which of these mainly gives out light? (a) an electric kettle (b) a torch (c) a toaster (d) a rice cooker
  29. 29.🔋 Does a bicycle dynamo give electricity or use electricity? (a) gives electricity (b) uses electricity
  30. 30.⚡ What does a table fan mainly change electricity into? (a) sound (b) light (c) heat (d) movement
  31. 31.🔍 Which is the odd one out? (a) a room heater (b) a street light (c) an electric kettle (d) an electric iron
  32. 32.⚡ What do we call a flow of electric charge through a wire? (a) sound (b) friction (c) a magnet (d) electric current
  33. 33.True or false: an electric drill mainly makes movement. (a) True (b) False
  34. 34.True or false: an exhaust fan mainly gives out light. (a) True (b) False
  35. 35.⚡ What does an electric kettle mainly change electricity into? (a) sound (b) heat (c) movement (d) light
  36. 36.True or false: a street light mainly gives out light. (a) False (b) True
  37. 37.True or false: a doorbell mainly makes movement. (a) True (b) False
  38. 38.True or false: a street light mainly gives out heat. (a) False (b) True
  39. 39.⚡ A bicycle dynamo changes which kind of energy into electricity? (a) light energy (b) sound energy (c) movement energy (d) chemical energy
  40. 40.⚡ What does a water heater mainly change electricity into? (a) light (b) sound (c) heat (d) movement

Answer key

  1. light energy
  2. a water heater
  3. light
  4. a wind turbine
  5. False
  6. an air conditioner
  7. a doorbell
  8. sound
  9. uses electricity
  10. gives electricity
  11. a toaster
  12. True
  13. a water pump
  14. a solar panel
  15. uses electricity
  16. a battery
  17. electrons
  18. an exhaust fan
  19. electrical energy
  20. a generator
  21. an LED lamp
  22. movement
  23. gives electricity
  24. a cell
  25. sound
  26. light
  27. True
  28. a torch
  29. gives electricity
  30. movement
  31. a street light
  32. electric current
  33. True
  34. False
  35. heat
  36. True
  37. False
  38. False
  39. movement energy
  40. heat

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